Power factor correction and harmonic filtering. Automatic power factor regulators

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1 Power factor correction and harmonic filtering Automatic power factor regulators

2 Automatic power factor reguladors R.1 - Automatic power factor regulators Selection table R1-4 computer Plus-T Intelligent regulator R1-5 computer MAX Automatic power factor regulator R1-7 computer Smart Automatic power factor regulator R1-9 computer Plus-TF Fast power factor regulator (static capacitor banks) R1-13 computer MAX-f Fast power factor regulator (static capacitor banks) R1-15 computer Smart fast Fast power factor regulator (static capacitor banks) R1-17 DIR 1-step power factor relay. DIN rail R1-19 R1-2

3 Automatic power factor regulators The use of automatic power factor regulators is required for power factor compensation purposes in installations with variable loads. CIRCUTOR's computer regulators can be used to monitor existing load curves accurately, whereby the cos φ is guaranteed to reach the programmed values. The whole range of computer regulators is based on CIRCUTOR's FCP system (Fast Computerized Program), offering a set of unique performance features: Minimisation of the number of switching operations, increasing the working life of the components in the capacitor bank. Increase in the unit's response time, thus achieving greater energy savings. Anti-oscillation system, preventing unwanted capacitor connections and disconnections. Optimum regulation, thanks to the accurate information about the status of network parameters and the anti-oscillation system, guaranteeing that the installation load curve can be monitored accurately and the objective cos φ can be attained. Measurement and compensation CIRCUTOR's vast range of regulators has been designed to cover the compensation requirements in each different type of installation. In order to compensate installations with quick load variations, CIRCU- TOR's fast series computers must be used, since they are capable of compensating the reactive consumption in milliseconds (ms). In unbalanced systems, if you wish to install a conventional regulator that will measure a single phase, you run the risk of insufficient or excessive compensations. CIRCUTOR has designed the computer plus series to compensate unbalanced installations. Computer plus is available in the plus-t version (contactor switching) and Plus- TF version (thyristor switching), which are capable of compensating the total reactive consumption in real time and phase-by-phase. Computer Plus is an innovative product that offers a wide range of new characteristics, three-phase measurements, phase-by-phase compensation, built-in power analyzer, test function, protection against harmonics, leakage, control, communications, etc. This catalogue includes additional information about our new product. The following example shows how the unbalance between phases can be calculated in a percentage and how to determine the need to perform a compensation process with a three-phase measurement using the Plus system. R.1 Installation examples: Power Factor L1: 80 kvar Power Factor L2: 90 kvar Power Factor L3: 110 kvar Mean value: L1+L2+L3 / 3 = kvar % unbalance L1= (L1-mean value / mean value) x100= % % unbalance L2= (L2-mean value / mean value) x100= 3.33 % % unbalance L3= (L3-mean value / mean value) x100= % The threshold will be used to choose whether our capacitor bank will have a three or single-phase measurement, within a 12% unbalance in one of the phases. The previous example shows that L1 and L3 are above 12% of the unbalance, so the use of computer Plus is required. R1-3

4 Product selection table Equipment Types of loads Types of installation Minimum response time Page computer plus-t slow unbalanced (Three-phase measurement regulator) 4 s 5 computer MAX slow balanced (Single-phase measurement regulator) 4 s 7 Computer Smart slow balanced (Single-phase measurement regulator) 4 s 9 computer plus-tf fast unbalanced (Three-phase measurement regulator) 40 ms 11 computer MAX-f fast balanced (Single-phase measurement regulator) 40 ms 13 Computer Smart-f fast balanced (Single-phase measurement regulator) 40 ms 15 DIR slow control of a single step 1 s 17 R1-4

5 computer Plus-T Intelligent regulator Description Intelligent state-of-the-art regulators, capable of measuring the Three-phase networks and compensating the total reactive consumption accurately. The Plus-T power factor regulators have been designed with CIRCUTOR's measurement system technology, effectively creating a compensation + measurement unit. As a power analyzer, it displays any electrical parameter of the network in real time and records it in its internal memory, with maximum and minimum values, date and hour. The user can benefit from the following advantages as a result of the many new features: The measurement of the three phases guarantees the real compensation of the installation. Protection against harmonics, with an anti-resonance system. Easy installation, fully self-programmable, operation start-up by pressing just one key New regulation program that enables the use of any type of sequence Greater continuity of the service, control and display of leakages, with step-by-step earth leakage protection Internal temperature sensor, for the protection against excessive temperatures, with alarm and/or disconnection system Test function to check the whole unit by pressing just one key The communications system can be used by the user to display the distance of unit parameters and the network for the preventive supervision and maintenance tasks. Application Computer Plus-T regulators are ideal to compensate modern installations that often have unbalanced loads. Its three-phase measurement system and power analyzer function, safety, monitoring and control system make it the ideal candidate to compensate installations where the precision and continuity of the service are fundamental factors. Features Features Type of measurement Three-phase Measurement: cos φ, PF, U, I, I n, THD(I), THD(U), kv A, Power analyzer kw, kvarc, kvarl, kw h, kvar h, Hz, temperature. Max and min records, with date and hour of the electrical parameters. Alarms Temperature, voltage, current, THD(I), THD(U), kvar, cos φ, capacity loss. Test function Loss of capacity, resonance, cos φ Anti-resonance system Built-in Plug and play function (self-programmable) Built-in Step-by-step earth leakage protection CDI Version RS-485 Communications (modbus protocol) CDI Version Measurement of current in capacitors CDI Version Measurement of temperature Built-in circuit Voltage V ac Consumption 6 VA Frequency Hz Measurement circuit Nominal voltage V ph-n, V ph-ph Frequency Hz Nominal current 1 to 5 A max. Overload (permanent) 15 % Voltage class 0,5 Current class 0,5 Power class 0,5 Relays Maximum switching voltage 250 V ac Maximum switching current 3 A Ambient conditions Operating temperature ºC Build features Type of box V0 self-extinguishing plastic Fitted unit, protection degree (frontal) IP 51 Fitted unit, protection degree (rear) IP x 144 x 90 mm Safety CAT III R1-5

6 computer Plus-T Intelligent regulator References No. of steps Three-phase measurement Alarms Communications, Earth Leakage, I capacitors Type Code 8 Yes Yes No computer Plus-T8 R Yes Yes No computer Plus-T14 R Yes Yes Yes computer Plus-T8 CDI R Yes Yes Yes computer Plus-T14 CDI R12212 Connections Current measurement in the capacitor bank Communications Secondary Current transformers inputs S1 S2 S1 S2 S1 S2 Earth leakage Relés COM C1 C2 C3 C4 C5 C6 C7 C8 C9 C1 0 C 11 C1 2 C 13 C1 4 VL1 VL2 VL3 N S 1 S 2 S 1 S 2 S 1 S 2 Alarm L1 L2 L3 N R1-6

7 computer MAX Automatic power factor regulator Description Features The state-of-the-art regulators of the MAX Series have been designed to offer simple and efficient regulation features. The whole range of computer regulators is based on CIRCUTOR's FCP system (Fast Computerized Program), offering a set of unique performance features. Its main features are as follows: Shows by display: cos φ, voltage, current, THD(I) and, besides, records in memory maximum values for voltage and current provides the phase selection function, that allows the user choosing the power line phase where the measuring current transformer (C.T.) has been placed in allows viewing in display the variation of cos φ, line current and THD(I), when manually connecting or disconnecting capacitor steps. Indication by display or through relay output of following alarm conditions: Compensation failure, Over-compensation, Over-voltage, Over-current, C.T. not connected or open, Line current below measurable value. Application The computer MAX regulator is ideal to compensate unbalanced installations where the ease or programming, robustness and accuracy are vital requirements. Its programming system is simple and intuitive, making it very easy for the user to install and maintain it. computer MAX 6 computer MAX 12 Voltage circuit 230, 400, 480 Vac (accor. to type) Tolerance % Consumption 4 VA 64 VA Frequency Hz Measurement circuit measuring voltage 230, 400, 480 Vac (accor. to type) Nominal current (I n ) Current transformer I n / 5 A Output relay 6 12 Maximum voltage 250 Vac Nominal current 4 A Electrical endurance 5 * 10 4 / 5 * 10 6 opetarions Alarm relay Relay Last relay configurable as alarm output Compensation failure, Over-compensation, Overvoltage, Alarms Over-current, C.T. not connected or open, Line current below measurable value Build features Operating temperature ºC Assembly Panel 144 x 144 mm Connection Connection strip Degree of protection IP 52 (front) / IP 31 (rear) Performance Measure electric parameters Voltage, current, THD(I), and maximum values of U and I phase selection function Selection of the power line phase where the C.T. is placed Integrated control system FCP / 4 quadrants Connection programs / / / / Test Function Cos φ Correction Test & Harmonic Resonance Test T r Connection delay s T s Safety delay 5 T r Standards IEC , IEC , IEC , IEC , IEC R1-7

8 computer MAX Automatic power factor regulator References voltage No. of steps Size Type Code 400 V a.c x 144 computer Max 6 R V a.c x 144 computer Max 12 R V a.c x 144 computer Max 6 R V a.c x 144 computer Max 12 R V a.c x 144 computer Max 6 R V a.c x 144 computer Max 12 R V a.c x 144 computer Max 6 R V a.c x 144 computer Max 12 R Connections computer 6m computer 12m R1-8

9 computer Smart Automatic power factor regulator Description Features Computer Smart is a leading edge power factor regulator, providing in a single device the functions of power factor correction, power analyzer and leakage current protection. The regulator is equipped with the latest world technology, which allows CIRCUTOR offering to the market a simple regulator, but capable of performing many advanced functions as: Capacitors status monitoring, earth leakage current monitoring, capacitors failure prevention, overheating detection, etc.. All these functions contribute to a longer life and a better power quality, and avoid intempestive supply interruptions. Because all the above features, the Smart becomes one of the PF regulators with the best performance, while still offering users an easy use and intuitive programming. Aplication Computer Smart offers a complete system for facilities that requires PF correction, security, measure, communications and monitoring. Its simple and intuitive programming system enable de user the installation and maintenance. Supply circuit voltage 480, 400, 230, 110 V a.c. depending on model Tolerance +15 % -10 % 8,2 VA (0 relays connected) Consumptions 9,3 VA (6 relays connected) 11 VA (12 relay connected) Frequency Hz Measurement circuit Voltage measurement range 480, 400, 230, 110 V a.c. depending on model Current measurement (I n ) By means of a current transformer I n /5 Leakage current Leakage current range I Δprim : 10 ma... 1 A a.c. Transformers type WGC (*) Full scale at secondary side I Δsec = 20 ma Measuring circuits accuracy 1 % cos φ : 2 % ± 1 digit Temperature measurement ºC ± 3 ºC Output Contact type Change over contact Poder de corte V max 250 V a.c., 4 A a.c., AC1 Alarms No. Alarm 14, totally configurables Communications Hardware RS-485 Protocol Modbus Baud rate 9600, 19200, Bd, configurable Operating conditions Temperature ºC Relative humidity Max. 95% Maximum altitude 2000 m Control system FCP (a programme that minimises the number of operations) Safety Insulation Category III Class II EN Degree of protection IP 40 / IP 30 EN Standards IEC ( ) Ed. 1.0, IEC , EN , UL 508 (* optional) R1-9

10 computer Smart Automatic power factor regulator References voltage No. of steps Alarm Size Type Code 400 V a.c. 6 Yes 144 x 144 computer Smart 6 R V a.c. 12 Yes 144 x 144 computer Smart 12 R V a.c. 6 Yes 144 x 144 computer Smart 6 R V a.c. 12 Yes 144 x 144 computer Smart 12 R V a.c. 6 Yes 144 x 144 computer Smart 6 R V a.c. 12 Yes 144 x 144 computer Smart 12 R V a.c. 6 Yes 144 x 144 computer Smart 6 R V a.c. 12 Yes 144 x 144 computer Smart 12 R Connections computer Smart 6 computer Smart 12 R1-10

11 computer 9G-3TR Multi-tariff automatic regulator Description The multi-tariff series regulators have been designed to control the reactive consumption in electrical systems with 3 objectives cosφ. To do so, the regulator measures and regulates the cos φ independently in each hourly slot. This regulator is applicable to the energy generation stations under the special regime, in accordance with Royal Decree RD661/2007, such as, for example, wind farms, photovoltaic power plants and hydraulic power plants. Main Features Adjustment of the 3 objectives cos φ. It is programmed by default in compliance with RD 661/2007. T Inductive T2 1 T Capacitive The change of adjustment of cos φ is carried out with two voltage-free contacts of the billing meter. We recommend the use of CIRWATT Regulation in 4 quadrants Selection of the type of connection (location of the current transformer) Measurement of the power consumed and generated Visualization of the alarm on the display 9 steps available Application The configuration of 3 different objectives cos φ means that the computer 9G-3TR can be used to compensate installations under a special regime, which require different cos φ, in accordance with the hourly slot Where is a 9G-3TR unit needed? In installations that need to work with more than 1 cos φ or in the case of generation or cogeneration situations under the "special regime", such as: Features Voltage circuit 400 Vac Tolerance ±15 % Consumption with all relays connected 4 VA Frequency Hz Current circuit Consumption 0.5 VA Nominal current (I n ) 5 A Output relay Maximum voltage 250 Vac Nominal current 4 A Electrical working life (No. switching operations at full load) Build features Operating temperature ºC Assembly Panel Connection Connection strip Degree of protection IP 52 (front) / IP 31 (rear) Performance Integrated control system FCP Adjusting the cos φ 0.80 L... 0,95 C Indicating the cos φ Display (3 digits) Connection programs / / / / No. output relays 9 Tr Connection delay s Ts Safety delay 5 T r Standards EN 61010, IEC , EN , EN Wind farms. Photovoltaic power plants (solar farms). Hydraulic power plants Installations that use cogeneration as an electricity production system Generation produced by biomass or any other type of fuel etc. What can we achieve with a 9G-3TR unit? The multi-tariff computer 9G-3TR can be used to attain three different values of cos φ, depending on the need of each hourly slot, as a REACTIVE ENERGY complement, so that we can achieve the BONUSES or PENAL- TIES described on the next page (in accordance with RD661/2007). R1-11

12 computer 9G-3TR Multi-tariff automatic regulator References voltage No. of steps Alarm Size Type Code 400 Vac x 144 computer 9G-3TR R Vac x 144 computer 9G-3TR R11302 Connections Bonuses or Penalties 6A C C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 L1 L2 L3 N ALARMS L1 L2 L3 N k l Type of PF Inductive Capacitive reactive energy complement Active energy / power factor Bonus, in percentage Power factor Peak Flat Valley < 0, < 0.96 and < 0.97 and < 0.98 and < 1 and < 1 and < 0.98 and < 0.97 and < 0.96 and < 0, R1-12

13 computer plus-tf Fast power factor regulator (Static capacitor banks) Description State-of-the-art intelligent regulators that are capable of measuring the three-phase networks and compensating the reactive consumption of each phase in real time. In addition, they correct the total zero reactive energy and balance the active power in each phase. The Plus-TF power factor regulators have been designed with CIRCUTOR's measurement system technology, effectively creating a compensation + measurement unit. As a power quality analyzer, it displays any electrical parameter of the network in real time and records it in its internal memory, with maximum and minimum values, date and hour. The user can benefit from the following advantages as a result of the many new features: The measurement of the three phases guarantees the real compensation of the installation. Phase-by-phase compensation and in real time Protection against harmonics, with antiresonance system Easy to install, fully self-programmable, starts operating by pressing just one key New regulation program that enables the use of any type of sequence Greater continuity of the service, control and display of leakages, with step-bystep earth leakage protection Internal temperature sensor, for the protection against excessive temperatures, with alarm and/or disconnection system Test function to check the whole unit by pressing just one key. The communications system can be used by the user to display the distance of unit parameters and the network for the preventive supervision and maintenance tasks. Application Computer Plus-TF regulators are ideal to compensate modern installations that often have unbalanced loads. Its three-phase measurement system, phase-by-phase compensation and power analyzer functions make it the ideal solution to compensate installations with a variation of quick loads, between 20 ms and 4 seconds, and/or large un- balances between phases, such as welding units, cranes, lifts and lifting units, smelters, hospitals, automotive industry or any other sector or unit that requires an efficient compensation of the power factor. Some of the advantages of this compensation system are as follows: Elimination of transients produced by the capacitor's connection. The lack of transients in the connection allows us to eliminate gaps, flicker and any other alteration generated by the connection's transient Limited switching operations, guaranteeing a longer working life for the unit Immediate response to the compensation request Lower wear of capacitors and switching elements, due to the elimination of transients and the total absence of mobile mechanical parts Eliminates or reduces the effects of voltage drops caused by reactive consumption peaks. Its phase-by-phase compensation functions make computer Plus-TF the most efficient regulator in the market. R1-13

14 computer plus-tf Fast power factor regulator (Static capacitor banks) Features Features Type of measurement Type of compensation Minimum response time Power analyzer Alarms Three-phase Phase-by-phase 2 cycles (40 ms) Measurement: cos φ, PF, U, I, I n, THD(I), THD(U), kv A, kw, kvarc, kvarl, kw h, kvar h, Hz, temperature. max. and min. records, with date and hour of the electrical parameters. Temperature, voltage, current, THD(I), THD(U), kvar, cos φ, loss of capacity. Test function Loss of capacity, resonance, cos φ. Anti-resonance system Plug and play function (self-programmable) Step-by-step earth leakage protection RS-485 Communications (modbus protocol) Measurement of current in capacitors Measurement of temperature Built-in Built-in CDI Version Built-in CDI Version Built-in circuit Voltage Vac Consumption 6 VA Frequency Hz Measurement circuit Nominal voltage V ph-n, V ph-ph Frequency Hz Nominal current 1 to 5 A max. Overload (permanent) 15 % Voltage class 0,5 Current class 0,5 Power class 0,5 Ambient conditions Operating temperature ºC Build features Type of box V0 self-extinguishing plastic Fitted unit, protection degree (frontal) IP 51 Fitted unit, protection degree (rear) IP x 144 x 90 mm Safety CAT III 144 Connections L1 L2 L3 N COM Communications 144 Current measurement in the capacitor bank Secondary Current transformers inputs S1 S2 S1 S2 S1 S2 Earth leakage Relés C7 C8 C9 C1 0 C11 C1 2 C13 C1 C2 C3 C4 C5 C6 C1 4 VL1 VL2 VL3 N S 1 S 2 S 1 S 2 S 1 S 2 Alarm References No. of steps Three-phase measurement Alarms Communications Earth Leakage, I capacitors Type Code 16 Yes Yes No No computer Plus TF R Yes Yes Yes Yes computer Plus TF CDI R12611 R1-14

15 computer MAX-f Fast power factor regulator (Static capacitor banks) Description The computer MAX-f series of regulators is within the fast regulator range, with a response time of 40 ms, adapted to real time compensation requirements. Main Features: Shows by display: cos φ, voltage, current, THD(I) and, besides, records in memory maximum values for voltage and current. Provides the phase selection function, that allows the user choosing the power line phase where the measuring current transformer (C.T.) has been placed in allows viewing in display the variation of cos φ, line current and THD(I), when manually connecting or disconnecting capacitor steps. Indication by display or through relay output of following alarm conditions: Compensation failure, Over-compensation, Over-voltage, Over-current, C.T. not connected or open, Line current below measurable value. Application The computer MAX-f system has been designed to compensate installations that have a special load typology and require real time compensation, such as welding units, cranes, lifts and lifting equipment, smelters, hospitals, automotive industry or any other sector/unit that requires a real time compensation. Some of the advantages of this compensation system are as follows: Elimination of transients produced by the capacitor's connection. The lack of transients in the connection allows us to eliminate gaps, flicker and any other alteration generated by the connection's transient Limited switching operations, guaranteeing a longer working life for the unit Immediate response to the compensation request Lower wear of capacitors and switching elements, due to the elimination of transients and the total absence of mobile mechanical parts Eliminates or reduces the effects of voltage drops caused by reactive consumption peaks. Features Voltage circuit computer MAX 6 computer MAX , 400, 480 Va.c. (accor. to type) Tolerance % Consumption 4 VA 64 VA Frequency Hz Measurement circuit measuring voltage 230, 400, 480 Va.c. (accor. to type) Nominal current (I n ) Current transformer I n / 5 A Output relay 6 12 Maximum voltage 250 Vac Nominal current 4 A Electrical endurance 5 * 10 4 / 5 * 10 6 opetarions Alarm relay Relay Last relay configurable as alarm output Alarms Compensation failure, over-compensation, over-voltage, over-current, C.T. not connected or open and line current below measurable value Build features Operating temperature ºC Assembly Panel 144 x 144 mm Connection Connection strip Degree of protection IP 52 (front) / IP 31 (rear) Performance Measure electric parameters Voltage, current, THD(I), and maximum values of U and I phase selection function Selection of the power line phase where the C.T. is placed Integrated control system FCP / 4 quadrants Connection programs / / / / Test Function Cos φ Correction Test & Harmonic Resonance Test T r Connection delay 40 ms... 2 s T s Safety delay 40 ms... 2 s Standards IEC , IEC , IEC , IEC , IEC R1-15

16 Computer MAX-f Fast power factor regulator (Static capacitor banks) References voltage No. of steps Alarm Size Type Code 400 V a.c x 144 computer MAX 6f R V a.c x 144 computer MAX 12f R10862 Connections R1-16

17 computer Smart fast Automatic power factor regulator (Static capacitor banks) Description Computer smart fast is a leading edge power factor regulator, providing in a single device the functions of power factor correction, power analyzer and leakage current protection. The regulator is equipped with the latest world technology, which allows CIRCUTOR offering to the market a simple regulator, but capable of performing many advanced functions as: Capacitors status monitoring, earth leakage current monitoring, capacitors failure prevention, overheating detection, etc.. All these functions contribute to a longer life and a better power quality, and avoid intempestive supply interruptions. Aplication Computer Smart fast it s the ideal solution to compensate installations with a variation of quick loads, between 40 ms and 4 seconds, and/or large unbalances between phases, such as welding units, cranes, lifts and lifting units, smelters, hospitals, automotive industry or any other sector or unit that requires an efficient compensation of the power factor. Some of the advantages of this compensation system are as follows: Elimination of transients produced by the capacitor s connection. The lack of transients in the connection allows us to eliminate gaps, flicker and any other alteration generated by the connection s transient Limited switching operations, guaranteeing a longer working life for the unit Immediate response to the compensation request Lower wear of capacitors and switching elements, due to the elimination of transients and the total absence of mobile mechanical parts Eliminates or reduces the effects of voltage drops caused by reactive consumption peaks. Its phase-by-phase compensation functions make computer Smart Fast the most efficient regulator in the market. Features Supply circuit voltage 480, 400, 230, 110 V a.c. depending on model Tolerance +15 % -10 % 8,2 VA (0 relays connected) Consumptions 9,3 VA (6 relays connected) 11 VA (12 relay connected) Minimum response time Frequency 2 cycles (40 ms) Hz Measurement circuit Voltage measurement range 480, 400, 230, 110 V a.c. depending on model Current measurement (I n ) By means of a current transformer I n /5 Leakage current Leakage current range I Δprim : 10 ma... 1 A a.c. Transformers type WGC (*) Full scale at secondary side I Δsec = 20 ma Measuring circuits accuracy 1 % cos φ : 2 % ± 1 digit Temperature measurement ºC ± 3 ºC Output Contact type Change over contact Poder de corte V max 250 V a.c., 4 A a.c., AC1 Alarms No. Alarm 14, totally configurables Communications Hardware RS-485 Protocol Modbus Baud rate 9600, 19200, Bd, configurable Operating conditions Temperature ºC Relative humidity Max. 95% Maximum altitude 2000 m Control system FCP (a programme that minimises the number of operations) Safety Insulation Category III Class II EN Degree of protection IP 40 / IP 30 EN Standards IEC ( ) Ed. 1.0, IEC , EN , UL 508 (* optional) R1-17

18 computer Smart fast Automatic power factor regulator References voltage No. of steps Alarm Size Type Code 400 V a.c. 6 Yes 144 x 144 computer Smart fast 6 R V a.c. 12 Yes 144 x 144 computer Smart fast 12 R13942 Connections computer Smart fast 6 computer Smart fast 12 R1-18

19 DIR2 1-step power factor relay. DIN rail Description Features The DIR2 power factor relay is capable of acting on a circuit in accordance with the reactive inductive or capacitive current transmitted through it. The DIR2 relay measures reactive current in A of the secondary of a.../5 current transformer. The front of the relay has a control panel that is used to adjust the reactive current where the relay will act. It has a LED that indicates the status of the relay. Application The DIR2 relay is easy to install and program, making it the best solution in the following applications: Individual compensation of small, medium or large power loads. Partial compensation in installations with automatic equipment available. Partial or total regulator in low-power installations.instantaneous and total disconnection of capacitor banks when there is a high capacitive current in the network. Control of reactive currents - capacitive and inductive - triggering an alarm signal when a high current is detected. Voltage circuit 400 Vac Tolerance ±10 % Consumption with all relays connected 5 VA Frequency 50 Hz Measurement circuit Consumption 0.5 VA Nominal current (I n ) 5 A Outputs No. of outputs 1 Maximum voltage 200 V Maximum current 100 ma Build features Operating temperature ºC Assembly DIN rail Connection Terminals Degree of protection IP 21 R1-19

20 DIR2 1-step power factor relay. DIN rail References voltage No. of steps Alarm Size 400 Va.c x 85 DIR R11211 Type Code Connections L1 L2 L3 N P1 S1 P2 S2 S1 S2 A1 A2 0,15 0, 5 DIR 1 2 1, R1-20

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