Liquid level monitors and controls

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1 Liquid level monitors and controls ontent M-ENE, M-ENE MAX... / 8 M-ENS... / 83 M-ENS UP/DOWN... / 84 M-ENN... / 85 M-ENN UP/DOWN... / 86 Accessories for liquid level relays... / 87 Technical data M-ENE, M-ENE MAX... / 88 M-ENS, M-ENS UP/DOWN... / 89 M-ENN, M-ENN UP/DOWN... / 90 Approvals and marks... / 6 Technical diagrams... /0 Dimensional drawings... /03 Accessories... /04 /8 D

2 M-ENE, M-ENE MAX M-ENE SV F 05 SV F 053 SV F 05 SV F 054 M-ENE MAX SV F 0494 SV F 0495 SV F 0496 SVR F9500 The liquid level relays M-ENE and M-ENE MAX are used to monitor levels of conductive liquids, for example in pump control systems for dry-running or overflow monitoring. The measuring principle is based on the occurring resistance change when moisting single-pole electrodes. The single-pole electrodes (see also section Accessories) are connected to the terminals and or MAX. If the is applied to A-A and the electrodes are wet, the output relay of the M-ENE is energized and the output relay of the M-ENE MAX is de-energized. The output relay of the M-ENE de-energizes if the electrodes are no longer wet. The output relay of the M-ENE MAX energizes if the electrodes are no longer wet. Function diagram M-ENE onnection diagram M-ENE A-A A-A Ground reference electrode Minimum level 3-4 Output contact - open-circuit principle 3-4 SVR F9400 Function diagram M-ENE MAX A-A onnection diagram M-ENE MAX A-A Ground reference electrode MAX Max. level 3-4 Output contact - closed-circuit principle 3-4 R: yellow LED - relay status If a metal tank is used, the ground reference electrode is not required. In this case the cable can be connected directly to the metal surface of the tank. Application examples M-ENE M-ENE MAX M-ENE und M-ENE MAX Monitoring of pump systems for dry running (ENE ) and overflow (ENE MAX) onnection of electrodes possible at and /MAX 3 versions Optimal price/performance ratio n/o contact: Open-circuit principle for M-ENE losed-circuit principle for M-ENE MAX LED for status indication Suitable for Not suitable for spring water acids, bases chemically pure water ethylene glycol drinking water liquid fertilizers fuel concentrated alcohol sea water milk, beer, coffee oils paraffin sewage non-concentrated alcohol explosive areas (liquid gas) lacquers Type M-ENE M-ENE MAX 4 V A 0-30 V A 0-40 V A 4 V A 0-30 V A 0-40 V A Order code SVR R9500 SVR R9500 SVR R9500 SVR R9400 SVR R9400 SVR R9400 Pack. pieces piece piece Accessories... /87 and /04 Technical data.../88 Dimensional drawings... / / / / / / / 0.33 /8 D

3 M-ENS The M-ENS monitors levels of conductive liquids and is used for example for liquid level control in pump systems. It can be used for filling or draining tanks for example. SVR F00 It is also suitable for monitoring the conductivity of liquids. The measuring principle is based on the resistance change sensed by single-pole electrodes. After the is applied to the terminals A and A, the output relay is de-energized. The probes must be connected to, MAX,. The output relay energizes if the liquid exceeds the maximum level ( and MAX wet) and de-energizes if the liquid level is below the minimum level (MAX and dry). Based on the measuring circuit there will be a response delay of approx. 50 ms at maximum sensitivity. Different levels in one tank can be controlled by up to 5 M-ENS without interfering with each other. Function diagram M-ENS M-ENS "Sens." - sensitivity potentiometer for adjusting the response sensitivity R: yellow LED - relay status U: green LED - control Marker label Max. Min. A-A -4 - Application examples SV F 055 When using a metal tank the electrode is not required. In this case the cable can be connected directly to the metal surface of the tank. onnection diagram M-ENS fill SV F 056 drain SV F 057 SV F 058 A-A Ground reference electrode MAX Maximum level Minimum level (5)-(6)/4(8) Output contacts - open-circuit principle ascading The electrode inputs can be interconnected as required, which ensures simple monitoring of different liquid levels. SV F 059 Redundancy Redundant liquid level monitoring or control can be implemented by connecting the electrodes to two s. This makes the application much safer. SV F 060 Monitoring and control of liquid levels (when draining or filling liquids in tanks) Monitoring and control of mixture ratios (conductivity of liquids) Adjustable response sensitivity 5-00 k 4 versions 4-45 V A Version with protective separation acc. to VDE 060 J ascadable c/o contact or n/o and n/c contact LEDs for status indication Suitable for Not suitable for spring water acids, bases chemically pure water ethylene glycol drinking water liquid fertilizers fuel concentrated alcohol sea water milk, beer, coffee oils paraffin sewage non-concentrated alcohol explosive areas (liquid gas) lacquers Type M-ENS 4 V A 0-30 V A 0-40 V A V A Order code SVR R900 SVR R000 SVR R00 SVR R00 Accessories... /87 and /04 Technical data.../89 Technical diagrams... /0 Dimensional drawings.../03 Pack. pieces piece piece 0.5 / / / / 0.33 Version with protective separation acc. to VDE 060, n/o, n/c M-ENS 0-40 V A SVR R / 0.33 /83 D

4 M-ENS UP/DOWN SVR F00 The M-ENS UP/DOWN monitors levels of conductive liquids and other media, and is used e.g. for liquid level control in pump systems. The measuring principle is based on the resistance change sensed by single-pole electrodes. The output relay functions fill (UP) or drain (DOWN) can be selected on a front-face selector switch. If the "UP" function is selected, the output relay is energized until the MAX electrode becomes wet. Then it is de-energized and not re-energized until the electrode becomes dry. If the "DOWN" function is selected, the output relay is energized as soon as the MAX electrode becomes wet. It remains energized until the liquid level has dropped below the electrode. The electrodes can be connected to more than one M-ENS without interference. M-ENS UP/DOWN Function diagram M-ENS UP/DOWN "Func." - function selector switch: "UP"- fill "DOWN" - drain "Sens." - sensitivity potentiometer for adjusting the response sensitivity R: yellow LED - relay status U: green LED - control Marker label Max. Min. A-A -4 "DOWN" - "UP" -4 - Application examples SV F 064 onnection diagram M-ENS UP/DOWN When using a metal tank the electrode is not required. In this case the cable can be connected directly to the metal surface of the tank. Liquid level control - fill - switch position "UP" SV F 06 Liquid level control - drain - switch position "DOWN" SV F 06 A MAX MAX A A 4 4 A D 5 04 F0003 A - A Ground reference electrode MAX Maximum level Minimum level -/4 Output contacts - open-circuit or closed-circuit principle selectable ascading of electrodes The electrode inputs can be interconnected as required, which ensures simple monitoring of different liquid levels. SV F 059 Redundancy Redundant liquid level monitoring or control can be implemented by connecting the electrodes to two s. This makes the application much safer. SV F 060 Suitable for Not suitable for spring water acids, bases chemically pure water ethylene glycol drinking water liquid fertilizers fuel concentrated alcohol sea water milk, beer, coffee oils paraffin sewage non-concentrated alcohol explosive areas (liquid gas) lacquers Monitoring and control of liquid levels Selectable function "fill" or "drain" Adjustable response sensitivity 5-00 k ascadable c/o contact LEDs for status indication /84 D Type M-ENS UP/DOWN 4 V A 0-30 V A 0-40 V A Order code SVR R900 SVR R000 SVR R00 Accessories... /87 and /04 Technical data.../89 Technical diagrams... /0 Dimensional drawings.../03 Pack. pieces piece piece 0.5/ / /0.33

5 M-ENN SVR F0000 The M-ENN monitors levels of conductive liquids and is used for example for liquid level monitoring in pump control systems, for dry-running protection of submersible pumps or overflow monitoring of tanks. It is also suitable for conductivity monitoring of liquids. The measuring principle is based on the resistance change sensed by single-pole electrodes (wet or dry). Instead of electrodes, other sensors or transducers can also be used if their output quantities are different resistance values. The measuring, output and supply circuits are electrically isolated for potential separation and to prevent electrical interference. Due to the integrated ON- or OFF-delay, it is possible to set up time-dependent liquid controls using only two electrodes (, MAX). Different liquid levels in one tank can be controlled by up to 5 M-ENN (A version) without mutual interference. M-ENN Function diagrams M-ENN ircuit with electrodes ircuit with 3 electrodes "Function" - time function selector switch: A ON-delay B OFF-delay "Sens.-sector" - measuring range selector switch "Sens. " - sensitivity potentiometer for adjusting the response sensitivity "Time value" - fine adjustment of time delay R: yellow LED - relay status U: green LED - control Marker label MAX A-A 5/8 5/6 or SV F 065 SV F 067 MAX A-A 5/8 5/6 t A = ON-delay, t R = OFF-delay When using a metal tank the electrode is not required. In this case the cable can be connected directly to the metal surface of the tank. Application examples fill drain SV F 066 or onnection diagram M-ENN SV F 069 SV F 068 For commissioning, set both potentiometers (response sensitivity = R value and ON-delay = time value) to the minimum value (5) and select a suitable resistance range (sector). After all electrodes have been wetted by the liquid being monitored, turn the sensitivity potentiometer towards maximum value (00) until the relay energizes. If the relay does not energize, select a higher value (sector) on the device and proceed as before. Then it has to be checked if the relay de-energizes properly as soon as the electrodes and are no longer wet. Liquid levels higher than the maximum level electrode can be obtained by setting an ON-delay (TA = s). Liquid levels lower than the minimum level electrode can be obtained by setting an OFF-delay time (TR = s), e.g. for emptying tanks. A-A Ground reference electrode Min. level electrode MAX Max. level electrode 5-6/8 Output contacts - 5-6/8 open-circuit principle Monitoring and control of liquid levels (when emptying or filling liquids in tanks) Monitoring and control of mixture ratios (conductivity of liquids) 3 response sensitivities from k in one 5 versions 4 V A/D - 45 V A Selectable ON- or OFFdelay 0.-0 s c/o contacts LEDs for status indication Typ M-ENN Response sensitivity 50-5 k.5-50 k k 4-40 V A/D 4 V A 0-30 V A 0-40 V A V A Max. electrode current 8 ma ma 0.5 ma Order code SVR R0000 SVR R0000 SVR R0000 SVR R0000 SVR R0000 Max. cable capacity 00 nf 0 nf 4 nf Accessories... /87 and /04 Technical data.../90 Technical diagrams... /0 Dimensional drawings.../03 Pack. pieces piece Max. cable length 000 m 00 m 0 m piece 0.30 / / / / / 0.66 /85 D

6 - Liquid level control with two alarm outputs - M-ENN UP/DOWN SVR F000 The M-ENN UP/DOWN monitors levels of conductive liquids and media and is used e.g. for liquid level control in pump systems. The measuring principle is based on the resistance change sensed by singlepole electrodes. The function of the output relay -/4 can be selected by a selector switch on the front of the to fill "UP" or drain "DOWN". If the "UP" function is selected, the output relay is energized until the MAX electrode becomes wet. Then it is de-energized and not re-energized until the electrode becomes dry. If the "DOWN" function is selected, the output relay is energized as soon as the MAX electrode becomes wet. It remains energized until the liquid level has dropped below the electrode. The electrode inputs AL and AL energize/de-energize the correspopnding output relays RAL (-) and RAL (3-3). AL opens if contact RAL (-) is wet. AL closes if contact RAL (3-3) is wet. This way, two additional alarm outputs for exceeding or dropping below the normal level can be implemented in addition to the filling levels MAX and. M-ENN UP/DOWN Function diagram M-ENN UP/DOWN "Func." - function selector switch: "UP"- fill "DOWN" - drain "Sens." - sensitivity potentiometer for adjusting the response sensitivity R AL: yellow LED - relay status AL R AL: yellow LED - relay status AL R: /MAX: yellow LED - relay status /MAX U: green LED - control Marker label AL MAX AL A-A "DOWN" -4 - "UP" -4 - SV F 07 When using a metal tank the electrode is not required. In this case the cable can be connected directly to the metal surface of the tank. Application example Electrode Relay LED AL not wet RAL (-) closed off AL wet RAL (-) open on AL wet RAL (3-3) closed off AL not wet RAL (3-3) open on Supply voltage RAL (-) closed failure RAL (3-3) off Reserve pump for emptying Pump control ("UP" or "DOWN") Reserve pump for filling onnection diagram M-ENN UP/DOWN SV F 07 A-A Ground reference electrode Minimum level electrode MAX Maximum level electrode AL Alarm electrode AL Alarm electrode -/4 Output contacts - - open-circuit or closed-circuit 3-3 principle selectable SV F 070 ascading of electrodes The electrode inputs can be interconnected as required, which ensures simple monitoring of different liquid levels. SV F 059 Redundancy Redundant liquid level monitoring or control can be implemented by connecting the electrodes to two s. This makes the application much safer. SV F 060 Liquid level relay with 5 electrode inputs Level control with integrated overflow and dry-running protection Adjustable response sensitivity 5-00 k ascadable c/o contact and n/c contacts as alarm outputs 4 LEDs for status indication /86 D Suitable for Not suitable for spring water acids, bases chemically pure water ethylene glycol drinking water liquid fertilizers fuel concentrated alcohol sea water milk, beer, coffee oils paraffin sewage non-concentrated alcohol explosive areas (liquid gas) lacquers Type M-ENN UP/DOWN 4 V A 0-30 V A 0-40 V A V A Order code SVR R000 SVR R000 SVR R000 SVR R000 Accessories... /87 and /04 Technical data.../89 Technical diagrams... /0 Dimensional drawings.../03 Pack. pieces piece piece 0.5 / / / / 0.33

7 - Accessories Electrodes, dimensional drawings ompact support M-KH-3 for 3 bar electrodes Ideally suited for use with liquid level relays M-ENS and M-ENN Wire connection by screw terminals Pull relief by M6 screwed cable glands Temperature range up to 90 Food safe material (PPH) Screw-in electrodes (M4 thread) Distance plate (M-AH-3) and locking nut (M-GM-) optionally available as an accessory M6 screwed cable gland ompact support M-KH-3 M4 thread Dimensions in mm SVR F6000 screw-in bar electrodes with M4 thread (available as an option, see below) sealing ring " thread " counter nut M-GM- (order code: SVR R8000) (optional) distance plate M-AH-3 (order code: SVR R7000) (optional) SV F 0477 Distance plate M-AH-3 spanner size 36 counter nut M-GM- distance plate M-AH-3 electrodes ounter nut M-GM- Technical data compact support Type of mounting: G " thread Mounting position: any Enclosure material: PPH Sealing: NBR 70 Temperature range: 90 max. Pressure: 0 bar max. (60 ) SV F 0475 SV F 0476 Type Description Order code Pack. piece piece piece M-KH-3 M-AH-3 M-GM- ompact support for 3 bar electrodes Distance plate for 3 bar electrodes ounter nut for " thread SVR R6000 SVR R7000 SVR R / / / 0.3 Screw-in bar electrodes for compact support M-KH-3 Suspension electrode M-HE L SV F 05 Thread M4 Material: stainless steel 304, high-grade steel 430 SV F0478 Steel electrode (X4rMoS7) with sleeve (Lupulen 60 L) suitable up to 60 max. During project engineering the compatibility of the electrode material with the medium to be supervised is to be examined! Type Length Order code Pack. piece piece piece SV F 0479 M-SE-300 M-SE-600 M-SE mm 600 mm 000 mm SVR R0000 SVR R000 SVR R / / /0.76 M-HE - SVR R /0.76 /87 D

8 M-ENE, M-ENE MAX Technical data Type M-ENE M-ENE MAX Supply circuit U S - A-A 4 V A approx..5 VA power consumption A-A 0-30 V A approx.. VA A-A 0-40 V A approx..4 VA U S tolerance % Rated frequency Hz Duty time 00 % Measuring circuit -, MAX- Monitoring function dry-running protection overflow protection Response sensitivity 0-00 k, not adjustable Maximum electrode voltage 30 V A Maximum electrode current.5 ma Electrode supply line max. cable capacity 3 nf max. cable length 30 m Timing circuit Time delay - Tripping delay fixed approx. 00 ms Indication of operational states Output relay energized R: yellow LED Output circuits 3-4 Kind of output n/o contact Operational principle ) open-circuit principle closed-circuit principle ontact material Agdo Rated operational voltage U e (IE/EN ) 50 V Mininimum switching voltage / minimum switching current - / - Maximum switching voltage 50 V Rated operational current I e A (resistive) 30 V 4 A (IE/EN ) A5 (inductive) 30 V 3 A D (resistive) 4 V 4 A D3 (inductive) 4 V A A rating Utilization category (ontrol ircuit Rating ode) B 300 (UL 508) max. rated operational voltage 300 V A max. continuous thermal current at B A max. making/breaking apparent power at B /360 VA Mechanical lifetime 30 x 0 6 switching cycles Electrical lifetime (A, 30 V, 4 A) 0.3 x 0 6 switching cycles Max. fuse rating to achieve short circuit protection General data Dimensions (W x H x D) Mounting position n/c contact - n/o contact 0 A fast-acting.5 x 78 x 78.5 mm (0.89 x 3.07 x 3.09 in) any Degree of protection enclosure / terminals IP50 / IP0 Ambient temperature range operation / storage / Mounting DIN rail (IE/EN 6075) Electrical connection Wire size fine-strand with wire-end ferrule x mm ( x 8-6 AWG) fine-strand without wire-end ferrule x -.5 mm ( x 8-6 AWG) rigid x mm ( x 8-6 AWG) Stripping length 0 mm (0.39 inch) Tightening torque Nm Standards Product standard IE 55-6, EN Low Voltage Directive 006/95/E EM Directive 004/08/E Electromagnetic compatibility EN , EN electrostatic discharge IE/EN Level 3 (6 kv / 8 kv) radiated, radio-frequency, electromagnetic field IE/EN Level 3 (0 V/m) electrical fast transient / burst IE/EN Level 3 ( kv / 5 khz) surge IE/EN Level 4 ( kv L-L) conducted disturbances, induced by radio-frequency fields IE/EN Level 3 (0 V) Resistance to vibration (IE 68--6) 6 g Mechanical resistance (IE 68--6) 0 g Isolation data Rat. insulation volt. betw. supply, meas. & output circuit (VDE 00, IE 60947) 50 V Rated impulse withstand voltage between all isolated circuits (VDE0 0, IE 664) 4 kv /.-50 μs Test voltage between all isolated circuits.5 kv, 50 Hz, min. Pollution category (VDE 00, IE 664, IE 55-5) 3 / Overvoltage category (VDE 00, IE 664, IE 55-5) III / Environmental testing (IE ) 4 h cycle time, 55, 93 % rel., 96 h ) Open-circuit principle: Output relay energizes if the measured value exceeds/drops below the adjusted threshold. losed-circuit principle: Output relay de-energizes if the measured value exceeds/drops below the adjusted threshold. Approvals... /6 /88 D

9 M-ENS, M-ENS UP/DOWN Technical data Type M-ENS M ENS UP/DOWN Supply circuit U S - power consumption A-A 4 V A 4 V A A-A 0-30 V A approx..5 VA 0-30 V A approx. 4 VA A-A 0-40 V A approx..5 VA 0-40 V A approx. 4 VA A-A V A approx..5 VA U S tolerance % Rated frequency Hz Duty time 00 % Measuring circuit MAX-- Monitoring function liquid level control Response sensitivity 5-00 k, adjustable Maximum electrode voltage 30 V A Maximum electrode current ma Electrode supply line max. cable capacity 0 nf max. cable length 00 m Timing circuit Time delay - Tripping delay approx. 50 ms Indication of operational states ontrol U: green LED Output relay energized R MAX/: yellow LED Alarm relay AL - R AL: yellow LED Alarm relay AL - R AL: yellow LED Output circuits -/4, -, 3-3 Kind of output c/o contact, n/o + n/c contact ) Operational principle ) open-circuit principle open- and closed-circuit principle ontact material Agdo Rated operational voltage U e (IE/EN ) 50 V Minimum switching voltage / minimum switching current - / - Maximum switching voltage 50 V Rated operational current I e A (resistive) 30 V 4 A (IE/EN ) A5 (inductive) 30 V 3 A D (resistive) 4 V 4 A D3 (inductive) 4 V A A rating Utilization category (ontrol ircuit Rating ode) B 300 (UL 508) max. rated operational voltage 300 V A max. continuous thermal current at B A max. making/breaking apparent power at B /360 VA Mechanical lifetime 30 x 0 6 switching cycles Electrical lifetime (A, 30 V, 4 A) 0.3 x 0 6 switching cycles Max. fuse rating to achieve short circuit protection n/c / n/o contact 0 A (4 A ) ) fast-act. / 0 A (6 A ) ) fast-act. 0 A fast-acting / 0 A fast-acting General data Dimensions (W X H X D).5 x 70 x 00 mm (0.89 x 3.07 x 3.94 in) Mounting position any Degree of protection enclosure / terminals IP50 / IP0 Ambient temperature range operation / storage / Mounting DIN rail (IE/EN 6075) Electrical connection Wire size fine-strand with wire end ferrule x.5 mm ( x 4 AWG) Standards Product standard IE 55-6, EN Low Voltage Directive 006/95/EG EM Directive 004/08/EG Electromagnetic compatibility - electrostatic discharge IE/EN Level 3 (6 kv / 8kV) radiated, radio-frequency, electromagnetic field IE/EN Level 3 (0 V/m) electrical fast transient / burst IE/EN Level 3 ( kv / 5 khz) surge IE/EN Level 4 ( kv L-L) conducted disturbances, induced by radio-frequency fields IE/EN Level 3 (0 V) Resistance to vibration (IE 68--6) 4 g Mechanical resistance (IE 68--6) 6 g Isolation data Rated insulation voltage between supply, measuring and output circuit (VDE 00, IE 60947) 50 V Rated impulse withstand voltage between all isolated circuits (VDE0 0, IE 664) 4 kv / μs Test voltage between all isolated circuits,5 kv, 50 Hz, min. Pollution category (VDE 00, IE 664, IE 55-5) 3 / Overvoltage category (VDE 00, IE 664, IE 55-5) III / Environmental testing (IE ) 4 h cycle time, 55, 93 % rel., 96 h ) Open-circuit principle: Output relay energizes if the measured value exceeds/drops below the adjusted threshold. losed-circuit principle: Output relay de-energizes if the measured value exceeds/drops below the adjusted threshold. ) SVR R300 (version with safe isolation) Approvals... /6 /89 D

10 M-ENN UP/DOWN, M-ENN Technical data Type M-ENN UP/DOWN M-ENN Supply circuit U S - power consumption A-A 4 V A 4 V A A-A 0-30 V A approx..5 VA 0-30 V A approx..5 VA A-A 0-40 V A approx..5 VA 0-40 V A approx. 3 VA A-A V A approx..5 VA V Aapprox. 4 VA A-A 4-40 V A/D approx. VA/W U S tolerance % Rated frequency Hz Hz oder D Duty time 00 % Measuring circuit MAX-- Monitoring function liquid level control Response sensitivity adjustable adjustable 5-00 k 50-5 k.5-50 k k Maximum electrode voltage 30 V A 0 V A Maximum electrode current ma 8 ma ma 0.5 ma Electrode supply line max. cable capacity 0 nf 00 nf 0 nf 4 nf max. cable length 00 m 000 m 00 m 0 m Timing circuit Time delay s, adjustable, ON- or OFF-delay Tripping delay approx. 50 ms - Indication of operational states ontrol U: green LED Output relay energized R MAX/: yellow LED R: yellow LED Output circuits -/4, -, /8, 5-6/8 Kind of output c/o + n/c contacts c/o contacts Operational principle ) open-circuit principle open- and closed-circuit principle ontact material Agdo Rated operational voltage U e (IE/EN ) 50 V 400 V Minimum switching voltage / minimum switching current - / - Maximum switching voltage 50 V 400 V Rated operational current I e (IE/EN ) A rating (UL 508) A (resistive) 30 V 4 A 5 A A5 (inductive) 30 V 3 A D (resistive) 4 V 4 A 5 A D3 (inductive) 4 V A.5 A Utilization category (ontrol ircuit Rating ode) B 300 max. rated operational voltage 300 V A max. continuous thermal current at B A max. making/breaking apparent power at B /360 VA 30 x 0 6 switching cycles Mechanical lifetime Electrical lifetime (A, 30 V, 4 A) 0.3 x 0 6 switching cycles 0. x 0 6 switching cycles Max. fuse rating to achieve short circuit protection n/c / n/o contact 4 A fast-acting / 6 A fast-acting General data Diemensions (W X H X D) 45 x 78 x 00 mm (.77 x 3.07 x 3.94 in) Mounting position any Degree of protection enclosure / terminals IP50 / IP0 Ambient temperature range operation / storage / Mounting DIN rail (IE/EN 6075) Electrical connection Wire size fine-strand with wire end ferrule x.5 mm ( x 4 AWG) Standards Product standard IE 55-6, EN Low Voltage Directive 006/95/EG EM Directive 004/08/EG Electromagnetic compatibility - electrostatic discharge IE/EN Level 3 (6 kv / 8kV) radiated, radio-frequency, electromagnetic field IE/EN Level 3 (0 V/m) electrical fast transient / burst IE/EN Level 3 ( kv / 5 khz) surge IE/EN Level 4 ( kv L-L) conducted disturbances, induced by radio-frequency fields IE/EN Level 3 (0 V) Resistance to vibration (IE 68--6) 5 g Mechanical resistance (IE 68--6) 0 g Isolation data Rated insulation voltage between supply, measuring and output circuit (VDE 00, IE 60947) 50 V 500 V Rated impulse withstand voltage between all isolated circuits (VDE0 0, IE 664) 4 kv / μs Test voltage between all isolated circuits,5 kv, 50 Hz, min. Pollution category (VDE 00, IE 664, IE 55-5) 3 / Overvoltage category (VDE 00, IE 664, IE 55-5) III / Environmental testing (IE ) 4 h cycle time, 55, 93 % rel., 96 h ) Open-circuit principle: Output relay energizes if the measured value exceeds/drops below the adjusted threshold. losed-circuit principle: Output relay de-energizes if the measured value exceeds/drops below the adjusted threshold. Approvals... /6 /90 D

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