StatiVolt. Inverter UPS Systems. Features. Contents

Similar documents
TOSHIBA International Corp

These true on-line inverters incorporate pulse width modulation (PWM) control combined with high frequency igbt power transistors.

Power Processor - Series 700F 10KVA to 150KVA

These true online inverters integrate pulse width modulation (PWM) control combined with high frequency IGBT power transistors.

PRODUCT SPECIFICATION FOR A 15 AND 75 kva, THREE PHASE MODULAR POWER DISTRIBUTION SYSTEM WITH REGULATION AND CONDITIONING (Varian)

2.2 American National Standards Institute Corporation and its applicable standards C39.1, C80.1, C89, C84.1.

LIFE LINE PRODUCT SPECIFICATION FOR A 1 TO 3 KVA, SINGLE PHASE, POWER DISTRIBUTION SYSTEM WITH REGULATION AND CONDITIONING

Resilient 3000 EP3000AC48IN Rectifier 3000W Output at 48 58Vdc

UNINTERRUPTIBLE POWER SUPPLY SPECIFICATIONS MODEL 1100B SERIES

Power-Sure 700. Technical Data TD158001EN. Contents

G8000MM Series IGBT. 100 to 750 KVA UPS UNINTERRUPTIBLE POWER SYSTEMS. 94% Efficiency. Input PF >0.98 DESIGN

MAJORSINE Power Inverter

Technical Data Sheet. Uninterruptible Power Supply On-line VH Series UPS. Critical Power UL / 208V

USER S MANUAL. 3KSS6050/ nd Edition

Series PCI + PIT PIT5738 U IN PIT5748 U IN PCI5748 PCI5738. Series PIT 19 - Cabinet G10

PIRANHA 3 (3-phase, Power Conditioning Voltage Regulator)

MODULAR DC POWER SUPPLIES & SYSTEMS. DC Power Systems DC/AC Inverters Static Switches DC/DC Converters. GAMATRONIC, A SolarEdge Division

TECHNICAL DATA SHEET B9600FXS kva

MITSUBISHI ELECTRIC 2033A DDC SERIES SPECIFICATIONS

Gutor PxW AC UPS Designed for North American Market

SECTION THREE-PHASE UNINTERRUPTIBLE POWER SYSTEM

USER S MANUAL. 1KSS60400/ ST Edition

Est Static Frequency Converter. SFX 10kVA - 10MVA

2.1 Performance Standards The UPS is designed with the applicable sections of UL, CUL, and ISO The UPS has UL and CUL listing.

Comm Series DC Power Supplies Radio Base Station Covers Battery Chargers DC UPS Backup Systems

Utility Systems Technologies, Inc. Sag Fighter. Deep Voltage Sag Protection:

APQline Active Harmonic Filters. N52 W13670 NORTHPARK DR. MENOMONEE FALLS, WI P. (262) F. (262)

UNINTERRUPTIBLE POWER SUPPLY MODEL 9900B SPECIFICATIONS

SPECIFICATION SWITCHING POWER SUPPLY SINGLE POWER 250W BEST POWER SOLUTIONS, INC. 9F, NO.196-7, SEC.3, TA-TUNG RD SHI CHIH, TAIPEI, TAIWAN, R.O.C.

INPUT VOLTAGE STARTING MINIMUM NORMAL MAXIMUM MAXIMUM INPUT RANGE VOLTAFE VOLTAGE VOLTAGE VOLTAGE CURRENT

8101 SPECIFICATION SHEET

Installation requirements

Technical Data Sheets

SPECIFICATION REDUNDANT POWER SUPPLY HOT-SWAPPABLE 370W+370W

Inverter with static switch a. manual bypass up to 1000 VA

SPECIFICATION SWITCHING POWER SUPPLY BPS-300SP/2U 6-OUTPUT WITH ACTIVE PFC FUNCTION SINGLE POWER 300W BEST POWER SOLUTIONS, INC.

Power Supplies 3. SDN-C Compact DIN Rail Series

UNINTERRUPTIBLE POWER SUPPLY MODEL 9900AEGIS SPECIFICATIONS

Est Static Frequency Converter. SFX 10kVA - 10MVA

SECTION LOW VOLTAGE ACTIVE HARMONIC FILTER SYSTEM NEMA 1 ENCLOSED

ADC5000 SERIES. AC/DC Switch Mode Power Supplies and Rectifiers for Industrial and Telecom Applications. 60W, 125W and 250 W

GESS Industrial UPS System. Overview

P. O. BOX 269 HIGHLAND, ILLINOIS, U.S.A PHONE FAX

Switching power supplies CP range, Linear power supplies CP-L range. Content

GUIDE SPECIFICATIONS 40-80kVA, kVA and kVA Scalable Three-Phase Uninterruptible Power System 1.0 GENERAL

Product Catalog PRODUCT CATALOG. Power supply system & test equipment

UNINTERRUPTIBLE POWER SUPPLY SINGLE MODULE SYSTEM SPECIFICATIONS MODEL 9800AE

MTC Series 15 W AC/DC Switching Power Supply Module Medical

These power supplies are ideal for medical, telecom, datacom, industrial equipment and other applications.

Design Specifications Low Voltage Active Harmonic Filter

SPECIFICATION. Online UPS 3000VA

Type CP-S, CP-C & CP-A Switch mode

LCL Series. SIngle Output Industrial Supplies. High Efficiency. Low Cost. 150 W Convection Cooled. 300 W & 500 W with Internal Fans

LED Driver Compact dimming outdoor

The MBC550 range is ideally suited to a wide variety of medical applications, and also where airflow is limited or not available.

STATIC UNINTERRUPTIBLE POWER SYSTEM Revised 4/30/ Electrical Systems

SPECIFICATION REDUNDANT POWER SUPPLY HOT-SWAPPABLE BPS-460RDX 6-OUTPUT 460W+460W BEST POWER SOLUTIONS, INC.

These power supplies are ideal for telecom, datacom, industrial equipment and other applications.

Electrical Specifications VAC/390 VDC, Universal (Derate from 100% at 115VAC to 78% at 90VAC)

LED Driver Compact dimming outdoor

INTERIM ARRANGEMENTS FOR GRID TIED DISTRIBUTED ENERGY RESOURCES. Technical Requirements for Grid-Tied DERs

1 INTRODUCTION ORDER CODE / INFORMATION

DSA150 Series. xxx Series. 150 Watts. AC-DC Power Supplies. Models & Ratings. Mechanical Details 3.92 (99.8) 2.18 (55.5) 4.92 (125.

Medical Safety Approvals (-M versions) Industrial Heavy Duty Terminals. Output Power up to 1500 W. High Power Density - 18W/in 3

Section 16621A - AUTOMATIC TRANSFER SWITCH. Part 1 General

SUGGESTED SPECIFICATION for Series 300 Automatic Transfer Switches

DSR120 Series. xxx Series. 120 Watts. AC-DC Power Supplies. Models & Ratings. Mechanical Details

PRODUCTS FOR ELECTRICAL SUB-STATIONS UPS, DC-AC INVERTERS, BATTERY CHARGERS, DC-DC CONVERTERS, 1-PHASE TO 3-PHASE CONVERTERS

SAMSUNG ELECTRO-MECHANICS CO., LTD

OPERATION & SERVICE MANUAL FOR FC 110 AC POWER SOURCE

CP-T range Product group picture

NAME OF (VENDOR/MANUFACTURER) Clause No. Clause Description Comments, if any Remarks, if any

Single or parallel use selectable by user Adjustable output voltage. New narrow width saves panel space

OPUS C DC Power Systems OC2066 and OC1666 floor standing Cabinets

Power Supplies. Certifications and Compliances Recognized Component, ITE - UL Certified, ITE - CSA C22.2 CSA

Phase Combined Systems

LB115S 115W Single Output

This convection-cooled series is designed for use in commercial and industrial environments in temperatures up to 50 C.

Notes: Note1: Efficiency is tested at nominal input and full load at +25 C ambient. Output Voltage 400VAC 320VAC 360VAC 400VAC 400VAC

Notes: Note1: Efficiency is tested at nominal input and full load at +25 C ambient. Output Voltage 400VAC 400VAC

Straight Isolation - Plug In (171 Series)

Environmental. Electrical Specifications at 25 O C TYPE HL. Output Constant Current. Output Voltage Range

These medical power supplies are ideal for monitoring, home health equipment as well as surgical devices.

Continental's 816R -5B, 35 kw Single Tube Broadcast Transmitter. Includes the 802A solid -state exciter

CP-T range Benefits and advantages

HLG-600H IP65 IP67. series. 600W Single Output Switching Power Supply. Features. Applications

Environmental. Electrical Specifications at 25 O C E Output Constant Current

Low Voltage Power Factor Correction Equipment Specifications Automatic, Automatic Detuned, Automatic Tuned

General. Environmental. EMC & Safety

WAVEFORM CORRECTOR (WAVEFORM CORRECTORS) REPLACES SURGE PROTECTION DEVICES (SPD) PREVIOUSLY KNOWN AS (TVSS)

The MPB150 product line is approved to the latest international regulatory standards, and displays the CE Mark.

PEAK OUTPUT CURRENT 1. MAP V 4.7V to 5.8V 8A 11A 0.2% ±1% 1% 4.9V to 5.1V PEAK OUTPUT CURRENT 4 LINE REGULATION

Dale Power Solutions Ltd

LED Driver Linear / area fixed output

Type AHF Active Harmonic Filter

ALL PRODUCT BROCHURE

LED Driver Constant voltage


SAMSUNG ELECTRO-MECHANICS CO., LTD

Environmental. Electrical Specifications at 25 O C TYPE HL E Output Constant Current

Transcription:

Redundant, clean, sine-wave AC power ensures a high availability of mission-critical safety devices, instrumentation, alarms, controls and computers. Robust, StatiVolt UPS Systems are designed and built for decades of industrial duty and field serviceability. Since 1964, time-proven applications to industrial loads are testimony to their reliability. Output 1Ø 3Ø 24 V DC Input 48 V kw (1Ø) 125 V 250 V 0.6 1.8 1 1 0.9 0.9 1.2 3.6 1.7 1.7 1.6 1.5 2.0 6.0 2.7 2.6 2.5 2.4 3.0 9.0 4.1 3.8 3.7 3.5 4.0 12.0 5.3 5.1 4.8 4.5 5.0 15.0 6.7 6.3 6 5.6 6.0 18.0 7.5 7.1 6.7 7.5 22.5 9.4 8.8 8.3 10.0 30.0 13 12 11 12.5 37.5 16 15 14 Features Reliability by Design Pure sine-wave AC power Low frequency, soft-switching Natural convection cooled 30 year design life 15.0 45.0 19 18 17 20.0 60.0 24 22 25.0 75.0 29 28 30.0 90.0 35 33 40.0 120.0 47 44 50.0 150.0 59 56 60.0 180.0 71 67 Low DC Input Voltage 24, 48, 125, 250 V DC nominal Battery-only start-up capability In, out, bypass circuit breakers Fail-safe output current limiting Transformer isolation Fail-safe output V control Inherent surge rejection Inherent AC fault limiting Versatile Functions & Options DC Input Low V Shutdown Dual AC Output Voltages Static Switch initiated transfer Bypass Transformer Special Utility Options Warranty & Service 2 year full, 5 year major parts Fully field serviceable 20 year parts availability Contents Inverter Specifications 2 Transfer Specifications 3 1Ø System Cabinets 4 3Ø System Cabinets 5, 6 Model Numbers, Options 7 1 of 7

Inverter Specs Full Load Efficiency (%) Power Conversion Design SCR chopper, commutation transformer Tuned ferro-resonant output Pure sine-wave AC power Rated for load Crest Factors 3.0 Output Control Fail-safe, closed-loop control High speed electronic V sensing Magnetic shunt regulation True oscillator output frequency Steady-State Full Load V & F Regulation ±1% (-16% to +15% of nominal DC V) ±0.10 Hz frequency, 1 Hz / s slew rate Overload Capacity 125% 30 min, 150% 10 min, 200% 60 s Annunciation & Meters Standard annunciation (each phase): V+A AC Meter digital, 1% accuracy AC On green LED Normal Reg. green LED Low V O/L red LED, contacts High V red LED DC Low V red LED, contacts Inv. Off / Fault red LED, contacts Contacts are form C contacts rated: 3 A (120 V AC & 30 V DC ), 0.3 A (125 V DC ) 1Ø 3Ø Nominal DC Voltage 24 48 125 250 0.6 1.8 62 63 65 68 1.2 3.6 69 70 73 78 2 6 73 76 80 84 3 9 74 78 82 86 4 12 75 79 83 88 5 15 75 80 84 89 6-15 18-45 80 85 90 20-60 60-180 85 90 DC breaker rated I 1.5 x full load I DC AC breaker rated I 1.25 x full load I AC Transformer electrical isolation I 2 t breaker coordinated SCRs & diodes I limiting set to start at 125% of full load DC Input Reflected Ripple Voltage 1% rms (without battery) 0.5% rms (on typical battery) Noise filter option (< 32 dbrnc noise) Startup DC Inrush Current 1.5x full load input Amps for < 30 ms Output AC V Range ± 10% of nominal (± 5% regulator adjust, ± 5% transformer tap adjust) Dynamic AC V Response ±5% for 50% resistive step-loads ±10% for 100% resistive step-loads Recovery < 17 ms (50% step-load) Parallel Inverter Operation Load sharing within 10% of unit I AC Audible Noise 55-65 dba (at 1 m, rating dependent) Output Distortion & Noise THD is < 5% (p-n) and < 3% (p-p) 0.1 to 30 MHz wide-band filter 120 db common mode noise rejection 60 db transverse mode attenuation Surge Tolerance Inherent I / O surge protection Withstands ANSI / IEEE C62.41 (IEC 6080-4) standard surge V waveforms Electromagnetic Interference Conducted / radiated EMI within CSA C108.8 & FCC Part 15 Class B limits Wiring Stranded 16 AWG control wires Plastic sleeve-type wire markers Wire ( 10 AWG) connection ferrules Cabinets NEMA type 1 Front accessible, side / top cable entry 14 / 10 gage steel panels / mounts Powder-coated, baked enamel finishes Environmental Requirements Natural convection cooled: top, side, rear clearances required for air flow. -20 C to +40 C continuous operation RH < 95% non-condensing Reliability MTBF is 120 k hrs (1Ø), 40 k hrs (3Ø) MTTR is 1 hour (spares on / near site) Design & Test Standards CSA certified (C22.2 No. 107.1-01) Generally per NEMA, ANSI, IEEE, IEC Magnetics operate at max. 125 C Magnetics designed for Class 220 C Single-Line Diagram With Controls 2 of 7

On-Line Transfer Specs Maintenance Bypass System Operation Normal power via inverter(s) (on-line) DC / inverter failure initiates a no-break (< ¼ cycle) transfer to bypass power Transfer is via a line redundant transfer logic (LRTL) and a contactor Optional static switch + contactor Transfer to Bypass LRTL senses AC voltage, transfers @ 75% of nominal AC V (60-100% adj.) LRTL initiates transfer by energizing contactor coil (bypass powered) Ferro-resonant stored energy enhances no-break operation Inverter and bypass frequencies are synchronized within a 1 Hz range Auto (60 s delay) or optional manual no -break retransfer of load to inverter DC sensing fuse Bypass brkr rated I 1.5 x full load I AC Reliability MTBF is 560 k hrs MTTR is 1 hour (spares on / near site) Standby Transfer Specs System Operation Normal power via AC bypass (BP) AC failure initiates a no-break (< ¼ cycle) transfer to inverter power Transfer is via a standby transfer logic (SBTL) and a contactor Optional static switch + contactor Transfer to Bypass SBTL senses AC voltage, transfers @ 75% of nominal AC V (60-100% adj.) SBTL initiates transfer by energizing contactor coil (inverter powered) Ferro-resonant stored energy enhances no-break operation Inverter and bypass frequencies are synchronized within a 1 Hz range Auto (60 s delay) or optional manual no -break retransfer of load to AC BP DC sensing fuse Bypass brkr rated I 1.5 x full load I AC Reliability MTBF is 560 k hrs MTTR is 1 hour (spares on / near site) Annunciation & Meters Standard annunciation: Inv / Bypass Status dry contacts AC V Meter digital 1% acc. AC A Meter (1Ø) digital 1% acc. Contacts are form C contacts rated: 3 A (120 V AC & 30 V DC ), 0.3 A (125 V DC ) Optional annunciation & meters Differential frequency sensor to monitor bypass frequency AC F Meter analog 2% acc. Design & Test Standards CSA certified (C22.2 No. 107.1-01) Generally per NEMA, ANSI, IEEE, IEC Annunciation & Meters Standard annunciation: Inv / Bypass Status dry contacts AC V Meter digital 1% acc. AC A Meter (1Ø) digital 1% acc. Contacts are form C contacts rated: 3 A (120 V AC & 30 V DC ), 0.3 A (125 V DC ) Optional annunciation & meters Differential frequency sensor to monitor bypass frequency AC F Meter analog 2% acc. Maintenance Bypass (BP) Make-before-break (< ¼ cycle) manually operated rotary cam switch Transfers load to the bypass line Isolates inverter system for maintenance / repair purposes Manual System Isolation Open inverter I / O breakers Switch load to maintenance bypass via the maintenance bypass switch Disconnect DC sensing fuse Open AC sensing isolation switch Contactor is de-energized Manual System Return to Inverter Post-service no-break retransfer Reconnect DC sensing fuse Close AC sensing isolation switch Close inverter input breaker, then output breaker Return maintenance bypass switch to the inverter position Inverter power restored (60 s delay) Transfer Cabinets Cabinets Integrated with inverter UPS NEMA type 1 Front accessible, side / top cable entry 14 / 10 gage steel panels / mounts Powder coated, baked enamel finishes Environmental Requirements Natural convection cooled, top, side, rear clearances required for air flow. -20 C to +40 C continuous operation RH < 95% non-condensing 3 of 7

1Ø System Standard Cabinets Output Cabinet Style Dimensions mm (in) H W D Weight kg (lb) Rack Mount Cabinet (R) Dual Redundant Systems Parallel, floor mount, inverter systems (2 parallel inverters combined with one transfer) are 2x the width and weight as shown in the table. Bypass Transformer The optional bypass transformer is housed in the transfer section of any inverter UPS. Construction EEMAC / NEMA type 1 cabinets. Front access. 14 / 10 gage steel panels / mounting channels. Standard finish is ASA 61 grey, baked enamel. Side cable entry for rack mount cabinets. Top cable entry for floor mount cabinets. Required Ventilation Clearance: Rack Cabs: 89 (3.5) space all sides. Floor Cabs: 305/610 (12/24) rear/top space. 0.6 R 445 (17.5) 584 (23) 508 (20) 45 (99) 1.2 R 579 (22.8) 584 (23) 508 (20) 65 (143) 2 R 668 (26.3) 584 (23) 508 (20) 80 (176) 3 R 757 (29.8) 584 (23) 508 (20) 105 (231) 4 F1 1905 (75) 610 (24) 610 (24) 200 (441) 5 F1 1905 (75) 610 (24) 610 (24) 240 (529) 6 F1 1905 (75) 610 (24) 610 (24) 280 (617) 7.5 F1 2057 (81) 610 (24) 610 (24) 310 (683) 10 F1 2057 (81) 610 (24) 762 (30) 350 (772) 12.5 F1 2057 (81) 610 (24) 762 (30) 400 (882) 15 F1 2210 (87) 610 (24) 762 (30) 480 (1058) 20 F1 2210 (87) 762 (30) 762 (30) 670 (1477) 25 F1 2210 (87) 762 (30) 762 (30) 840 (1852) 30 F2 2210 (87) 1372 (54) 914 (36) 1150 (2921) 40 F2 2210 (87) 1372 (54) 914 (36) 1280 (2821) 50 F2 2210 (87) 1676 (66) 914 (36) 1550(3937) 60 F2 2210 (87) 1676 (66) 914 (36) 1850 (4079) Notes Actual systems may vary from these cabinet standards according to jobspecific options or custom requirements. All dimensions in mm (inches). Drawings are not to scale. Anchoring Detail Floor Mount Cabinet (F1) Floor Mount Cabinet (F2) 4 of 7

3Ø System Standard Cabinets Output Cabinet Style Dimensions mm (in) H W D Weight kg (lb) Dual Redundant Systems Parallel, floor mount, inverter systems (2 parallel inverters combined with one transfer) are 2x the width and weight as shown in the table. Bypass Transformer The optional bypass transformer is housed in the transfer section of any inverter UPS. Construction EEMAC / NEMA type 1 cabinets. Front access. 14 / 10 gage steel panels / mounting channels. Standard finish is ASA 61 grey, baked enamel. Top cable entry for floor mount cabinets. Required Ventilation Clearance: Floor Cabs: 305/610 (12/24) rear/top space. 1.8 F1 2057 (81) 610 (24) 610 (24) 225 (496) 3.6 F1 2057 (81) 610 (24) 610 (24) 250 (551) 6 F1 2210 (87) 610 (24) 762 (30) 300 (661) 9 F1 2210 (87) 610 (24) 762 (30) 450 (992) 12 F3 2057 (81) 1829 (72) 610 (24) 650 (1433) 15 F3 2057 (81) 1829 (72) 610 (24) 790 (1742) 18 F3 2057 (81) 1829 (72) 610 (24) 925 (2040) 22.5 F3 2057 (81) 1829 (72) 610 (24) 1030 (2271) 30 F3 2057 (81) 1829 (72) 762 (30) 1150 (2535) 37.5 F3 2057 (81) 1829 (72) 762 (30) 1380 (3043) 45 F3 2210 (87) 1829 (72) 762 (30) 1630 (3594) 60 F3 2210 (87) 2286 (90) 762 (30) 2110 (4652) Notes Actual systems may vary from these cabinet standards according to job-specific options or custom requirements. All dimensions in mm (inches). Drawings are not to scale. Floor Mount Cabinet (F1) Anchoring Detail Floor Mount Cabinet (F3) 5 of 7

3Ø System Standard Cabinets Output Cabinet Style Dimensions mm (in) H W D Weight kg (lb) Dual Redundant Systems Parallel, floor mount, inverter systems (2 parallel inverters combined with one transfer) are 2x the width and weight as shown in the table. Bypass Transformer The optional bypass transformer is housed in the transfer section of any inverter UPS. 75 F4 2210 (87) 2896 (114) 762 (30) 2010 (4431) 90 F4 2210 (87) 2896 (114) 762 (30) 2350 (5181) 120 F4 2210 (87) 3048 (120) 762 (30) 2850 (7239) 150 F4 2210 (87) 3505 (138) 914 (36) 3280 (7231) 180 F4 2210 (87) 3962 (156) 914 (36) 3800 (8378) Construction EEMAC / NEMA type 1 cabinets. Front access. 14 / 10 gage steel panels / mounting channels. Standard finish is ASA 61 grey, baked enamel. Notes Actual systems may vary from these cabinet standards according to job-specific options or custom requirements. All dimensions in mm (inches). Drawings are not to scale. Top cable entry for floor mount cabinets. Required Ventilation Clearance: Floor Cabs: 305/610 (12/24) rear / top space. Anchoring Detail Floor Mount Cabinet (F4) 6 of 7

Model Numbers _ AC 6 A LA 48 206 F 125 B M Options Codes (see below) (M)aintenance BP Switch (B)attery Ripple Filter DC Nominal Voltage (R)ack or (F)loor mount Height (cm) Width (cm) On-Line (LA)uto or (LM)anual, or Standby (SB) Transfer AC Output Voltage Code (see table at right) Inverter System rating For 2 parallel inverters add # prefix AC V Code 60Hz 50Hz 110-120-127 1 A 208-240 1 B 120-208-240 1 T BX 220-230-240 1 U UX 480 1 G 600 1 H 208-220 Y 3 EY EXY 380-400-415 Y 3 LY LXY 480 Y 3 FY 600 Y 3 KY Options DC Input Options Code Input ripple filter, AC ripple 1% rms (standard) B Input telecom noise filter, noise 32 dbrnc (24 & 48 V DC only) C DC low V shutdown, nominal to -17% DC input voltage range, adjustable Ls DC Ground leakage alarm, 2 red LEDs, 1 set of form C contacts, 1-5 ma adjustable G Digital DC V & A meter, 1% accuracy, switch selectable Dm AC Output Options 50 Hz output voltage frequency see AC V code Dual AC output voltage, 120 / 240 VAC (120-N-120) Do Transfer / Bypass Options Staticon no-break, energy storage & contactor based auto transfer standard Static switch + contactor based, ¼ cycle break auto transfer S On-line (line redundant) auto return transfer (60 s delay) LA On-line (line redundant) manual return transfer LM Off-line (standby) auto return transfer (60 s delay) SA Off-line (standby) manual return transfer SM Maintenance bypass switch, manual make-before-break rotary cam switch (standard) M Bypass step-down / isolation transformer X Annunciation Options Frequency meter, analog, 2% accuracy F Differential frequency sensor to monitor bypass power frequency Fd Common system failure alarm, 1 extra set of form C contacts Ca Audible system failure alarm A Utility Options Keyed door locks with handles K High interrupting-ampere capacity input / output / bypass breakers (consult Staticon) I I / O breaker visible contacts and lock attachments V Auxiliary contacts for any single input, output, bypass or distribution breaker Ac Zinc Rich powder coat paint primer for enhanced corrosion protection Z White interior paint W Packaging Options Tropical / humidity proofing, acrylic sprayed components and wires T Export packaging per international ocean freight requirements 7 of 7