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AUTOMATICALLY SWITCHED SERIES PFC CAPACITORS

Power Factor Correction Capacitor OF
SIZES AVAILABLE
kVAC

240 VAC Catalog Number

480 VAC Catalog Number

600 VAC Catalog Number

50

324050AS2L

348050AS2L

360050AS2L

75

324075AS3L

348075AS3L

360075AS3L

100

3240100AS4L

3480100AS4L

3600100AS4L

125

3240125AS5L

3480125AS5L

3600125AS5L

150

3240150AS6L

3480150AS3L

3600150AS3L

175

3240175AS7L

3480175AS7L

3600175AS7L

200

3240200AS8L

3480200AS4L

3600200AS4L

250

3240250AS10L

3480250AS5L

3600250AS5L

300

3240300AS12L

3480300AS6L

3600300AS6L

350

 

3480350AS7L

3600350AS7L

400

 

3480400AS8L

3600400AS8L

450

 

3480450AS9L

3600450AS9L

500

 

3480500AS10L

3600500AS10L

550

 

3480550AS11L

3600550AS11L

600

 

3480600AS12L

3600600AS12L

650

 

3480650AS13L

3600650AS13L

700

 

3480700AS14L

3600700AS14L

750

 

3480750AS15L

3600750AS15L

800

 

3480800AS16L

3600800AS16L

850

 

3480850AS17L

3600850AS17L

900

 

3480900AS18L

3600900AS18L

1000

 

34801000AS20L

36001000AS20L

 

General

The Automatic power factor correction capacitor systems are designed to automatically switch capacitors in and out of the three phase electrical system in order to maintain a predetermined level of power factor. Commercial and industrial customers with large loads are able to maintain a desired power factor level driven by utility tariffs as well as reduce system losses. The benefit in using an automatic bank of capacitors allows for fewer installations than when using smaller fixed capacitor banks, and the installation costs can be reduced drastically when using the automatic systems. Automatic banks are virtually maintenance free after installation. The fully automated controller in the automatic power factor bank provides utility grade metering that offers real time power and energy monitoring with hundreds of parameters captured, logged, and available for taking action and/ or passing to other systems displayed locally and/ or remotely.

Construction

All standard components which include the three phase capacitor cells, controller, contactors, fuses & fuse blown indicator lights, ventilation system, power ON/OFF indicator lights, and the Push-to-Test push buttons are housed in a 12 Gauge NEMA 1 steel cabinet enclosure with ANSI #70 light grey paint. The enclosure panel comes complete with removable lifting eyes and lockable door handle. All units include the split-core current transformer which will be used in conjunction with the controller – PLEASE SPECIFY THE CURRENT RATING OF THE THREE PHASE SWITCHGEAR SERVICE IN ORDER TO CORRECTLY SIZE THE SPLIT-CORE TRANSFORMER.

Capacitor Cell Design

  • The high quality three phase cells which are used in the construction of the power factor banks are vacuum-impregnated metallized polypropylene filled with a dielectric fluid and hermetically sealed in a rugged steel welded case to give added insulation, excellent corona protection, and a moisture barrier.
  • The dielectric fluid used in the capacitor cells is a green Non-PCB, non-toxic, biodegradable, and Class III combustible fluid.
  • Self-healing technology in case of overload, the self-healing properties of the low loss metallized polypropylene will prevent permanent dielectric breakdown.
  • Internal Pressure-Sensitive Interrupter which safely removes the capacitor from service at the end-of-life or under heavy fault conditions while still maintaining the integrity of the steel casing.
  • Internal resistors discharge voltage is less than 50 volts in less than 1 minute after the cell has electrically been removed from circuit.
  • Standards – UL810, C22.2 No. 190 Canadian Standards, ANSI/IEEE 18, IEC 831, NEMA CP-1, UL Recognized CYTW2, and cUL Recognized CYTW8
  • The capacitor design has a total loss which is less than .5 Watts per kVAR at 60 HZ 25 degrees C.

Electrical Characteristics

  • 240 VAC, 480 VAC, 600 VAC rated Voltage at 60 HZ
  • 50 – 1000 KVAR sizes available – FOR SIZES ABOVE 1000 KVAR CONSULT FACTORY.
  • Capacitance Tolerance is + or – 15%.
  • Overcurrent Tolerance is 135% of rated current continuously.
  • Overvoltage Tolerance is 110% of rated voltage
  • Standard Operating Temperature is -40 F to +115 F. Operation above 115 F will shorten the capacitor life.

Wiring Cable Insulation

All internal conductors are insulated stranded copper wire rated at 90 C.

Fuse Protection & Indicator Lights

The internal control fuses are time-delay and rated at 600 VAC in accordance with the National Electric Code requirements. Breaker tripped lights shall be included to indicate when the capacitor breaker has tripped. Blown fuse indicator lights shall be included on each control circuit fuse. Lights shall be mounted on enclosure door for easy viewing.

Switched Capacitor Breakers

ARCO Electric Products uses 3 Pole molded case circuit breakers to protect each of the switched capacitor stages in the automatic unit. They are rated 600 VAC and suitable for use in 208, 240, 480, and 600 VAC applications. The high interrupting capacity of the breaker carries a 65kA rating. The breaker has an adjustable thermal (.8 – 1.0), fixed magnetic type. Each breaker is equipped with an alarm switch indicator that triggers an indicator light when the breaker is tripped due to overload, short-circuit, operation of shunt trip, or under voltage trip conditions

OPTIONAL EQUIPMENT FEATURES AVAILABLE

  • Tuning Filter Reactors
  • Outdoor NEMA 3R Enclosure
  • Molded-Case Circuit Breaker internally mounted with external operator
  • Main Fused Disconnect Switch in smaller units – CONSULT FACTORY 
  • UL Listed Service Entrance
  • Panel View for controller
  • Ethernet Connection for remote data access
  • Bottom Enclosure Panel Entry (Standard location is top right side of enclosure)
  • Safety Door Interlock (Only required if door entry is on the left side of enclosure panel.)

WARRANTY

5-YEAR WARRANTY on the capacitor cells

  • For single phase applications change Prefix Number from 3 to 1 on the Catalog Number.
  • For 208 VAC applications divide kVAR size by .75 to find equivalent in 240 VAC rated size.
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Contact ARCO

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Home Office:
2325 E. Michigan Road
Shelbyville, IN 46176-3400
Toll Free: 800-428-4370
Direct: 317-398-9713
Fax: 317-398-2655
Location Manager:
E-Mail: Dustin Shoaf
Sales Manager:
E-Mail: Tim Drake