Eaton Cutler-Hammer CHND312T52W

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DO Supply, Inc. sells surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with DO Supply, Inc. and not the manufacturer. DO Supply, Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products.

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Basic Details

MPN CHND312T52W
Product Line Series C N Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The CHND312T52W Molded Case Circuit Breaker operates with 3 Poles and 1200 Amps. The module also has a N Frame and a Model 550 Trip Model.

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Technical Specifications

Amps 1200 Amps
Dimensions (W x H x D) 8.25 x 16 x 5.5 inches
Frame N
Interrupting Capacity 100 kAIC at 240 Volts AC
Part Number/Catalog No. CHND312T52W
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Trip Model Model 550
Trip Type LSI
Weight 45 pounds

About the CHND312T52W

The Eaton CHND312T52W is a 1200 Amps rated circuit breaker. It is an HACR and 100% rated Series C breaker of the CHND type and with an NG frame. The CHND312T52W is rated for 600 Volts AC and 50 to 60 Hertz. The interrupting capacity specifications for the CHND312T52W are 65 kAIC at 480 Volts AC and 100 kAIC at 240 Volts AC. It has 3 poles and it includes an electronic OPTIM 550 LSI trip module. Calibration of the integrated trip module does not depend on ambient temperatures ranging from -20 to 55 degrees Celsius. However, a trip is initiated by the protective circuitry inside the trip unit if the internal temperature of the PCB reaches 90 degrees Celsius.

Terminals are not provided with the CHND312T52W and they need to be purchased separately. Only copper or AL9CU terminals should be used. The CHND312T52W has to be used with the supplied terminal barriers and conductor extensions. The use of only 90 degrees Celsius-rated wire with an ampacity based on 75 degrees Celsius-rated conductors is recommended. The CHND312T52W weighs 45 pounds and it measures 8.25 x 8.25 x 5.5 inches. It requires 224 square inches of ventilation space around the front face of the circuit breaker enclosure (72 square inches on both the top and bottom sides and 40 square inches on both the left and right sides of the enclosure). The CHND312T52W muse be switched off during any maintenance or installation related activity to prevent injury or death to technicians and to prevent equipment damage.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the CHND312T52W:

  • CHND312TS2W
  • CHND3I2T52W
  • CHND3I2TS2W
typing