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Eaton / Cutler-Hammer CND312T32W Molded Case Circuit Breaker

  • 1200A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer CND312T32W
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU CND312T32W
Select Item Condition
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  • 1200A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer CND312T32W - 1200A 3 Pole Molded Case Circuit Breaker

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$9,479.68 Check Stock

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Description

Part of the Eaton Series C family, the CND312T32W is a 1200A, 3-pole MCCB built for demanding industrial applications. It utilizes a robust N-Frame construction to deliver reliable power distribution. This unit-mount breaker installs into Eaton Series C panelboards, switchboards, and motor control centers. It is 100% rated, allowing continuous operation at its full 1200A capacity. It features a Digitrip 310 RMS electronic trip unit with adjustable LSI settings and a 50kAIC rating at 480V.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number CND312T32W
Series CND
Amperage 1200A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 85kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC
Electrical ratings
Amperage Range 500-1200A
Fit and installation
Frame Type CND
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Switchboards, Motor Control Centers
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LSI
Trip Function Long-Time, Short-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Lugs, Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Rating Plugs, Padlock Attachment
Accessories Without Terminals
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489
Approval CSA, HACR, UL
Temp Rating 40C
Construction Features 100% Rated, HACR Rated, Reverse Feed, True RMS Sensing, Non-Interchangeable Trip

Product FAQs

7 answers
What does the 'T32' in the CND312T32W catalog number indicate?

The 'T32' designates that the breaker is equipped with a Digitrip 310 electronic trip unit featuring LSI (Long-Time, Short-Time, and Instantaneous) protection functions.

What does the 'C' in the CND frame type signify?

The 'C' indicates that this is a 100 percent rated circuit breaker, meaning it is approved for continuous operation at 100 percent of its 1200A frame rating in an appropriately sized enclosure.

Does the CND312T32W require a rating plug to operate?

Yes, this breaker requires a rating plug to establish its maximum continuous current rating and make the electronic trip unit operational.

Can the CND312T32W be reverse fed?

Yes, Eaton Series C N-frame circuit breakers, including the CND312T32W, are suitable for reverse feed applications.

What settings are adjustable on the CND312T32W trip unit?

The LSI trip unit allows you to adjust the Long-Time, Short-Time, and Instantaneous pickup settings to coordinate with your specific system requirements.

Is the CND312T32W HACR rated?

Yes, Eaton Series C N-frame circuit breakers carry an HACR rating, making them suitable for use with heating, air conditioning, and refrigeration equipment.

Can this breaker replace a Westinghouse CND312T32W?

Yes. Eaton acquired the Westinghouse distribution equipment division, so this Eaton / Cutler-Hammer breaker is a direct replacement for the legacy Westinghouse CND312T32W.

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