Eaton / Cutler-Hammer NDC312T36W Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer NDC312T36W - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the robust Series C family, this 1200A three-pole electronic trip breaker delivers exceptional performance for complex electrical systems. The N-Frame device utilizes true RMS sensing to accurately monitor and respond to circuit conditions. Designed for unit mount configurations, it fits Eaton panelboards and switchboards. Facilities maintaining existing infrastructure can utilize this model, while new builds typically transition to the PDG53P1200E3NN Power Defense substitute.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | NDC312T36W |
| Series | NDC |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Amperage Range | 600-1200A |
|---|
| Frame Type | NDC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits, Rating Plugs |
|---|---|
| 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 | HACR Rated, Current Limiting, True RMS Sensing, 80% Rated |
Product FAQs
7 answersWhat specific trip unit is installed in the NDC312T36W?
This breaker features a Digitrip 310 RMS electronic trip unit. The T36W suffix designates LSIG functionality, providing adjustable Long-Time, Short-Time, Instantaneous, and Ground-Fault protection.
Is the Eaton NDC312T36W suitable for reverse feed applications?
Yes, Eaton Series C N-frame circuit breakers are designed to be suitable for reverse feed installations.
Does this circuit breaker carry an HACR rating?
Yes, the NDC312T36W is HACR rated for safe use with heating, air conditioning, and refrigeration equipment.
Is this 1200A breaker standard rated or 100% rated?
The NDC312T36W is a standard 80% rated circuit breaker.
What is the operating frequency for this molded case circuit breaker?
It is rated for use on standard 50/60 Hz AC electrical systems.
What equipment is the NDC312T36W compatible with?
It is designed for installation in Eaton Series C panelboards, switchboards, motor control centers, and busway electrical assemblies.
What frame size is the NDC312T36W?
This breaker is part of the Eaton Series C N-frame family, specifically utilizing the NG-frame design.
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