Eaton / Cutler-HammerNGS312032E
Eaton / Cutler-Hammer NGS312036EC Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
NGS312036EC
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
NGS312036EC
Quantity
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Eaton / Cutler-Hammer NGS312036EC - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Delivering 100% rated continuous current capacity, this 1200A MCCB utilizes a microprocessor-based LSIG trip unit for precise coordination. The bolt-on design fits seamlessly into Series G distribution equipment, panelboards, and motor control centers. Designed to replace older ND312036 models, it features a Digitrip 310+ unit with adjustable long-time, short-time, instantaneous, and ground fault protection, alongside a 50kAIC rating at 480VAC for demanding industrial environments.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | NGS312036EC |
| Series | NGS |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 500-1200A |
|---|
| Terminal Type | Stud/Tapped Pad |
|---|---|
| For Use With | Eaton Series G 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, Padlock Attachment, Motor Operator, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CE, CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, Reverse Feed, True RMS Sensing, HACR Rated, Current Limiting |
Product FAQs
6 answersWhat is the legacy replacement for the NGS312036EC?
The Series G NG-frame NGS312036EC is the direct modern replacement for older Series C ND-frame breakers, such as the ND312036. When upgrading, verify your existing panel hardware, as mounting configurations may require specific adapters.
Are wire lugs included with the NGS312036EC breaker?
No, this breaker comes standard with stud and tapped pad connections. If your installation requires copper or aluminum wire lugs, they must be sized for your conductors and ordered separately.
What specific protection functions does the electronic trip unit provide on this breaker?
The integrated Digitrip 310+ electronic trip unit features fully adjustable LSIG functions. This allows precise coordination for Long-Time overload, Short-Time delay, Instantaneous short-circuit, and Ground-Fault protection.
Which electrical enclosures and distribution systems accept the NGS312036EC?
This 1200A NG-frame breaker is designed for bolt-on installation in Eaton Series G panelboards, switchboards, and motor control centers.
Does the NGS312036EC trip unit include an Arcflash Reduction Maintenance System (ARMS) to meet NEC 240.87?
No, the 36 suffix indicates a standard Digitrip 310+ LSIG electronic trip unit without maintenance mode. To comply with NEC 240.87 requirements for 1200A circuits using ARMS, a different trip unit configuration, such as one with a 39 suffix, is required.
Is the NGS312036EC rated for 100 percent continuous current?
Yes, the C suffix in the catalog number indicates that this breaker is 100 percent rated. It can carry its full 1200A continuous current rating when installed in an enclosure sized and ventilated to Eaton specifications, rather than being limited to the standard 80 percent continuous rating.
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