Eaton / Cutler-Hammer NGH312032EC Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer NGH312032EC - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the Series G family, the Eaton NGH312032EC is a 1200A, 3-pole MCCB for industrial distribution. It installs into Pow-R-Line 4 panelboards and motor control centers. This bolt-on breaker replaces legacy NG-frame units and is superseded by the PDG53M1200E2CN. It features a Digitrip 310+ electronic trip unit with adjustable LSI protection. Delivering 65 kAIC at 480V, this 100% rated breaker includes zone selective interlocking and true RMS sensing for reliable coordination.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | NGH312032EC |
| Series | NGH |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC |
| Amperage Range | 600-1200A |
|---|
| Frame Type | NG |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| For Use With | Eaton Pow-R-Line 4 Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Handle Mechanism |
|---|---|
| Accessories | Lugs Not Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, IEC, UL |
| Temp Rating | -20C to 70C |
| Construction Features | HACR Rated, Reverse Feed, True RMS Sensing, Visual Trip Indicator, Zone Selective Interlocking, 100% Rated |
Product FAQs
6 answersWhat does the "32" in the NGH312032EC catalog number indicate?
The "32" signifies that the breaker is equipped with a Digitrip 310+ electronic trip unit featuring Long-Time, Short-Time, and Instantaneous (LSI) protection functions.
Is the Eaton NGH312032EC standard rated or 100% rated?
The "C" suffix in the catalog number indicates that this breaker is 100% rated, allowing it to carry its full 1200A continuous current rating without the standard 80% derating.
What type of terminals are included with the NGH312032EC?
The "E" in the catalog number indicates it comes with Imperial tapped line and load conductors (stud/tapped pad connections). Lugs are not included and must be purchased separately.
Which lug kit is compatible with this 1200A NG-frame breaker?
For standard copper or aluminum wire applications, the Eaton TA1200NB1 lug kit is commonly used. It accepts four 4/0 AWG to 500 kcmil conductors per phase.
What is the direct replacement for the NGH312032EC?
The NGH312032EC is a legacy Series G NG-frame breaker. Eaton has superseded this model with the Power Defense PDG53M1200E2CN.
What enclosures or panels are designed to accept the NGH312032EC?
This NG-frame breaker is designed for installation in Eaton Pow-R-Line 4 panelboards, switchboards, and motor control centers.
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