Eaton / Cutler-Hammer NGH312033EC Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer NGH312033EC - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for maximum continuous power, the Eaton NGH312033EC is a 1200A, 3-pole MCCB in the Series G family. It is engineered to integrate seamlessly into Pow-R-Line 4 panelboards, switchboards, and motor control centers. This 100% rated bolt-on breaker provides an exact fit for legacy installations and is currently replaced by the PDG53M1200E2CN. Featuring an adjustable LS electronic trip unit, it boasts a 65 kAIC capacity at 480V. True RMS sensing provides advanced system coordination.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| 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 | NGH |
|---|---|
| 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 | LS |
| Trip Function | Long-Time, Short-Time |
| 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
8 answersWhat does the "33" in the NGH312033EC catalog number signify?
The "33" indicates that the breaker is equipped with a Digitrip 310 RMS electronic trip unit featuring LS (Long-Time and Short-Time) protection functions.
Is the Eaton NGH312033EC a 100% rated circuit breaker?
Yes. The "C" suffix at the end of the catalog number designates this as a 100% rated breaker, meaning it is approved for continuous operation at its full 1200A capacity when installed in an appropriately sized and ventilated enclosure.
What does the "E" in the NGH312033EC catalog number represent?
The "E" indicates that the breaker is equipped with imperial tapped line and load terminals, as opposed to metric threading.
Does the NGH312033EC come with mechanical lugs for wire termination?
No, this breaker features stud/tapped pad terminals and does not ship with lugs. If you are not connecting it directly to busbars, you must purchase the appropriate imperial-threaded mechanical or compression lugs separately.
Can the NGH312033EC be reverse fed?
Yes, all Eaton Series G NG-frame circuit breakers, including the NGH312033EC, are suitable for reverse feed applications.
What types of enclosures and equipment is this breaker designed for?
The NGH312033EC is designed for integration into Eaton Pow-R-Line 4 panelboards, switchboards, and motor control centers.
What is the difference between the NGH312033EC and the NGC312033EC?
Both are 1200A, 3-pole NG-frame breakers with LS electronic trip units, but they have different interrupting capacities. The NGH is rated for 65 kAIC at 480V, while the NGC is a higher-tier frame rated for 100 kAIC at 480V.
Are the trip settings on the NGH312033EC adjustable?
Yes, the integrated Digitrip 310 RMS electronic trip unit allows for adjustable Long-Time and Short-Time pickup and delay settings to ensure selective coordination within your distribution system.
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