Eaton / Cutler-Hammer NGS308032EC Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer NGS308032EC - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for demanding industrial environments, the Eaton NGS308032EC is a 3-pole, 800A molded case circuit breaker that carries a 100% continuous current rating. It mounts into Series G panelboards and switchboards, effectively replacing the older CND308032 model. This NG-frame breaker features a Digitrip 310+ electronic trip unit with adjustable Long-Time, Short-Time, and Instantaneous (LSI) settings, allowing for superior selective coordination. Rated 50kAIC at 480VAC.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | NGS |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 320-800A |
|---|
| Terminal Type | Stud/Tapped Pad |
|---|---|
| For Use With | Eaton Series G 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, Lugs, Padlock Attachment |
|---|---|
| Accessories | Imperial Tapped Terminals |
| 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, HACR Rated, Reverse Feed, True RMS Sensing |
Product FAQs
6 answersHow does the LSI trip unit on the NGS308032EC benefit system coordination?
The electronic LSI (Long-Time, Short-Time, Instantaneous) trip unit allows panel builders to independently adjust the time-current curve. This flexibility is critical for achieving selective coordination with upstream and downstream protective devices.
Does the NGS308032EC include mechanical wire lugs out of the box?
No. The breaker is supplied with stud and tapped pad terminals for busbar connections. If your application requires standard cable terminations, you will need to purchase compatible Eaton NG-frame lug kits separately.
What type of enclosures and equipment accept the NGS308032EC?
This bolt-on NG-frame circuit breaker is designed specifically for use in Eaton Series G panelboards, switchboards, and motor control centers.
What type of current sensing does the NGS308032EC utilize?
The integrated Digitrip 310 RMS electronic trip unit uses true RMS sensing. This ensures highly accurate overcurrent protection, even in electrical systems experiencing high harmonic distortion from non-linear loads.
What does the "32" in the NGS308032EC catalog number represent?
In Eaton Series G nomenclature, the "32" suffix indicates the breaker is configured with an electronic LSI trip unit, providing adjustable Long-Time, Short-Time, and Instantaneous protection.
Is the NGS308032EC rated for 100 percent continuous operation?
Yes, this specific catalog number is 100 percent rated. It is approved to carry its full 800A continuous current rating when installed in a properly sized and ventilated enclosure, unlike standard 80 percent rated breakers.
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