Federal Pacific NM631700 Molded Case Circuit Breaker
- 700A
- 3 Pole
- Bolt-On
Quantity
Federal Pacific NM631700 - 700A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Delivering reliable overcurrent protection for industrial facilities, the Federal Pacific NM631700 is a 3-pole, 700A molded case circuit breaker. It comes equipped with a thermal-magnetic trip unit, providing essential long-time and instantaneous (LI) defense for heavy-duty electrical circuits. This legacy breaker installs into Federal Pacific NM panelboards and switchboards, ensuring exact fitment for older systems. It features a 30kAIC rating at 480VAC and accepts 3/0 AWG to 500 kcmil wire.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NM631700-R |
| Series | NM |
| Amperage | 700A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NM Panelboards and Switchboards |
| Wire Gauge | (3) 3/0 AWG-500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit |
Product FAQs
5 answersWhich panelboards accept the Federal Pacific NM631700 circuit breaker?
This N-frame breaker is specifically designed for installation in legacy Federal Pacific NM series panelboards and switchboards.
What are the wire size requirements for the NM631700 load lugs?
The load side lug terminals accommodate three conductors per phase, accepting wire gauges from 3/0 AWG up to 500 kcmil.
Can the trip settings on the NM631700 be adjusted in the field?
No, the thermal and magnetic settings are fixed. However, the breaker features an interchangeable trip unit design, allowing the entire LI (long-time and instantaneous) trip block to be swapped if different ratings are required.
What are the short circuit interrupting ratings for the NM631700?
This legacy N-frame breaker provides a standard interrupting capacity of 42kA at 240VAC, 30kA at 480VAC, and 22kA at 600VAC.
What mounting method is required for the NM631700?
This is a bolt-on molded case circuit breaker, requiring bolted connections directly to the panelboard bus for secure electrical contact.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- JGJoseph G.ReviewingFederal Pacific NM031500 Trip UnitI recommend this productRated 5 out of 5 stars2/1/18The best
Just what I expected