Federal Pacific NN633120 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Federal Pacific NN633120 - 1200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
The NN633120 is a heavy-duty molded case circuit breaker designed for commercial power distribution. Manufactured by Federal Pacific, this 3-pole, 1200A device provides reliable long-time and instantaneous (LI) protection. Designed as an exact replacement, it installs into legacy Federal Pacific switchgear and CDP panelboards. This bolt-on configuration ensures a secure connection without needing aftermarket adapters. Rated 30 kAIC at 480VAC, it features a non-interchangeable trip unit.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NN633120-R |
| Series | NN |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 30kA @ 480VAC |
| Frame Type | NN |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Switchgear, Federal Pacific CDP Panelboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Lug Kit |
|---|---|
| Accessories | Lugs Not Included |
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards accept the NN633120 circuit breaker?
The NN633120 is engineered specifically for use in legacy Federal Pacific CDP panelboards and Federal Pacific switchgear assemblies.
What mounting hardware is required to install the NN633120 in a CDP panelboard?
To mount this breaker into a Federal Pacific CDP panelboard, you will need a compatible bus connection hardware kit, such as the KCDP-5C link kit, which is designed specifically for NM and NN-frame breakers.
Is the thermal-magnetic trip unit on the NN633120 adjustable?
The breaker features a non-interchangeable trip unit where the thermal protection for long-time overcurrents is fixed, but the magnetic instantaneous trip function is adjustable. This allows electricians to fine-tune the short-circuit response to coordinate with other protective devices in the system.
Can the NN633120 be used to upgrade legacy Federal Pacific H-frame breakers?
Yes, the NN633120 serves as a designated substitute for older Federal Pacific H-frame breakers, like the HN633120, when upgrading existing Federal Pacific switchgear or distribution panels.
Which lug kit is compatible with the NN633120 circuit breaker?
The NN633120 utilizes lug terminal connections. For replacement or new installations, the Federal Pacific N32 lug kit is the standard hardware used for NN-frame circuit breakers.
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