Federal Pacific HM632250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Bolt-On
Federal Pacific
HM632250
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
HM632250
Quantity
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Federal Pacific HM632250 - 250A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial facilities, the HM632250 is a 250A, 3-pole MCCB by Federal Pacific. It provides dependable power distribution for 600VAC electrical systems. Designed to mount into legacy Federal Pacific panelboards, this bolt-on breaker ensures a precise fit. It acts as a seamless substitute for the obsolete NM632250, eliminating the hassle of retrofitting older enclosures. The unit utilizes an interchangeable thermal-magnetic trip mechanism and handles fault currents up to 22kA at 480V.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | HM632250-R |
| Series | HM |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 35kA @ 240VAC, 22kA @ 480VAC, 22kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Switchgear / Panelboards |
| Wire Gauge | 250-500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40°C |
| Construction Features | Interchangeable Trip |
Product FAQs
4 answersCan the HM632250 replace an obsolete NM632250 circuit breaker?
Yes. The HM632250 is designed to mount into legacy Federal Pacific panelboards and serves as a direct substitute for the obsolete NM632250, eliminating the need to retrofit older enclosures.
How do the LI trip functions operate on the HM632250?
The LI designation indicates that the thermal magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. The thermal element is fixed, while the magnetic instantaneous trip is adjustable.
Which enclosures are compatible with this H-Frame breaker?
The HM632250 is a bolt-on molded case circuit breaker specifically designed for installation in legacy Federal Pacific switchgear and panelboards.
What wire gauge range is supported by the load side lugs?
The factory-installed load side lug terminals on this breaker accept wire sizes ranging from 250 kcmil to 500 kcmil.
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