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Eaton / Westinghouse HFB31550ML Motor Circuit Protector
- 100A
- 3 Pole
- Unit Mount
Eaton / Westinghouse
HFB31550ML
Motor Circuit Protector
Brand
Eaton / Westinghouse
SKU
HFB31550ML
Quantity
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Eaton / Westinghouse HFB31550ML - 100A 3 Pole Motor Circuit Protector
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Description
Engineered for precise motor branch circuit protection, the Eaton HFB31550ML is a 3-pole, 100-amp instantaneous-trip device. As part of the legacy Mark 75 family, it provides dedicated short-circuit defense for industrial motors operating up to 600VAC. This unit mounts into standard motor control centers. It serves as an exact-fit replacement for older Cutler-Hammer and Westinghouse F-Frame installations. It offers an adjustable magnetic trip range spanning from 450 to 1550 amps.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | HFB31550ML-R |
| Series | HFB |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Amperage Range | 450-1550A |
|---|
| Frame Type | HFB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Motor Control Centers, Control Panels |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Magnetic Only |
|---|---|
| Trip Function Code | I |
| Trip Function | Instantaneous Only |
| Trip Adjustability | Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Mechanical Lugs (Line & Load) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Motor Circuit Protector |
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