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Eaton / Westinghouse HLB3225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
HLB3225
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
HLB3225
Quantity
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Eaton / Westinghouse HLB3225 - 225A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Part of the renowned Mark 75 family, this 225-amp industrial breaker facilitates the maintenance of aging power networks. It operates seamlessly inside vintage Westinghouse motor control centers. Selecting this exact match preserves the original panel layout and circumvents the need for a TAD3 spacer kit, which the newer KD3225 alternative demands. The standard bolt-on mounting ensures a rigid connection to the bus.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | HLB3225-R |
| Series | HLB |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | LB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 1 AWG - 600 kcmil (Al/Cu) or (2) 1 AWG - 250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 1 AWG |
| 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
5 answersWhat types of equipment are compatible with the HLB3225 breaker?
This bolt-on breaker is designed for installation in legacy Westinghouse panelboards, switchboards, and motor control centers that are configured to accept L-frame molded case circuit breakers.
Can the trip settings on the HLB3225 be adjusted in the field?
Yes, while the thermal overload trip is fixed at 225 amps, the magnetic instantaneous short circuit trip is adjustable. This allows electricians to fine-tune the response time to coordinate with other protective devices in the electrical system.
What is the difference between the standard LB3225 and the HLB3225?
The HLB3225 is the high-interrupting version of the standard LB3225. It shares the exact same physical dimensions and mounting footprint but safely interrupts higher fault currents, making it suitable for systems with higher available short-circuit current.
Can this breaker replace older Cutler-Hammer versions of the HLB3225?
Yes. Eaton acquired the Westinghouse electrical distribution division and integrated it into their Cutler-Hammer line. An Eaton, Cutler-Hammer, or Westinghouse HLB3225 are physically and electrically interchangeable.
What does the Mark 75 family designation mean?
The Mark 75 label was historically used by Westinghouse to identify their line of high-interrupting molded case circuit breakers. It indicates the breaker is built to handle severe short-circuit conditions in commercial and industrial facilities.
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