Eaton / Cutler-Hammer BWH2225 Molded Case Circuit Breaker
- 225A
- 2 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer BWH2225 - 225A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for service entrances, the Eaton BWH2225 is a 2-pole, 225A main circuit breaker delivering robust thermal-magnetic protection. This bolt-on breaker installs into Eaton Type BR load centers, ECB unit enclosures, and modular meter stacks. It accepts 2 AWG to 300 kcmil wire. Note that this legacy BWH frame is commonly replaced by the CSR2225N in newer installations. Rated for 25kAIC at 120/240V, this HACR-rated breaker ensures high interrupting capacity and meets UL 489 standards.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | BWH2225 |
| Series | BWH |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 120/240VAC |
| Frame Type | BW |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Type BR Load Centers, ECB Unit Enclosures, Meter Stacks, Meter Breakers |
| Wire Gauge | 2 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 2 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Bell Alarm |
|---|---|
| Accessories | Lugs Included |
| Standards | Federal Specification W-C375, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Main Breaker, HACR Rated, High Interrupting Capacity |
Product FAQs
5 answersCan the BWH2225 be used as a service disconnect?
Yes, when installed in compatible Eaton Type BR load centers or ECB unit enclosures, this main breaker protects the entire panel and is approved for use as a service entrance disconnect.
What is the difference between the BW2225 and BWH2225 main breakers?
The primary difference is the interrupting capacity. The BW2225 is rated for 10 kAIC, while the BWH2225 is rated for 25 kAIC. Both share the same physical footprint and bolt-on mounting for Eaton load centers.
Is there a direct replacement for the legacy BWH2225?
Yes, the CSR2225N is the modern replacement for the legacy BWH frame. It provides the same 225A rating and 25 kAIC interrupting capacity for newer installations and service upgrades.
Why would a residential panel require a 25 kAIC main breaker like the BWH2225?
A 25 kAIC rating is often required by local utilities when the service entrance is located close to a step-down transformer. The shorter distance reduces wire impedance, resulting in higher available fault currents that exceed the limits of standard 10 kAIC or 22 kAIC breakers.
Are the line lugs included with the BWH2225?
Yes, the breaker includes factory-installed mechanical line lugs that accept 2 AWG to 300 kcmil copper or aluminum wire. Always apply a listed oxide-inhibiting joint compound when terminating aluminum service conductors.
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