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Eaton / Cutler-Hammer CAH3225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
CAH3225
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CAH3225
Quantity
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Eaton / Cutler-Hammer CAH3225 - 225A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Sold out
Quantity
Eaton / Cutler-Hammer CAH3225 - 225A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CAH3225 |
| Series | CAH |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Cutler-Hammer Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG-350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity |
Quantity
Eaton / Cutler-Hammer CAH3225 - 225A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CAH3225-R |
| Series | CAH |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Cutler-Hammer Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG-350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity |
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Description
Built for heavy-duty commercial and industrial environments, this three-pole thermal-magnetic breaker offers dependable LI protection. It serves as a critical component for legacy Cutler-Hammer panelboards, switchboards, and motor control centers that utilize unit-mount hardware. Rated for 22kAIC at 240VAC, it accommodates 6 AWG to 350 kcmil conductors and provides a seamless maintenance solution for aging infrastructure, serving as the original counterpart to the modern FD3225.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CAH3225-R |
| Series | CAH |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Cutler-Hammer Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG-350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity |
Product FAQs
8 answersWhat type of enclosures or equipment will the CAH3225 mount into?
It is a unit mount breaker designed primarily for legacy Cutler-Hammer panelboards, switchboards, and motor control centers.
Can the CAH3225 be used in DC voltage systems?
No, this breaker is specifically rated for alternating current (AC) up to a maximum of 240V. It does not carry a DC voltage rating.
What conductor sizes are supported by the standard terminals?
The factory installed line and load lugs are rated for wire gauges from 6 AWG up to 350 kcmil. They are compatible with both copper and aluminum conductors.
How does the CAH3225 differ from the standard CA3225 breaker?
The distinction lies in their fault current interrupting capabilities. The CA3225 provides 10kAIC at 240V, while the CAH3225 is the high-interrupting version built to handle up to 22kAIC at the same voltage.
How do the trip functions operate on this model?
The breaker uses a thermal magnetic trip unit with Long-Time (thermal) and Instantaneous (magnetic) functions. Both of these trip setpoints are fixed and cannot be field-adjusted.
Do I need to order mounting lugs separately for this breaker?
No, it ships as a complete feed-thru assembly with both line side and load side lug terminals already installed.
Is the CAH3225 a current production breaker?
No, the Cutler-Hammer CAH series is a legacy C-Frame breaker family that is technically obsolete from new factory production, though exact replacements are still maintained for existing electrical infrastructure.
Are there any special requirements when terminating aluminum wire to this breaker?
Yes, whenever aluminum conductors are used, a listed joint compound or anti-oxidation paste must be applied to the wire before termination to ensure a safe, long-lasting connection.
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