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Eaton / Cutler-Hammer CCH3125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CCH3125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CCH3125
Quantity
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Eaton / Cutler-Hammer CCH3125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Eaton / Cutler-Hammer CCH3125 - 125A 3 Pole Molded Case Circuit Breaker
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| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CCH3125-R |
| Series | CCH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | CC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Type ECC Unit Enclosures, Commercial Meter Stacks |
| Wire Gauge | 2/0 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 2/0 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 | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Tenant Main |
Sold out
Quantity
Eaton / Cutler-Hammer CCH3125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CCH3125-R |
| Series | CCH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | CC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Type ECC Unit Enclosures, Commercial Meter Stacks |
| Wire Gauge | 2/0 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 2/0 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 | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Tenant Main |
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175A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
Description
Built for commercial metering, the Eaton CCH3125 is a 3-pole, 125A molded case circuit breaker. It features fixed thermal-magnetic trip functions to protect against overloads and short circuits, and includes lugs for 2/0 AWG to 300 kcmil wire. This bolt-on MCCB mounts into Type ECC unit enclosures and commercial meter stacks. It is officially replaced by the CVH3125X but remains an exact fit for legacy CCH hardware. Rated 25kAIC at 240VAC, it provides robust tenant main protection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CCH3125-R |
| Series | CCH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | CC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Type ECC Unit Enclosures, Commercial Meter Stacks |
| Wire Gauge | 2/0 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 2/0 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 | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Tenant Main |
Product FAQs
6 answersWhat equipment is the Eaton CCH3125 circuit breaker designed to fit?
This bolt-on CC-frame breaker is designed for installation in Type ECC unit enclosures and commercial meter stacks, including 37MM and 37SS three-phase modular metering stacks.
What is the modern replacement for the legacy CCH3125 breaker?
The CCH3125 has been officially replaced by the Eaton CVH3125X. The CVH3125X is an exact fit for legacy CCH hardware and serves as a direct drop-in replacement for tenant main applications.
What wire sizes and materials are compatible with the CCH3125 lugs?
The included feed-thru lugs accept both copper and aluminum (Cu/Al) conductors ranging from 2/0 AWG to 300 kcmil.
Can the thermal-magnetic trip settings on the CCH3125 be adjusted?
No. This breaker features fixed thermal and fixed magnetic trip elements for its long-time and instantaneous protection functions. The trip points cannot be modified in the field.
What is the typical application for a CC-frame CCH3125 breaker?
It is primarily utilized as a tenant main breaker in commercial group metering stacks or as a main disconnect in compatible power distribution panels.
How is the CCH3125 mounted within an enclosure?
The breaker features a bolt-on mounting style with a feed-thru connection, providing a secure mechanical and electrical installation in commercial metering equipment.
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