Eaton / Cutler-Hammer CHH2125 Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH2125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH2125
Quantity
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Eaton / Cutler-Hammer CHH2125 - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Eaton / Cutler-Hammer CHH2125 - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2125 |
| Series | CHH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120/240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (1MP, 1MM) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated, High Interrupting Capacity |
Sold out
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Eaton / Cutler-Hammer CHH2125 - 125A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2125-R |
| Series | CHH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120/240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (1MP, 1MM) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated, High Interrupting Capacity |
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Description
Part of the CH family, the Eaton CHH2125 is a 125A, two-pole molded case circuit breaker offering thermal-magnetic protection. This bolt-on unit mounts into Eaton 1MP and 1MM modular metering stacks, serving as a tenant main. For facility upgrades, it is replaced by the CVH2125XMM model. Boasting a high interrupting capacity of 100 kAIC at 120/240VAC, it safely handles severe fault currents. The breaker is also HACR rated for use with HVAC equipment.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2125 |
| Series | CHH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120/240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (1MP, 1MM) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated, High Interrupting Capacity |
Product FAQs
7 answersWhat enclosures are compatible with the CHH2125 circuit breaker?
The Eaton CHH2125 is designed for use as a tenant main breaker in Eaton 1MP (Meter Packs) and 1MM (Modular Metering) stacks. It features a bolt-on mounting style that integrates securely into these commercial and residential metering centers.
What is the difference between the CH2125 and the CHH2125?
While both are 125A, 2-pole breakers, the standard CH2125 is a plug-on breaker with a 10kAIC rating. The CHH2125 is a bolt-on tenant main breaker with a 100kAIC interrupting rating, specifically built for modular metering stacks.
What does the 100kAIC rating on the CHH2125 signify for metering applications?
The 100kAIC rating means this breaker can safely interrupt up to 100,000 amps of fault current at 240V. This high interrupting capacity is often required in commercial and multi-tenant metering applications where available fault currents at the service entrance are higher than in standard residential panels.
Does the CHH2125 require a specific mounting method?
Yes, the CHH2125 uses a bolt-on mounting style. Unlike standard plug-on branch breakers, it must be bolted directly to the busbar in compatible Eaton metering stacks to ensure a secure connection for tenant main applications.
Are the trip settings on the CHH2125 adjustable?
No, the CHH2125 features a fixed thermal magnetic trip unit. It provides standard Long Time and Instantaneous (LI) protection, but the trip thresholds cannot be adjusted in the field.
Can the CHH2125 be used to replace older Cutler-Hammer tenant main breakers?
Yes, the CHH2125 is a direct form, fit, and functional replacement for older Cutler-Hammer CHH series 125A tenant main breakers in compatible 1MP and 1MM modular metering equipment.
What safety precautions should be taken when installing the CHH2125 in a metering stack?
Installation should only be performed by a qualified electrician. Ensure all power to the metering stack is completely de-energized before bolting on the breaker. Verify that the 100kAIC rating meets or exceeds the available fault current at the service entrance to comply with local electrical codes.
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