Eaton / Cutler-HammerCHH2125H4X
Eaton / Cutler-Hammer CHH2125H2X Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH2125H2X
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH2125H2X
Quantity
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Eaton / Cutler-Hammer CHH2125H2X - 125A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, the Eaton CHH2125H2X is a 125A, two-pole molded case circuit breaker with fixed thermal-magnetic trip units. This bolt-on breaker is configured to fit Eaton 37MM and 37SS three-phase modular metering stacks as a tenant main disconnect. When sourcing replacements, it is superseded by the CVS2125XMM. With a 25 kAIC rating at 120/240VAC, it ensures safe operation under fault conditions and is fully HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2125H2X |
| Series | CHH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Modular Metering Stacks (37MM, 37SS) |
| 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated |
Product FAQs
6 answersWhat equipment is the CHH2125H2X circuit breaker designed to fit?
This breaker is specifically designed for use as a tenant main disconnect in Eaton 37MM and 37SS three-phase commercial modular metering stacks.
Is there a direct replacement or newer model for the CHH2125H2X?
Yes, when sourcing replacements for this specific tenant main breaker, it is superseded by the Eaton CVS2125XMM.
What type of wire connections does this breaker accept?
The breaker features feed-through lugs that accept #2 AWG to 300 kcmil copper or aluminum (Cu/Al) wire.
How does this breaker mount into the metering stack?
It utilizes a bolt-on mounting design, providing a secure, hardwired connection to the busbar in commercial metering applications.
What type of trip unit does this breaker use?
It is equipped with a non-interchangeable thermal-magnetic trip unit that provides fixed long-time and instantaneous (LI) protection against overloads and short circuits.
What safety standards does this Eaton tenant main breaker meet?
This breaker is UL listed and CSA approved for safe use in commercial and industrial electrical distribution systems.
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