Eaton / Cutler-HammerCHH2175H4X
Eaton / Cutler-Hammer CHH2175H2X Molded Case Circuit Breaker
- 175A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH2175H2X
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH2175H2X
Quantity
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Eaton / Cutler-Hammer CHH2175H2X - 175A 2 Pole Molded Case Circuit Breaker
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Description
Part of the CHH series, this 175A, 2-pole molded case circuit breaker delivers robust thermal-magnetic protection for residential and commercial applications. It is specifically engineered to function as a tenant main disconnect. This bolt-on breaker mounts into Eaton 1MP and 1MM modular metering stacks. For legacy installations, it is frequently replaced by the CVS2175XMM model. Rated for 25kAIC at 240VAC, it features fixed trip settings and is fully HACR rated for HVAC equipment.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2175H2X |
| Series | CHH |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Modular Metering Stacks (1MP, 1MM) |
| 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 |
| 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
6 answersWhat equipment is the CHH2175H2X breaker designed to fit?
This breaker is specifically designed for use as a tenant main breaker in Eaton and Cutler-Hammer modular metering stacks, including the 1MP and 1MM series.
What wire sizes are compatible with the lugs on this 175A breaker?
The factory-installed lugs accept wire gauges from 2/0 AWG up to 300 kcmil. The terminals are dual-rated for either copper or aluminum conductors.
How is this tenant main breaker installed into the metering stack?
The CHH2175H2X utilizes a bolt-on connection. It bolts directly to the internal bus of the modular metering stack, providing a secure, high-amperage connection that prevents loosening over time.
What does the LI trip function mean on this thermal-magnetic breaker?
The LI designation stands for Long-Time and Instantaneous trip functions. The thermal component provides Long-Time protection against sustained overloads, while the magnetic component provides Instantaneous protection to trip immediately during a severe short circuit.
Are Eaton and Cutler-Hammer CHH2175H2X breakers the exact same part?
Yes. Eaton acquired Cutler-Hammer, and they continue to manufacture this exact tenant main breaker under the same CHH2175H2X catalog number. They are physically and electrically identical.
Does this breaker require a specific torque setting for the lug connections?
Yes. To ensure a safe and code-compliant installation, the wire lugs must be tightened to the manufacturer-specified torque value printed directly on the breaker label. Improper torque can lead to overheating or arcing.
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