Eaton / Cutler-HammerCHH2150H4X
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Eaton / Cutler-Hammer CHH2175H4X Molded Case Circuit Breaker
- 175A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH2175H4X
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH2175H4X
Quantity
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Eaton / Cutler-Hammer CHH2175H4X - 175A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial applications, the 175A CHH2175H4X provides thermal-magnetic protection with an upgraded 42kAIC interrupt capacity. It is designed to operate safely as a tenant main disconnect in multi-family or commercial buildings. This bolt-on MCCB installs into Eaton 1MM, 35MM, 37MM, and 37SS modular metering stacks. It is commonly replaced by the CVS2175XMM in newer setups. The breaker is HACR rated for air conditioning loads and features fixed thermal and magnetic trip units.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH2175H4X |
| Series | CHH |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 42kA @ 240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (1MM, 35MM, 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, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, High Interrupting Capacity |
Product FAQs
7 answersWhat metering equipment is the CHH2175H4X compatible with?
This breaker is designed to install directly into Eaton Modular Metering Stacks. It is compatible with the 1MM, 35MM, 37MM, and 37SS series enclosures, typically functioning as a tenant main disconnect.
What wire sizes and materials do the lugs on this breaker accept?
The terminals accommodate wire sizes ranging from #2 AWG up to 300 kcmil. The lugs are rated for both copper and aluminum conductors.
What is the modern replacement for the CHH2175H4X breaker?
In newer Eaton metering setups, the CHH2175H4X is commonly replaced by the CVS2175XMM molded case circuit breaker.
Is this breaker rated for HVAC applications?
Yes, the CHH2175H4X is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment loads.
What does the 42kAIC rating mean for this metering breaker?
The 42kAIC rating indicates the breaker can safely interrupt up to 42,000 amps of fault current at 240V AC. This high interrupt capacity is often required in commercial and multi-family buildings where available fault currents exceed standard 10kAIC limits.
How is the CHH2175H4X secured inside the metering stack?
This is a bolt-on circuit breaker. It bolts directly to the busbars inside the modular metering stack to provide a secure, high-amperage connection for the tenant main.
Are the trip settings on this breaker adjustable?
No, the CHH2175H4X features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous protection without adjustable dials.
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