Eaton / Cutler-HammerCHH3150H2X
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Eaton / Cutler-Hammer CHH3150H2 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH3150H2
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH3150H2
Quantity
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Eaton / Cutler-Hammer CHH3150H2 - 150A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial applications, the Eaton CHH3150H2 is a 150A thermal-magnetic MCCB operating as a dependable tenant main. This bolt-on breaker mounts into Eaton 37MM and 37SS modular metering stacks. It includes load-side lugs and accepts #2 AWG to 300 kcmil wire. For legacy setups, it is replaced by the CVS3150X. Delivering a 25kAIC rating at 240V, it features fixed long-time and instantaneous (LI) trip functions. The unit is HACR rated and UL 489 listed.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH3150H2 |
| Series | CHH |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side 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, Visual Trip Indicator |
Product FAQs
6 answersWhat metering equipment is the CHH3150H2 breaker designed for?
This bolt-on breaker is specifically designed to serve as a tenant main circuit breaker in Eaton 37MM and 37SS commercial modular metering stacks.
What wire sizes and conductor materials are supported by the CHH3150H2 lugs?
The factory-installed terminal lugs accept both copper (Cu) and aluminum (Al) wire, accommodating conductor sizes from #2 AWG up to 300 kcmil.
Can the trip settings on the CHH3150H2 be adjusted in the field?
No, this breaker features a fixed thermal-magnetic trip unit. The long-time and instantaneous (LI) trip functions are factory-set and cannot be modified.
Is the CHH3150H2 branded as Eaton or Cutler-Hammer?
Eaton acquired Cutler-Hammer, so you may see this breaker branded under either name. Both represent the exact same CHH-frame component and are fully interchangeable in your metering stack.
How does the thermal-magnetic trip unit in the CHH3150H2 protect the circuit?
The thermal element provides delayed tripping to protect against prolonged overloads, while the magnetic element delivers an instantaneous trip response to safely clear severe short circuits.
Does the CHH3150H2 require a specific mounting method?
Yes, it uses a bolt-on mounting configuration. It is designed to bolt directly to the bus in compatible Eaton commercial meter stack modules.
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