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Eaton / Cutler-Hammer CHH3150H4X Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH3150H4X
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH3150H4X
Quantity
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Eaton / Cutler-Hammer CHH3150H4X - 150A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial power distribution, the Eaton CHH3150H4X serves as a 150A, 3-pole molded case circuit breaker. It features thermal-magnetic trip technology with fixed long-time and instantaneous functions, delivering a 42 kAIC interrupting capacity at 240VAC. This bolt-on breaker is specifically engineered to act as a tenant main disconnect. It installs into Eaton 37MM and 37SS modular metering stacks. For modern upgrades, this unit crosses to the newer CVS3150X model. It is HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH3150H4X |
| Series | CHH |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 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 |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated, High Interrupting Capacity, Visual Trip Indicator |
Product FAQs
6 answersWhat is the primary application for the Eaton CHH3150H4X circuit breaker?
This bolt-on breaker is specifically engineered to act as a tenant main disconnect in commercial power distribution systems. It is designed to install directly into Eaton 37MM and 37SS three-phase modular metering stacks.
Is there a direct replacement or newer model for the CHH3150H4X?
Yes, for modern upgrades or replacements, the CHH3150H4X crosses over to the newer Eaton CVS3150X molded case circuit breaker. Both models serve as 150A tenant main disconnects for 37MM and 37SS metering stacks.
What wire sizes are accepted by the lugs on the CHH3150H4X?
The factory-installed lugs accept copper or aluminum wire ranging from 2 AWG up to 300 kcmil.
Is the Cutler-Hammer CHH3150H4X suitable for HVAC applications?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment that requires a 150A, 3-phase disconnect.
What type of trip unit is equipped on the CHH3150H4X?
It features a fixed thermal magnetic trip unit with Long-Time and Instantaneous (LI) trip functions. The trip settings are factory-calibrated and cannot be adjusted in the field.
Do I need a separate mounting hardware kit to install this breaker into a 37MM meter stack?
No, additional mounting hardware kits are not required when installing this breaker into Eaton 35MM, 37MM, or 37SS modular metering stacks.
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