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Eaton / Cutler-Hammer CHH3150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH3150
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH3150
Quantity
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Eaton / Cutler-Hammer CHH3150 - 150A 3 Pole Molded Case Circuit Breaker
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Description
Designed to handle demanding electrical loads, the 150A CHH3150 offers premium thermal-magnetic protection. This three-pole breaker is HACR rated and serves effectively as a tenant main in residential or commercial facilities. It fastens securely into Eaton 35MM, 37MM, and 37SS modular metering stacks using a standard bolt-on configuration. For system modernization, this specific model is replaced by the CVH3150XMM. With a formidable 100 kAIC interrupting capacity, it isolates severe faults.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH3150 |
| Series | CHH |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (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 Included |
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, High Interrupting Capacity |
Product FAQs
7 answersWhat enclosures are compatible with the CHH3150 circuit breaker?
This breaker is specifically designed to serve as a tenant main in Eaton modular metering stacks, including the 35MM, 37MM, and 37SS series.
What is the direct replacement for the legacy CHH3150 breaker?
For system modernization and legacy panel upgrades, the CHH3150 is officially replaced by the Eaton CVH3150XMM.
What does the 100kAIC rating signify for this breaker?
The 100kAIC interrupting capacity indicates this breaker can safely clear severe fault currents up to 100,000 amps at 240VAC. This high rating makes it suitable for commercial metering applications with high available fault current.
Can I use aluminum conductors with the CHH3150?
Yes, the standard feed-thru lugs are dual-rated for both copper and aluminum (Cu/Al) wire, accepting sizes from #2 AWG up to 300 kcmil.
Can the trip curve on the CHH3150 be adjusted for specific load requirements?
No, this breaker features a fixed thermal-magnetic trip unit. The long-time and instantaneous trip functions are factory calibrated and cannot be modified in the field.
How does the CHH3150 connect to the metering stack bus?
It utilizes a secure bolt-on connection to attach directly to the busbar in compatible modular metering enclosures, ensuring a reliable connection for high-amperage tenant mains.
What safety standards does the CHH3150 meet?
This breaker is UL 489 listed for use as a molded case circuit breaker and is HACR rated for safe operation with heating, air conditioning, and refrigeration equipment.
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