Eaton / Westinghouse QCC3150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Eaton / Westinghouse QCC3150 - 150A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Part of the Quicklag family, the Eaton QCC3150 150A, 3-pole molded case breaker serves tenant main applications. It delivers reliable thermal-magnetic protection with a 10kAIC rating at 240VAC. This unit-mount breaker features a feed-thru connection and installs into Eaton meter stacks and Type ECC unit enclosures. As a legacy component, it provides an exact replacement for the discontinued CC3150, ensuring proper fit and restoring panel identity without adapters.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | QCC3150-R |
| Series | QCC |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QCC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Meter Stacks, Type ECC Unit Enclosures |
| Wire Gauge | #4 AWG - 4/0 AWG (Cu/Al) |
| Max Wire | 4/0 AWG |
| Min Wire | 4 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, Undervoltage Release |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, Feed-Thru Connection |
Product FAQs
5 answersWhat enclosures and equipment are compatible with the QCC3150 circuit breaker?
The QCC3150 is designed for use in Eaton meter stacks and Type ECC unit enclosures. It is commonly used for tenant main and feed-thru applications in these systems.
Can the QCC3150 replace older Cutler-Hammer or Westinghouse breakers?
Yes, the Eaton QCC3150 is a direct replacement for legacy Cutler-Hammer and Westinghouse breakers with the same frame size, including the discontinued CC3150. It restores panel functionality without the need for modern adapters.
What wire sizes do the lugs on the QCC3150 accept?
The factory lugs on this breaker accept #4 AWG through 4/0 AWG copper or aluminum wire. Always verify proper torque specifications during installation as required by the manufacturer.
Is the QCC3150 rated for use on 480V electrical systems?
No, this breaker has a maximum voltage rating of 240V AC. It is not suitable for 480V or 600V applications.
How does the QCC3150 mount inside an enclosure?
This is a unit mount, feed-thru circuit breaker. It mounts independently using fasteners rather than plugging directly onto a busbar, making it ideal for specific main breaker configurations.
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