Eaton / Challenger QFL23150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Eaton / Challenger
QFL23150
Molded Case Circuit Breaker
Brand
Eaton / Challenger
SKU
QFL23150
Quantity
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Eaton / Challenger QFL23150 - 150A 3 Pole Molded Case Circuit Breaker
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150A 3 Pole Molded Case Circuit Breaker
150A 3 Pole Molded Case Circuit Breaker
150A 3 Pole Molded Case Circuit Breaker
Description
Part of Eaton's legacy replacement lineup, the QFL23150 main breaker restores safe power distribution in residential and commercial applications. This 150A, three-pole unit supports older electrical systems requiring exact-fit components. It installs into discontinued Zinsco load centers, serving as a direct replacement for QFL and QFP series breakers. The unit-mount design ensures a proper fit without aftermarket adapters. The breaker features thermal-magnetic protection and a 10kAIC rating.Specifications
| Brand | Eaton / Challenger |
|---|---|
| Part Number | QFL23150 |
| Series | QFL |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Zinsco Load Centers |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Accessories | Lugs Included |
|---|---|
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Main Breaker, HACR Rated |
Product FAQs
5 answersWhat panels are compatible with the QFL23150 circuit breaker?
The QFL23150 is designed specifically for use in legacy Zinsco load centers and panelboards. It serves as a direct replacement for older Zinsco, Challenger, Sylvania, and Thomas & Betts breakers sharing the QFB frame.
Can the QFL23150 replace discontinued QFL and QFP series breakers?
Yes, this breaker is an exact-fit replacement for obsolete QFL and QFP series breakers originally manufactured by Zinsco, Challenger, Sylvania, and Thomas & Betts.
What wire sizes are accepted by the terminal lugs on the QFL23150?
The included lugs accommodate wire gauges ranging from 4 AWG up to 300 kcmil, allowing for flexibility when wiring into existing legacy electrical systems.
How does the thermal-magnetic trip unit function on this breaker?
The QFL23150 utilizes fixed thermal and fixed magnetic elements to provide standard LI (Long-Time and Instantaneous) protection. The thermal element responds to sustained overloads, while the magnetic element trips immediately during short-circuit events.
Does the QFL23150 require specialized adapters to fit into older Zinsco panels?
No, this plug-in, unit-mount breaker is designed to install directly into compatible Zinsco load centers and switchboards without requiring any aftermarket adapters or modifications.
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