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Siemens QRH22B125L Molded Case Circuit Breaker
- 125A
- 2 Pole
- Unit Mount
Siemens
QRH22B125L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH22B125L
Quantity
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Siemens QRH22B125L - 125A 2 Pole Molded Case Circuit Breaker
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Description
Designed for standalone mounting, this 125-amp unit-mount MCCB comes equipped with 3TA1QR300 line and load lugs for immediate wire termination. The device integrates seamlessly into Siemens enclosures, meter centers, and industrial switchboards requiring a 25kAIC rating at 240VAC. Built for reverse feed applications, it effectively replaces the older QJH22B125L frame while maintaining strict UL 489 standards.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH22B125L |
| Series | QRH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | QR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Meter Centers, Switchboards |
| Wire Gauge | 3 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 3 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 | Line and Load Lugs Included (3TA1QR300) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
4 answersDoes the QRH22B125L replace older Siemens circuit breakers?
Yes, the QR frame is the direct replacement for the legacy QJ frame. The QRH22B125L effectively replaces the older QJH22B125L circuit breaker.
What does the L at the end of the QRH22B125L catalog number indicate?
The L signifies that the breaker comes factory-equipped with line and load lugs (part number 3TA1QR300) for immediate wire termination.
Can the QRH22B125L be reverse fed?
Yes, this unit mount molded case circuit breaker is built to support reverse feed applications.
Are there other versions of this breaker with different interrupting ratings?
Yes, the QR22B125L is the standard 10kAIC version, the QRH22B125L is the high-interrupting 25kAIC version, and the HQR22B125L is the extra-high 65kAIC version.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
1 review
- CMChani M.Verified BuyerReviewingSiemens QRH23B150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/25Worked just as we needed it to.
Great buy.