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Siemens QJH22B125 Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Siemens
QJH22B125
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJH22B125
Quantity
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Siemens QJH22B125 - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens QJH22B125 - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJH22B125 |
| Series | QJH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers, Meter Centers |
| Wire Gauge | 6 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 6 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
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Siemens QJH22B125 - 125A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJH22B125-R |
| Series | QJH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers, Meter Centers |
| Wire Gauge | 6 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 6 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
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Description
Engineered for commercial distribution, the Siemens QJH22B125 provides reliable thermal-magnetic protection for branch and feeder circuits. This 125A, 2-pole molded case circuit breaker features a 22kAIC rating at 240VAC. It installs into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. As a legacy QJ-frame device, it is officially replaced by the QRH22B125 model. The unit includes fixed trip functions and is HACR rated for HVAC applications.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJH22B125 |
| Series | QJH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers, Meter Centers |
| Wire Gauge | 6 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 6 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
Product FAQs
7 answersWhat is the difference between the Siemens QJ22B125 and QJH22B125?
The primary difference is the interrupting capacity. The standard QJ22B125 is rated for 10kAIC at 240VAC, while the QJH22B125 features a higher interrupting rating of 22kAIC at 240VAC.
What is the direct replacement for the legacy QJH22B125?
The QJH22B125 is a legacy QJ-frame breaker that has been officially replaced by the QR-frame QRH22B125. Note that installing a newer QR-frame breaker into older panels may require a retrofit mounting kit.
Which Siemens panelboards accept the QJH22B125 breaker?
This bolt-on molded case circuit breaker is compatible with Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards, motor control centers, and meter centers.
What wire gauge is supported by the lugs on the QJH22B125?
The standard load side lugs accept 6 AWG to 300 kcmil copper conductors, and 4 AWG to 300 kcmil aluminum conductors.
What mounting kit is required to install this breaker as a main or subfeed in a P1 panelboard?
When installing a QJ-frame breaker as a main or subfeed in a Next Generation P1 panelboard, the Siemens MBKQJ1A mounting kit is typically required.
Can the QJH22B125 be reverse fed?
Yes, this breaker features a non-interchangeable trip unit and is rated for reverse feed applications.
Is the QJH22B125 HACR rated for HVAC equipment?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Total 5 star reviews: 4 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
4 reviews
- JKJeannine K.Verified BuyerReviewingSiemens QJH23B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/14/26Siemens Breaker
Breaker was a new surplus as described. Fast shipping & handling
- BLBob L.Verified BuyerReviewingSiemens QJH23B100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/15/26Exactly what I needed / Great service
Excellent experience purchasing the Siemens QJH23B100. The breaker was well-packaged, priced competitively, and arrived right on schedule. It's already installed and operating perfectly. Five stars for both the product and SuperBreakers.
- WEWarren E.ReviewingSiemens QJH23B225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/17/20Great stock along with Great
Great stock along with Great customer service.
- EDEddie D.ReviewingSiemens QJH23B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/27/17Fast delivery
Great service fast delivery and received exact item for a great price.