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Siemens QRH23B125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Siemens
QRH23B125
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH23B125
Quantity
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Siemens QRH23B125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens QRH23B125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QRH23B125 |
| Series | QRH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 1 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 1 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip |
Quantity
Siemens QRH23B125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Series | QRH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 1 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 1 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip |
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Description
Part of the SENTRON family, this 125A molded case circuit breaker provides thermal-magnetic protection for commercial and industrial systems. It features fixed thermal and magnetic trip units to safeguard against overloads. The 3-pole breaker bolts into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. It serves as a drop-in replacement for the legacy QJH23B125 model. Rated 25kAIC at 240VAC, the QR-frame breaker includes load side lugs and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH23B125 |
| Series | QRH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 1 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 1 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip |
Product FAQs
6 answersWhich Siemens enclosures are compatible with this breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible switchboards and motor control centers.
Can this breaker replace older QJ frame models?
Yes, the QRH23B125 serves as a direct drop-in replacement for the legacy QJH23B125 circuit breaker.
What wire sizes and materials are accepted by the lugs on this breaker?
The included load side lugs accept aluminum or copper wire ranging from 1 AWG to 300 kcmil.
What type of trip unit is used in the QRH23B125?
It utilizes a non-interchangeable thermal magnetic trip unit with fixed long-time and instantaneous trip functions to protect against overloads and short circuits.
Can the QRH23B125 be used in reverse feed applications?
Yes, this breaker is rated for reverse feed applications. Always verify compatibility with your specific panelboard labeling and local electrical codes before installation.
Is this circuit breaker HACR rated?
Yes, it carries an HACR rating, 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 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.