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Siemens QRH23B250L Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Siemens
QRH23B250L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH23B250L
Quantity
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Siemens QRH23B250L - 250A 3 Pole Molded Case Circuit Breaker
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Description
Operating within the Sentron family, this 250A unit-mount MCCB handles demanding commercial and industrial electrical loads. It utilizes fixed thermal and magnetic trip elements, delivering a 25kA interrupt capacity at 240V. Designed for versatile application, it installs into Siemens individual enclosures and switchboards. This breaker serves as an exact replacement for the legacy QJ23B250L.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH23B250L |
| Series | QRH |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Enclosures, Individual Mount, 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip, High Interrupting Capacity |
Product FAQs
7 answersWhat does the "L" suffix mean on the QRH23B250L catalog number?
The standard QRH23B250 includes load-side lugs only. The "L" suffix indicates that the breaker comes factory-equipped with both line and load lugs.
Can the QRH23B250L replace legacy QJ frame breakers?
Yes, the Sentron QR frame is the direct replacement for older QJ frame breakers, such as the QJ23B250L. It fits into the same Siemens enclosures and switchboards.
What is the difference between the QR23B250L, QRH23B250L, and HQR23B250L?
These breakers share the same physical frame and 250A rating but have different interrupting capacities. The QR23B250L is rated at 10kAIC, the QRH23B250L at 25kAIC, and the HQR23B250L at 65kAIC at 240V.
What panels or enclosures accept the QRH23B250L?
This unit-mount breaker is designed for installation in Siemens individual enclosures, switchboards, and control panels that accommodate the QJ or QR frame.
Is the QRH23B250L rated for reverse feed applications?
Yes, Siemens QR frame molded case circuit breakers are reverse feed capable.
Is this breaker HACR rated?
Yes, the QRH23B250L carries an HACR rating, making it suitable for heating, air conditioning, and refrigeration equipment circuits.
Can I add internal accessories to the QRH23B250L in the field?
Yes, the Siemens QR frame supports UL listed, field-installable internal accessories such as shunt trips, auxiliary switches, and alarm switches.
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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.