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Siemens QRH23B100L Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Siemens
QRH23B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH23B100L
Quantity
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Siemens QRH23B100L - 100A 3 Pole Molded Case Circuit Breaker
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Description
Belonging to the SENTRON QR frame series, the QRH23B100L is a three-pole MCCB built for heavy-duty commercial and industrial environments. This 100A device utilizes a unit mount configuration and includes line and load lugs for straightforward wiring. It is fully compatible with Siemens enclosures, meter centers, and switchboards, and replaces the legacy QJH23B100L. Delivering a 25kAIC rating at 240VAC, it relies on fixed thermal magnetic trip settings for accurate LI protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH23B100L |
| Series | QRH |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | QRH2 |
|---|---|
| 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
7 answersWhat enclosures is the QRH23B100L compatible with?
This unit mount breaker is designed for installation in Siemens enclosures, meter centers, and switchboards.
Can the QRH23B100L replace older QJ frame breakers?
Yes, the Siemens QR series is the direct successor to the legacy QJ series. The QRH23B100L shares the same form and fit as the older QJH23B100L but adds support for field-installable internal accessories.
What is the difference between the QRH23B100L and the QR23B100L?
The difference is the interrupting rating. The QRH23B100L is rated for 25kAIC at 240V, whereas the standard QR23B100L is rated for 10kAIC.
What does the L suffix in the QRH23B100L catalog number indicate?
The L suffix means the breaker includes factory-installed line and load lugs. This specific model uses lug kit 3TA1QR300.
What is the required torque for the lugs on this breaker?
The included 3TA1QR300 lugs require a tightening torque of 225 in-lbs for secure conductor termination.
Is this circuit breaker HACR rated?
Yes, the QRH23B100L is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
Can the QRH23B100L be reverse fed?
Yes, this breaker is suitable for reverse feed applications.
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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.