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Siemens QRH22B100L Molded Case Circuit Breaker
- 100A
- 2 Pole
- Unit Mount
Siemens
QRH22B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH22B100L
Quantity
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Siemens QRH22B100L - 100A 2 Pole Molded Case Circuit Breaker
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Description
Featuring a trip-free mechanism, the Siemens QRH22B100L is a 2-pole, 100A MCCB. It utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection in commercial systems. This unit mount breaker includes line and load side lugs for feed-thru applications. It installs into Siemens enclosures and replaces legacy QJ22B100L and QJ22B100 breakers. Rated for 25kAIC at 240VAC, it offers high interrupting capacity, supports reverse feed configurations, and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH22B100L |
| Series | QRH |
| Amperage | 100A |
| 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, Individual Mount |
| 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, Padlock Attachment |
|---|---|
| Accessories | Line & Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, High Interrupting Capacity |
Product FAQs
6 answersWhat does the "L" at the end of the QRH22B100L catalog number indicate?
The "L" suffix indicates that the circuit breaker is supplied with both line and load side lugs installed from the factory. Standard QR breakers without this suffix only include load side lugs.
What are the lug torque specifications for the QRH22B100L circuit breaker?
For the standard TA1QR300 lugs, torque 3 AWG to 1/0 AWG conductors to 100 in-lb. For larger 2/0 AWG to 300 kcmil conductors, torque to 225 in-lb.
Which Siemens panelboards accept QR frame circuit breakers?
QR frame breakers are compatible with Siemens P1, P2, P3, P4, and P5 panelboards. Note that installing this breaker as a main or subfeed in a P1 panel requires a dedicated mounting kit, such as the MBKQR1.
Can the QRH22B100L replace older Siemens QJ frame breakers?
Yes, the Siemens QR frame shares the exact same form factor and mounting footprint as the legacy QJ frame. It serves as a direct drop-in replacement for obsolete models like the QJ22B100L.
What is the standard ambient temperature calibration for this breaker?
Siemens QR frame circuit breakers are calibrated for use in 40 degrees Celsius (104 degrees Fahrenheit) ambient temperatures. Continuous operation in environments exceeding this temperature requires derating.
Is the QRH22B100L suitable for reverse feed applications?
Yes, this breaker features a cable-in, cable-out design and is approved for reverse feed configurations.
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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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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.