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Siemens QRH22B175L Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Siemens
QRH22B175L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH22B175L
Quantity
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Siemens QRH22B175L - 175A 2 Pole Molded Case Circuit Breaker
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Description
A versatile solution for industrial facilities, the Siemens QRH22B175L delivers 175A of thermal-magnetic overcurrent protection. This 2-pole MCCB belongs to the rugged SENTRON family. The unit mount configuration installs easily into Siemens individual enclosures, meter centers, and switchboards. It is the direct cross-reference replacement for the discontinued QJH22B175L. With a 25kAIC rating at 240VAC, it features fixed thermal and magnetic trip settings and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH22B175L |
| Series | QRH |
| Amperage | 175A |
| 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, 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, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersCan I install the QRH22B175L in a standard load center?
No, the QRH22B175L is a QR frame molded case circuit breaker designed specifically for unit-mount installations in Siemens individual enclosures, meter centers, and switchboards. It will not fit in standard residential load centers.
What is the direct replacement for the discontinued QJH22B175L?
The Siemens QRH22B175L serves as the direct cross-reference replacement for the obsolete QJH22B175L, upgrading the older QJ frame to the current QR frame design.
Does the QRH22B175L come with lugs installed?
Yes, this breaker includes factory-installed line and load lugs that accept 3 AWG to 300 kcmil aluminum or copper conductors.
Are the trip settings adjustable on the QRH22B175L?
No, this breaker features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings. It provides standard long-time and instantaneous (LI) overcurrent protection.
Is the QRH22B175L suitable for HVAC equipment and reverse feed applications?
Yes, this breaker is HACR rated for use with heating, air conditioning, and refrigeration equipment. It is also approved for reverse feed installations.
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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.