Siemens QR22B175 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Bolt-On
Siemens
QR22B175
Molded Case Circuit Breaker
Brand
Siemens
SKU
QR22B175
Quantity
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Siemens QR22B175 - 175A 2 Pole Molded Case Circuit Breaker
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175A 2 Pole Molded Case Circuit Breaker
175A 2 Pole Molded Case Circuit Breaker
175A 2 Pole Molded Case Circuit Breaker
Description
Part of the SENTRON family, the Siemens QR22B175 delivers 175A of robust commercial power distribution. This 2-pole molded case circuit breaker provides reliable thermal magnetic protection. This bolt-on MCCB installs into Siemens P1, P2, and P3 panelboards. It also serves as a drop-in replacement for the legacy QJ22B175, ensuring seamless upgrades for older systems. Rated for 10kAIC at 240VAC, this QR frame breaker is HACR rated and supports reverse feed configurations.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QR22B175 |
| Series | QR |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Meter Centers, Switchboards, Load Centers |
| 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 | Load Side Lugs |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Push-to-Trip Button |
Product FAQs
4 answersDoes the QR22B175 replace older QJ frame breakers?
Yes, the Siemens QR22B175 serves as a direct drop-in replacement for the legacy QJ22B175 circuit breaker, ensuring seamless upgrades for older systems.
Can the QR22B175 be used in reverse feed configurations?
Yes, this breaker supports reverse feed applications, allowing it to be back-fed when installed in compatible Siemens panelboards.
Is the QR22B175 suitable for HVAC equipment?
Yes, this breaker is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration systems.
What is the lug torque specification for this breaker?
For the standard 3 AWG to 300 kcmil aluminum or copper wire, the terminal lugs should be torqued to 250 lb-in.
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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
- BGBob G.Verified BuyerReviewingSiemens QR23B125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/7/26Perfect replacement
I had a load center with a broken main breaker handle. Ordered this one received it in two days and had it replaced in about 1/2 hour.