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Siemens QJ22B175L Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Siemens
QJ22B175L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJ22B175L
Quantity
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Siemens QJ22B175L - 175A 2 Pole Molded Case Circuit Breaker
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Description
Part of the proven SENTRON family, this 175-amp unit-mount circuit breaker is engineered for standalone industrial and commercial applications. It comes equipped with both line and load lugs, facilitating straightforward cable connections without requiring a specialized busbar. The device fits seamlessly into individual enclosures and meter centers. While this specific QJ frame is a legacy model, it provides dependable 10kAIC protection and is officially replaced by the QR22B175L.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ22B175L |
| Series | QJ |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Enclosures, Meter Centers, Individual Mounting |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Lug Kits, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Line and 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 |
Product FAQs
8 answersIs the Siemens QJ22B175L still actively manufactured?
The QJ frame is a legacy model. Siemens has officially replaced it with the QR22B175L for new installations and facility upgrades, though the QJ22B175L remains available for direct replacements.
Can I use a QR frame breaker to replace my existing QJ22B175L?
Yes. The Siemens QR22B175L is the direct cross-reference replacement for the QJ22B175L. The QR frame shares the same form and fit, making it an exact substitute for older QJ models.
What type of enclosures or panels will accept the QJ22B175L?
This unit mount circuit breaker is designed for individual enclosures, meter centers, and standalone industrial applications. It features a feed-thru connection and does not require a specialized busbar.
Does this breaker require a specialized busbar for installation?
No. The QJ22B175L is a unit mount, feed-thru circuit breaker. It comes equipped with both line and load lugs, allowing for straightforward cable connections without a busbar.
What wire sizes are compatible with the lugs on the QJ22B175L?
The included line and load side lugs accept 6 AWG to 300 kcmil copper wire, or 4 AWG to 300 kcmil aluminum wire.
What type of trip unit is installed in the QJ22B175L?
It features a fixed thermal magnetic trip unit providing long-time and instantaneous (LI) overcurrent protection. The trip settings are non-interchangeable and fixed at the factory.
Can the QJ22B175L be reverse fed?
Yes, this circuit breaker supports reverse feed applications, allowing power to be supplied to either the line or load terminals.
Is the QJ22B175L HACR rated?
Yes, this circuit breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 10 reviews.
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Rating
10 reviews
- WMWilliam M.Verified BuyerReviewingSiemens QJ23B125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Breaker
Perfect
- TNTimothy N.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/2610% off
Arrived on time, worked when turned on
- WKWillie K.Verified BuyerReviewingSiemens QJ23B150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars7/22/26Breaker
The Breaker arrive fast and in good condition however when I looked at the specs it was not the correct one.
- PGPhil G.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/26Great Service
I was in a bind for this breaker that was for an elevator, and Nick got me all the components even though their blizzard! Will use them for all my specialty breakers.
- VCVladimir C.Verified BuyerReviewingSiemens QJ22B200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars12/10/254 start
The breaker was it perfect match.,but it was missing the two top bolts.