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Siemens QJ22B225L Molded Case Circuit Breaker
- 225A
- 2 Pole
- Unit Mount
Siemens
QJ22B225L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJ22B225L
Quantity
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Siemens QJ22B225L - 225A 2 Pole Molded Case Circuit Breaker
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Description
Built for industrial power distribution, this two-pole unit mount breaker provides essential thermal-magnetic protection for commercial facilities. The device features line and load lugs for straightforward integration into meter centers and standalone enclosures. Compatible with Siemens P1, P2, and P3 panelboards, it delivers a standard 10kAIC interrupt rating at 240VAC. Facility managers should note this legacy QJ frame model has been superseded by the updated QR22B225L substitute.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ22B225L |
| Series | QJ |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Meter Centers, Enclosures |
| 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 | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| 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
5 answersWhat is the direct replacement for the discontinued QJ22B225L circuit breaker?
The Siemens QR22B225L is the exact drop-in replacement for the legacy QJ22B225L. The QR frame shares the same physical dimensions and mounting footprint but includes updated features like a push-to-trip testing button.
What does the L suffix mean in the QJ22B225L catalog number?
The L indicates that the breaker comes factory-equipped with line and load side lugs. Breakers without the L suffix require lugs to be sourced and installed separately.
What is the recommended torque for the standard lugs on this 225A breaker?
When using the factory TA1Q300 lugs, tighten the conductors to 275 lb-in. Always verify the torque specifications printed directly on the breaker label before energizing the circuit.
Can the QJ22B225L be reverse fed in a panelboard?
Yes. This thermal magnetic breaker does not have line and load restrictions, making it suitable for reverse-feed applications such as back-fed main breaker configurations in compatible enclosures.
Which Siemens panelboards accept the QJ22B225L breaker?
This unit mount breaker is compatible with Siemens P1, P2, and P3 panelboards, as well as select meter centers and standalone enclosures designed for QJ or QR frame breakers.
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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.