Siemens QJ23B20001S01 Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Quantity
Siemens QJ23B20001S01 - 200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Offering comprehensive circuit management, this 200-amp unit mount breaker includes a 120/240VAC shunt trip and a 1A/1B auxiliary switch. These accessories enable remote tripping and status monitoring. The lug-in/lug-out configuration mounts into Siemens P1, P2, and P3 panelboards, switchboards, and meter centers. It provides a replacement path for aging QJ frames before transitioning to the QR23B200 series. Operating at 240VAC with a 10kAIC rating, it ensures reliable protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ23B20001S01 |
| Series | QJ |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Meter Centers |
| 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 | Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Shunt Trip (120/240VAC), Auxiliary Switch (1A/1B), 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 |
Product FAQs
7 answersWhat does the 01S01 suffix indicate on the QJ23B20001S01?
The 01S01 suffix indicates that this breaker is factory-equipped with a 120/240V AC shunt trip and a 1A/1B auxiliary switch. These accessories allow for remote tripping and status monitoring.
Can I install the QJ23B20001S01 in a standard Siemens residential load center?
No. The QJ23B20001S01 is a bolt-on unit mount breaker designed for commercial applications. It is compatible with Siemens P1, P2, and P3 panelboards, as well as switchboards and meter centers, but it will not fit in standard EQ or PL residential load centers.
Is there a newer frame replacement for the QJ23B20001S01?
Yes. Siemens is transitioning from the legacy QJ frame to the newer QR frame. The base 200A, 3-pole, 10kAIC replacement is the QR23B200, though you must add the appropriate shunt trip and auxiliary switch accessories to match the 01S01 configuration.
Is the QJ23B20001S01 rated for use on 480V systems?
No. This breaker has a maximum voltage rating of 240V AC and cannot be safely used on 480V or 480Y/277V systems.
Does the QJ23B20001S01 support reverse feed applications?
Yes. QJ frame breakers are HACR rated and support reverse feed applications, allowing them to be back-fed in compatible panels.
Are the thermal and magnetic trip settings adjustable on the QJ23B20001S01?
No. This breaker features a fixed thermal and fixed magnetic trip unit. The trip settings cannot be adjusted in the field.
What safety precautions are required when installing the QJ23B20001S01?
Installation should only be performed by a qualified electrical professional. Ensure all power to the panelboard or switchboard is completely de-energized before bolting on the breaker, and verify that the shunt trip and auxiliary switch wiring is properly isolated.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 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.