Siemens QJH23M150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Siemens
QJH23M150
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJH23M150
Quantity
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Siemens QJH23M150 - 150A 3 Pole Molded Case Circuit Breaker
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Description
Built to withstand harsh environmental conditions, this 150A marine-rated molded case circuit breaker features a specialized 50°C ambient calibration. It serves commercial, industrial, and maritime applications requiring robust thermal-magnetic protection. The bolt-on design integrates seamlessly into Siemens P1, P2, P3, P4, and P5 panelboards. It is replaced by the QRH23B150, which requires a QR strap kit. This unit delivers a 22kAIC rating at 240VAC and includes a trip-free mechanism.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJH23M150 |
| Series | QJH |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 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 | Padlock Attachment, Lug Kits |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 50C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, 50C Ambient Calibration, Marine Rated |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the QJH23M150?
This bolt-on breaker installs into Siemens P1, P2, P3, P4, and P5 panelboards, along with compatible switchboards and meter centers.
What wire sizes are accepted by the load side lugs?
The load lugs accommodate 6 AWG to 300 kcmil copper conductors or 4 AWG to 300 kcmil aluminum conductors.
Does this breaker require line side lugs for installation?
No. This is a bolt-on breaker that mounts directly to the panelboard bus on the line side. It only utilizes lugs on the load side.
What type of protection does the thermal-magnetic trip unit provide?
The non-interchangeable trip unit provides fixed long-time thermal protection against overloads and fixed instantaneous magnetic protection against short circuits.
Has the Siemens QJ frame been replaced by a newer series?
Yes, Siemens introduced the QR frame as the direct successor to the legacy QJ frame. Both frames share the exact same form and fit for 240V applications.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Total 5 star reviews: 4 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
4 reviews
- JKJeannine K.Verified BuyerReviewingSiemens QJH23B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/14/26Siemens Breaker
Breaker was a new surplus as described. Fast shipping & handling
- BLBob L.Verified BuyerReviewingSiemens QJH23B100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/15/26Exactly what I needed / Great service
Excellent experience purchasing the Siemens QJH23B100. The breaker was well-packaged, priced competitively, and arrived right on schedule. It's already installed and operating perfectly. Five stars for both the product and SuperBreakers.
- WEWarren E.ReviewingSiemens QJH23B225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/17/20Great stock along with Great
Great stock along with Great customer service.
- EDEddie D.ReviewingSiemens QJH23B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/27/17Fast delivery
Great service fast delivery and received exact item for a great price.