Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens QRH22B150L Molded Case Circuit Breaker
- 150A
- 2 Pole
- Unit Mount
Siemens
QRH22B150L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH22B150L
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens QRH22B150L - 150A 2 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
150A 2 Pole Molded Case Circuit Breaker
150A 2 Pole Molded Case Circuit Breaker
150A 2 Pole Molded Case Circuit Breaker
Description
Engineered for industrial applications, the Siemens QRH22B150L is a 2-pole molded case circuit breaker from the SENTRON family. It provides reliable overcurrent protection for demanding distribution systems. This unit mount breaker installs into Siemens individual enclosures. It serves as a direct replacement for the legacy QJ22B150, ensuring seamless upgrades for older infrastructure. Rated for 150A at 240VAC, it features a 25kAIC rating and a thermal-magnetic trip unit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH22B150L |
| Series | QRH |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | QR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Individual Mount |
| 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, Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip, High Interrupting Capacity |
Product FAQs
8 answersWhat legacy circuit breakers does the QRH22B150L replace?
The QRH22B150L is the direct successor to the obsolete Siemens QJ frame breakers. It can be used to replace legacy 150A, 2-pole QJ breakers such as the QJ22B150 and QJH22B150, as it offers a higher 25kAIC interrupting rating in the same physical footprint.
Are line and load lugs included with the QRH22B150L?
Yes, the "L" suffix in the catalog number indicates that this breaker comes factory-installed with both line and load side lugs.
What wire sizes are accepted by the lugs on this breaker?
The included lugs accept aluminum or copper wire ranging from 3 AWG to 300 kcmil.
Can I install the QRH22B150L in a Siemens P1, P2, or P3 panelboard?
No, the QRH22B150L is a unit-mount (feed-thru) breaker designed for individual enclosures. For Siemens panelboards, you must use the bolt-on equivalent, catalog number QRH22B150.
What does the "LI" trip function code mean on this breaker?
The "LI" designation indicates that the thermal-magnetic trip unit provides both Long-Time (thermal) protection against overloads and Instantaneous (magnetic) protection against short circuits. Both settings are fixed and non-adjustable.
Can the QRH22B150L be reverse fed?
Yes, Siemens QR frame molded case circuit breakers are HACR rated and suitable for reverse feed applications.
Does the QRH22B150L have a push-to-trip feature?
Yes, this breaker includes a push-to-trip button on the faceplate, allowing users to manually test the mechanical tripping mechanism for safety and maintenance verification.
What is the standard calibration temperature for this breaker?
Siemens QR frame breakers are calibrated for use in standard 40 degrees Celsius ambient environments. Operation in higher temperatures will require derating.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
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
Search
Rating
1 review
- CMChani M.Verified BuyerReviewingSiemens QRH23B150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/25Worked just as we needed it to.
Great buy.