Free Shipping Over $99
Siemens QRH23B250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Bolt-On
Siemens
QRH23B250
Molded Case Circuit Breaker
Brand
Siemens
SKU
QRH23B250
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens QRH23B250 - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
200A 3 Pole Molded Case Circuit Breaker
175A 3 Pole Molded Case Circuit Breaker
150A 3 Pole Molded Case Circuit Breaker
Description
Built for commercial and industrial power distribution, this 250A bolt-on breaker provides dependable thermal-magnetic protection. The QRH series features a 25kA interrupt rating at 240V, ensuring safety during high-fault events. Engineered for seamless integration, it mounts into Siemens P2 panelboards, switchboards, and motor control centers. It effectively replaces the discontinued QJ23B250 model. This unit includes load-side lugs accepting 250-300 kcmil copper wire and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QRH23B250 |
| Series | QRH |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P2 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-300 kcmil (Cu Only) |
| Max Wire | 300 kcmil |
| Min Wire | 250 kcmil |
| 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, Undervoltage Release |
|---|---|
| Accessories | 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 answersWhich panelboards and switchboards are compatible with the QRH23B250?
This bolt-on breaker is designed for use with Siemens P2 panelboards, switchboards, and motor control centers.
Can the QRH23B250 replace older QJ frame circuit breakers?
Yes, the QRH23B250 shares the same form factor and mounting as the legacy QJ family. It serves as a direct replacement for the discontinued QJ23B250 and QJH23B250 models.
What is the difference between the QR23B250 and the QRH23B250?
The QRH23B250 features a higher interrupting rating of 25kAIC at 240V AC. The standard QR23B250 has a lower interrupting rating of 10kAIC at 240V AC.
What wire size and material are accepted by the lugs on this breaker?
The included lugs accept 250 to 300 kcmil copper wire only.
Are the thermal and magnetic trip settings adjustable on the QRH23B250?
No, this breaker features a thermal magnetic trip unit with fixed long-time and fixed instantaneous trip functions.
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.