Siemens QS2125HH Miniature Circuit Breaker
- 125A
- 2 Pole
- Plug-On
Siemens
QS2125HH
Miniature Circuit Breaker
Brand
Siemens
SKU
QS2125HH
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens QS2125HH - 125A 2 Pole Miniature Circuit Breaker
New
Quantity
Similar Items
200A 2 Pole Miniature Circuit Breaker
200A 2 Pole Miniature Circuit Breaker
200A 2 Pole Miniature Circuit Breaker
Description
Engineered for multi-family residential and commercial applications, the Siemens QS2125HH delivers reliable overcurrent protection. This 125A, two-pole miniature circuit breaker features a side-wired design that eliminates difficult S-bends. It mounts into Siemens Power Mod meter stacks, Uni-PAK metering, and legacy Murray load centers, serving as an exact replacement for the MDH2125. With an extra-high interrupting capacity of 65kA at 120/240V, it safely handles substantial fault currents.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QS2125HH |
| Series | QS |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120/240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Power Mod Meter Stacks, Uni-PAK Metering, Legacy Murray Load Centers |
| Wire Gauge | 3 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 3 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Extra High Interrupting Capacity, Side-wired design, Right-hand bend wiring, No filler plates required, Common Trip |
Product FAQs
6 answersWhat metering equipment is this breaker compatible with?
It is designed for use in Siemens Power Mod meter stacks, Uni-PAK metering, and WMM and PAK multi-family metering lines.
Can this breaker replace older Murray breakers?
Yes, it serves as an exact replacement for the legacy Murray MDH2125 circuit breaker and mounts directly into legacy Murray load centers.
What is the difference between the QS2125, QS2125H, and QS2125HH?
The suffix indicates the interrupting capacity. The standard QS2125 is rated at 10 kAIC, the QS2125H is rated at 22 kAIC, and the QS2125HH features an extra-high interrupting capacity of 65 kAIC at 120/240V.
Does this breaker require S-bend wiring during installation?
No, it features a side-wired design with single right-hand bend wiring that eliminates difficult S-bends, saving space and installation time.
Are filler plates required when installing this in a meter stack?
No, it takes up the same space as a standard 100A QP breaker, meaning no filler plates are needed for installation.
Is this used as a main breaker or a branch breaker?
This is a main breaker built specifically for multi-family meter stacks and electrical distribution applications.
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.