Square D Q12125VHIN Molded Case Circuit Breaker
- 125A
- 2 Pole
- Plug-On
Quantity
Square D Q12125VHIN - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for high-fault environments, the Q12125VHIN is a 2-pole, 125-amp molded case circuit breaker from Square D. It provides reliable long-time and instantaneous trip functions for residential and commercial 240VAC applications. This plug-on breaker is specifically designed to fit into Square D Q1 panelboards and load centers. As a high-interrupting model, it boasts a 22 kAIC rating to safely clear severe electrical faults. It is replaced by the modern QO2125VH substitute.Specifications
| Brand | Square D |
|---|---|
| Part Number | Q12125VHIN |
| Series | Q1 |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | Q1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Q1 Panelboards, Square D Q1 Load Centers |
| Wire Gauge | 4 AWG - 2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Standards | UL 489, CSA C22.2 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, High Interrupting Capacity |
Product FAQs
4 answersWhich panelboards are compatible with the Q12125VHIN circuit breaker?
This plug-in breaker is specifically designed for legacy Square D Q1 panelboards and Q1 load centers. It will not fit in modern QO or Homeline panels.
Is the Square D Q1 breaker series still in active production?
No, the Q1 series is an obsolete, legacy product line that has been discontinued by Schneider Electric. Sourcing this exact frame allows you to maintain existing Q1 enclosures without performing a complete panel replacement.
Can I replace a Q12125VHIN with a modern QO series breaker?
While Schneider Electric replaced the Q1 series with the QO series, they have different physical dimensions. Q1 breakers are wider than standard QO breakers. You can often use a QO2125VH as a functional substitute in older panels, but you must verify that the specific panel label permits QO breakers before installation.
What does the VH suffix indicate on this Q1 breaker?
The VH designation indicates a very high interrupting rating. This specific model provides 22kAIC at 240V, offering greater short-circuit protection compared to standard 10kAIC Q1 breakers.
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.
- JTJeff T.ReviewingSquare D Q12100 - 100A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/23/18Refurbished breaker
Found the correct breaker, it was very easy to find. Great price and shipped out on time. Definitely recommend this company.