Square D QDM32125TN Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Square D
QDM32125TN
Molded Case Circuit Breaker
Brand
Square D
SKU
QDM32125TN
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D QDM32125TN - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
125A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
Description
Built to handle demanding electrical loads, this 125A PowerPacT Q-Frame breaker provides essential long-time and instantaneous (LI) protection. The 3-pole unit features a thermal-magnetic trip mechanism and is rated for 25 kAIC at 240VAC. Designed for unit mounting, it fits perfectly into Square D panelboards, switchboards, and EZ Meter-Pak centers. This model includes a visual trip indicator and serves as a reliable substitute for discontinued Q23125 components.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDM32125TN |
| Series | QDM |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDM |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| For Use With | EZ Meter-Pak Meter Centers, Metering Equipment, Panelboards, Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 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, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, 80% Rated |
Product FAQs
6 answersWhat enclosures and equipment are compatible with the QDM32125TN?
This PowerPacT Q-Frame breaker is engineered for installation in Square D EZ Meter-Pak meter centers, modular metering equipment, panelboards, and switchboards.
What does the TN suffix indicate for the terminal configuration on the QDM32125TN?
The TN suffix specifies that the breaker has factory-installed mounting studs on the OFF (load) end without nuts or washers, while the ON (line) end is equipped with standard mechanical lugs.
Is the QDM32125TN rated for 100 percent continuous duty?
No, this circuit breaker carries a standard 80 percent continuous current rating.
Can the QDM32125TN be used to replace older Square D Q-frame breakers?
Yes, the PowerPacT Q-frame series is the manufacturer-recommended replacement for legacy Square D Q2 frame circuit breakers, provided the pole count, amperage, and mounting style match.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the QDM32125TN features a fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip functions are factory-set and non-interchangeable.
Is the QDM32125TN HACR rated for HVAC applications?
Yes, PowerPacT Q-frame molded case circuit breakers are HACR rated for use with heating, air conditioning, and refrigeration equipment.
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.