NEW Summer 2026 SuperGear! SuperPoints Accepted »

Siemens HQJ23B125 - 125A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU HQJ23B125
Free Shipping Over $99

Siemens HQJ23B125 - 125A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU HQJ23B125
Select Item Condition
Earn 1354 SuperPoints

Quantity
Planning a Big Order?
Bulk pricing available—let us know your needs for a quote.
Get a quote
Shop with Confidence
Enjoy a free 60-day warranty, extendable to 1 year at checkout.
Learn more

Siemens HQJ23B125 - 125A 3 Pole Molded Case Circuit Breaker

New

$1354.27 In stock

Quantity

DescriptionSpecificationsSuperClubWarranties
Description
Built for commercial power systems, the Siemens HQJ23B125 is a 3-pole, 125A molded case circuit breaker from the Sentron family. It provides reliable thermal-magnetic overcurrent protection for three-phase networks. This QJ-frame unit mounts into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. It is superseded by the HQR23B125 model for newer installations. Featuring a 65kAIC rating at 240VAC, this breaker is HACR rated and supports reverse feed applications.

Specifications

Brand Siemens
Series HQJ
Part Number HQJ23B125
Amperage 125A
Voltage 240VAC
Poles 3
Phase 3
AIC Rating 65kA @ 240VAC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards, Meter Centers, Motor Control Centers
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 6 AWG-300 kcmil (Cu), 4 AWG-300 kcmil (Al)
Max Wire 300 kcmil
Min Wire 6 AWG (Cu), 4 AWG (Al)
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch
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, Common Trip, Extra High Interrupting Capacity

SuperClub

Get rewarded every time you shop! Join SuperClub for free and start earning points on every purchase, unlocking exclusive discounts, special promos, and VIP perks. Already a member? Keep shopping to level up your rewards and enjoy even more benefits, including faster shipping, extended returns, and premium offers.

Learn more about SuperClub

Warranties

We’ve got you covered!

When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

Click here to read our full warranty details

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.

Click here to read our full shipping policy
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.

Related Products

Recently Viewed