ABB / General Electric TQD32125ST1 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Quantity
ABB / General Electric TQD32125ST1 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed with integrated remote tripping capabilities, this 125-amp breaker includes a factory-installed 120VAC shunt trip mechanism for emergency shutdowns or automated control. The robust bolt-on mounting style fits perfectly into GE A-Series and Spectra Series commercial panelboards. Operating at 240VAC with a 10kAIC interrupting capacity, it delivers dependable thermal-magnetic protection. This specific configuration is ideal for facilities requiring advanced control over branch circuits.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TQD32125ST1 |
| Series | TQD |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | TQD |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, GE Spectra Series Panelboards |
| Wire Gauge | 1 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 1 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
8 answersWhat panelboards are compatible with the TQD32125ST1 circuit breaker?
This bolt-on breaker is designed for use in GE A-Series and GE Spectra Series commercial panelboards.
What does the ST1 suffix indicate on the TQD32125ST1 catalog number?
The ST1 suffix indicates that this breaker includes a factory-installed 120VAC shunt trip mechanism for remote operation.
What wire sizes and materials are accepted by the lugs on the TQD32125ST1?
The load side lugs accept wire gauges from 1 AWG up to 300 kcmil. They are rated for both copper and aluminum conductors.
What type of trip unit is equipped on the TQD32125ST1?
It features a fixed thermal magnetic trip unit with Long-Time and Instantaneous (LI) trip functions to protect against overloads and short circuits.
Why might this breaker be branded as either ABB or General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this exact Q-Line TQD frame breaker may feature either ABB or GE branding, but the form, fit, and function remain identical.
How is the TQD32125ST1 secured inside the panelboard?
This is a bolt-on circuit breaker, meaning it physically bolts directly to the busbars of the panelboard for a secure connection that resists vibration.
How does the shunt trip function improve safety for this breaker?
The integrated 120VAC shunt trip allows the breaker to be tripped remotely by applying a voltage signal. This makes it ideal for integrating into emergency stop systems or automated safety controls.
Is the trip unit on the TQD32125ST1 adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The Long-Time and Instantaneous trip settings cannot be adjusted in the field.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 49 reviews.
- DMD M.Verified BuyerReviewingABB / General Electric TQD22200WL - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/12/26Breaker
Great product
- RRRonnie R.Verified BuyerReviewingABB / General Electric TQD22200WL - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/9/26Breaker
breaker was perfect, thank you
- LCLou C.Verified BuyerReviewingABB / General Electric TQD32150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/19/26Fast and efficient
Arrived fast and on time.
- JWJustin W.Verified BuyerReviewingABB / General Electric TQD32150ST1 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/1/26Knowledgeable, Fast Service!
I was sweating a deadline & they got my breakers to me overnight.
- MPMichael P.Verified BuyerReviewingABB / General Electric TQD22200WL - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/25/26New main breaker
Great price, customer service and quick delivery. They also answered any questions I had about the product before I ordered it.