ABB / General ElectricTHQL32060ST1
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ABB / General Electric THQL32070ST1 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Plug-On
ABB / General Electric
THQL32070ST1
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THQL32070ST1
Quantity
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ABB / General Electric THQL32070ST1 - 70A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for remote shutdown applications, this 70A, 3-pole molded case circuit breaker features an integrated 120VAC shunt trip mechanism. It connects into GE A-Series panelboards and PowerMark Gold load centers via a standard plug-on mount. The box lug terminals are sized to accept larger 6-1/0 AWG copper or 4-1/0 AWG aluminum conductors. Operating at 240VAC with a 10kAIC rating, this HACR-rated device provides reliable thermal-magnetic protection and quick-make/quick-break switching.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THQL32070ST1 |
| Series | THQL |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | THQL |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | GE PowerMark Gold Load Centers, GE A-Series Panelboards |
| Wire Gauge | 6-1/0 AWG (Cu), 4-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | Shunt Trip |
| Standards | HACR, UL 489 |
| Approval | UL |
| Temp Rating | 60C to 75C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break |
Product FAQs
7 answersWhat does the ST1 suffix mean on the THQL32070ST1 circuit breaker?
The ST1 suffix indicates the inclusion of a factory-installed 120V shunt trip. This mechanism allows the breaker to be tripped remotely by an external signal, which is commonly used for emergency stop buttons or automated shutdown systems.
What panels are compatible with the THQL32070ST1 breaker?
This 3-pole plug-in breaker is designed exclusively for GE PowerMark Gold load centers and GE A-Series panelboards. It requires three full 1-inch spaces on the panel busbar.
Is the THQL32070ST1 rated for 22kAIC applications?
No, this standard THQL frame breaker has a maximum interrupting rating of 10kAIC at 240VAC. For applications requiring a 22kAIC rating, a THHQL series breaker is required.
Why might my THQL32070ST1 arrive with ABB branding instead of GE?
ABB acquired GE Industrial Solutions in 2018. As a result, Q-Line breakers like the THQL32070ST1 may feature either ABB or General Electric branding. The physical dimensions, mounting, and thermal-magnetic trip functions remain completely identical.
What is the difference between THQL and THQB breakers?
The THQL32070ST1 is a plug-in breaker that snaps onto the panel busbar, typical for load centers. THQB breakers are bolt-on versions that fasten to the bus with a screw, which are commonly used in commercial lighting panels. You must verify your panel's mounting style before installing.
What wire sizes are accepted by the lugs on the THQL32070ST1?
The box lugs on this 70A breaker accept 6 to 1/0 AWG copper conductors or 4 to 1/0 AWG aluminum conductors. Ensure the wire gauge selected meets local electrical codes for a 70-amp circuit.
Does the THQL32070ST1 provide GFCI or AFCI protection?
No, this breaker provides standard thermal-magnetic protection (Long-Time and Instantaneous trip functions) for overloads and short circuits, plus the remote shunt trip capability. It does not offer ground fault or arc fault protection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 90 reviews.
Total 5 star reviews: 88 Total 4 star reviews: 1 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Generated by AI from 78 most recent customer reviews
Last updated 8/5/25
Customers say these circuit breakers arrive quickly and fit their electrical panels perfectly. Many reviews mention competitive pricing compared to local suppliers. Frequent comments address the secure packaging and prompt delivery. Reviews highlight the exact match to specifications and ease of installation. The selection receives particular praise, especially for hard-to-find models.
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Rating
90 reviews
- KLKim L.Verified BuyerReviewingABB / General Electric THQL2130 - 30A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/6/26Circuit Breaker
Thank you for your fast efficient service! We had a power outage and several power surges that took out our breaker. Fast easy inexpensive repair!!
- RHRussell H.Verified BuyerReviewingABB / General Electric THQL1120GF - 20A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/20/26Hard To Find
Had an old breaker that was hard to find but they had it and at a reasonable price!
- JBJeff B.Verified BuyerReviewingABB / General Electric THQL32030 - 30A 3 Pole Miniature Circuit BreakerRated 3 out of 5 stars7/14/26No paperwork
Part arrived, would have been nice to receive a packing slip or something in the box beside the part.
- SNScott N.Verified BuyerReviewingABB / General Electric THQL32100 - 100A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/26/26Owner
Worked great, breaker was the exact match
- JDJerry D.Verified BuyerReviewingABB / General Electric THQL32050 - 50A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/19/26Best place to get great prices on 3pole breakers
i have bought from super breakers before & when i need these for a job i know they will be great. i buy to restock my truck.