ABB / General ElectricTEYD3100B
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ABB / General Electric TEYD3125B Miniature Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
ABB / General Electric
TEYD3125B
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYD3125B
Quantity
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ABB / General Electric TEYD3125B - 125A 3 Pole Miniature Circuit Breaker
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Description
Built for commercial and industrial applications, the GE TEYD3125B provides reliable thermal-magnetic overcurrent protection. This three-pole, 125A device is part of the Q-Line family, featuring a non-interchangeable trip unit. Designed for seamless integration, it mounts into GE A-Series lighting panelboards. The bolt-on connection ensures a secure, vibration-resistant fit. Rated at 25kAIC at 480Y/277V, this breaker handles demanding fault conditions and is HACR rated for HVAC equipment.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYD |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 250VDC, 120/240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480Y/277VAC, 10kA @ 250VDC, 65kA @ 120/240VAC |
| Frame Type | TEYD |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Lighting Panelboards |
| Wire Gauge | 4 AWG - 2/0 AWG (Cu/Al) |
| 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 Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment, Mounting Base |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards is the TEYD3125B designed to fit?
It mounts directly into GE A-Series lighting panelboards [1.2.7]. This includes AQ, AE, AD, and AS panelboard types that are configured for TEY-frame bolt-on branch breakers.
What is the difference between GE TEY, TEYD, TEYH, and TEYL circuit breakers?
The primary difference is the short-circuit interrupting rating. The TEYD offers 25kAIC at 480Y/277VAC. For systems with higher available fault currents, the TEYH and TEYL models provide higher interrupting capacities of 35kAIC and 65kAIC, respectively.
Are load-side lugs included with this breaker?
Yes, standard TEYD branch breakers come with factory-installed load lugs. As a bolt-on breaker, the line side features a mechanical connection that bolts directly to the panelboard bus.
Can the TEYD3125B be reverse-fed for a back-fed main or solar application?
Yes. TEYD thermal-magnetic circuit breakers do not have Line or Load markings and are suitable for reverse-feed applications. Always ensure installation complies with National Electrical Code (NEC) requirements for back-fed breakers, such as using an approved retaining kit.
Are the trip functions on the TEYD3125B adjustable?
No, this breaker features a non-interchangeable, fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip points are factory set.
Is the TEYD3125B suitable for direct current (DC) circuits?
Yes, it is rated for up to 250VDC with a 10kA interrupting capacity, making it an option for compatible DC control panels or power distribution systems.
Which padlock attachment is compatible with the TEYD3125B?
The GE TEYXPLD1 padlock device fits TEYD, TEYH, and TEYL frame circuit breakers for lockout/tagout safety procedures.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
4 reviews
- ZLZach L.Verified BuyerReviewingABB / General Electric TEYD2050B - 50A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/21/26Quick shipping, quality product!!
Works as expected, fast shipping
- CGchristopher G.Verified BuyerReviewingABB / General Electric TEYD3090B - 90A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars4/17/26My go to
Appreciate your stock and lead time!
- JSJohn S.ReviewingABB / General Electric TEYD3020B - 20A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars4/16/20Breaker Purchase
Order shipped right away!
- JSJohn S.ReviewingABB / General Electric TEYD3080B - 80A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars1/29/20Breaker Purchase
Very timely delivery. Packaged very well.