ABB / General ElectricTEYD2100B
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ABB / General Electric TEYD2125B Miniature Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
ABB / General Electric
TEYD2125B
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYD2125B
Quantity
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ABB / General Electric TEYD2125B - 125A 2 Pole Miniature Circuit Breaker
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Description
The GE TEYD2125B is a two-pole, 125A miniature circuit breaker designed for commercial power distribution. Operating at up to 480Y/277VAC, it provides reliable thermal-magnetic protection. This unit bolts into GE A-Series lighting panelboards. It features a compact footprint and includes load-side lug terminals that accept 4-2/0 AWG wire. Rated for 25kAIC at 480Y/277V, it ensures robust fault clearing. The breaker is HACR rated and utilizes a quick-make, quick-break mechanism.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYD |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 250VDC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480Y/277VAC, 10kA @ 250VDC, 65kA @ 120/240VAC |
| Frame Type | TEY |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards |
| Wire Gauge | 4-2/0 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip |
Product FAQs
7 answersWhat panelboards are compatible with the TEYD2125B circuit breaker?
The TEYD2125B is designed for bolt-on installation in GE A-Series lighting panelboards. It is commonly used in commercial and industrial power distribution systems.
What are the acceptable wire sizes and materials for the TEYD2125B lugs?
The standard load-side lugs on the TEYD2125B accept 4 AWG to 2/0 AWG copper or aluminum (Cu/Al) conductors. Ensure proper torque is applied during installation as specified on the breaker faceplate.
Can the TEYD2125B be used in DC circuits?
Yes, it is rated for use in direct current applications up to 250VDC, where it provides a 10kA interrupting capacity. This makes it suitable for specific industrial control or battery backup systems.
Is the TEYD2125B HACR rated?
Yes, this breaker is HACR rated, meaning it is approved for use in branch circuits protecting heating, air conditioning, and refrigeration equipment.
Does the TEYD2125B feature adjustable trip settings?
No, the long-time and instantaneous (LI) trip functions are factory-fixed. It utilizes a non-interchangeable thermal-magnetic trip unit, meaning the trip curve cannot be modified in the field.
What frame size and product family does the TEYD2125B belong to?
It is part of the GE Q-Line family and belongs to the TEYD frame size, which features a compact 1-inch wide per pole design.
Is the TEYD2125B suitable for reverse feed applications?
Yes, standard TEYD frame breakers like the TEYD2125B are suitable for reverse feed, allowing them to be back-fed in compatible panelboard configurations.
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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.