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ABB / General Electric TEYF250 Miniature Circuit Breaker
- 50A
- 2 Pole
- Bolt-On
ABB / General Electric
TEYF250
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYF250
Quantity
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ABB / General Electric TEYF250 - 50A 2 Pole Miniature Circuit Breaker
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Description
Built for commercial environments, the TEYF250 is a 50A, two-pole breaker from GE's Q-Line family. It delivers robust overcurrent protection for 480Y/277VAC systems. This unit mounts into GE A-Series lighting panelboards, utilizing a secure bolt-on connection for stable performance. It accepts 10-4 AWG wire via standard lug terminals. Featuring a fixed thermal-magnetic trip, it provides 18kAIC at 480Y/277VAC. It includes a quick-make/quick-break mechanism and is HACR and HID rated.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYF |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 277VAC, 480Y/277VAC, 250VDC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 10kA @ 250VDC, 65kA @ 120/240VAC |
| Frame Type | TEYF |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Lighting Panelboards |
| Wire Gauge | 10-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 10 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, Handle Lock |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5.1, UL 489 |
| Approval | CSA, HACR, HID, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Quick-Make/Quick-Break, Common Trip, Non-Interchangeable Trip, Visual Trip Indicator |
Product FAQs
5 answersWhat panelboards are compatible with the TEYF250 circuit breaker?
The TEYF250 is designed for use in GE A-Series lighting panelboards. It features a bolt-on mounting style specifically for these commercial and industrial panels.
What wire sizes and materials are accepted by the lugs on the TEYF250?
The factory-installed lugs accept wire sizes from 10 AWG to 4 AWG. Both copper (Cu) and aluminum (Al) conductors are permitted.
Can the TEYF250 be used in direct current (DC) applications?
Yes, the TEYF250 is rated for DC applications up to 250VDC, where it provides an interrupting capacity of 10kA.
What is the difference between the TEY250, TEYF250, and TEYH250?
The primary difference is their short-circuit interrupting rating at 480/277VAC. The standard TEY250 is rated at 14kA, the TEYF250 is rated at 18kA, and the TEYH250 is rated at 35kA. They share the same physical footprint and fit the same GE A-Series panelboards.
Are the trip settings on the TEYF250 adjustable?
No, the TEYF250 features a fixed thermal-magnetic trip unit. Both the long-time and instantaneous trip functions are factory set and cannot be adjusted in the field.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 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
2 reviews
- ACAlice C.Verified BuyerReviewingABB / General Electric TEYF350 - 50A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/17/26NA
NA
- MNMaxam N. A. I.Verified BuyerReviewingABB / General Electric TEYF370 - 70A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/25Best Pricing
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