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ABB / General Electric TEYF270 Miniature Circuit Breaker
- 70A
- 2 Pole
- Bolt-On
ABB / General Electric
TEYF270
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYF270
Quantity
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ABB / General Electric TEYF270 - 70A 2 Pole Miniature Circuit Breaker
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Description
Engineered for demanding applications, the TEYF270 is a 70A, two-pole miniature circuit breaker from GE. It delivers consistent thermal-magnetic overcurrent and short-circuit protection for 480Y/277VAC commercial systems. This device fastens securely into GE A-Series lighting panelboards utilizing a standard bolt-on connection. The included lug terminals are sized for larger 4 to 1/0 AWG conductors. It features an 18kAIC rating at 480Y/277VAC, a common trip, and is fully HACR rated.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYF |
| Amperage | 70A |
| 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 | TEY |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Lighting Panelboards |
| Wire Gauge | 4 AWG - 1/0 AWG (Cu/Al) |
| Max Wire | 1/0 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, Handle Lock, Mounting Base |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5.1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip, Quick-Make/Quick-Break, Visual Trip Indicator, Reverse Feed |
Product FAQs
8 answersWhich panelboards are compatible with the TEYF270 circuit breaker?
This bolt-on breaker is designed specifically for use in GE A-Series lighting panelboards.
Can the TEYF270 be installed in standard GE PowerMark load centers?
No. The TEY frame is specifically designed for A-Series commercial lighting panelboards. Standard GE load centers require THQL plug-on or THQB bolt-on breakers.
What wire sizes are accepted by the lugs on the TEYF270?
The factory-installed lugs accept wire gauges from 4 AWG to 1/0 AWG. They are rated for both copper (Cu) and aluminum (Al) conductors.
How does the interrupting rating of the TEYF270 vary by system voltage?
The interrupting capacity is 65kA at 120/240VAC or 240VAC, 18kA at 277VAC or 480Y/277VAC, and 10kA at 250VDC.
Is the TEYF270 rated for use in direct current (DC) systems?
Yes, it carries a DC voltage rating of 250VDC with an interrupting capacity of 10kAIC.
How does the TEYF270 mount into the panelboard?
It utilizes a bolt-on connection to secure directly to the busbars of compatible A-Series panelboards, ensuring a rigid and reliable electrical connection.
Can the trip settings on the TEYF270 be adjusted in the field?
No, this breaker features fixed thermal and fixed magnetic trip elements. The long-time and instantaneous trip functions are factory set and cannot be modified.
Why is the TEYF270 listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. The TEYF270 is the exact same Q-Line frame breaker, but newer production runs will feature ABB branding instead of the legacy GE logo.
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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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