ABB / General ElectricTEYF3100
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ABB / General Electric TEYF390 Miniature Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
ABB / General Electric
TEYF390
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYF390
Quantity
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ABB / General Electric TEYF390 - 90A 3 Pole Miniature Circuit Breaker
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Description
Part of the Q-Line family, the GE TEYF390 is a 3-pole, 90A miniature circuit breaker built for commercial and industrial applications. It features fixed thermal-magnetic trip units to provide reliable long-time and instantaneous protection. This unit bolts into GE A-Series lighting panelboards. It accepts 4-1/0 AWG copper or aluminum wire via included load side lugs. Rated for 18kAIC at 480Y/277V, it includes quick-make/quick-break mechanisms and is fully HACR rated for HVAC equipment.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TEYF390 |
| Series | TEYF |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 277VAC, 480Y/277VAC, 250VDC, 120/240VAC |
| Phase | 3 |
| 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 | 4-1/0 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5.1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Quick-Make/Quick-Break, Common Trip, Non-Interchangeable Trip, Visual Trip Indicator |
Product FAQs
7 answersWhat panelboards are compatible with the TEYF390 circuit breaker?
The TEYF390 is designed for bolt-on installation in GE A-Series lighting panelboards. It can also be used in standalone lug-to-lug applications when paired with the TEY3B mounting base accessory.
What wire sizes and torque specifications are required for the TEYF390 lugs?
The integral lugs accept 4 AWG to 1/0 AWG copper or aluminum wire. The recommended tightening torque is 45 in-lb for 4 AWG wire and 50 in-lb for 3 AWG to 1/0 AWG wire.
What does the F in the TEYF390 part number indicate?
The F designates the interrupting capacity tier within the GE Q-Line family. While a standard TEY breaker is rated at 14kAIC at 480Y/277VAC, the TEYF series offers a higher interrupting rating of 18kAIC at the same voltage.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions. As a result, the TEYF390 may arrive with either ABB or GE branding, but the breaker maintains the exact same form, fit, function, and UL listings.
Can the TEYF390 be used in DC electrical systems?
Yes, this thermal magnetic breaker is UL listed for DC applications with an interrupting rating of 10kAIC at 250VDC.
Can I substitute the TEYF390 for other TEY frame breakers?
Yes, the TEYF390 shares the same physical footprint as TEY, TEYD, TEYH, and TEYL breakers. It can replace a standard TEY390 if a higher 18kAIC rating is required, or substitute for higher tier breakers if the system fault current requirements do not exceed 18kAIC at 480Y/277VAC.
Are the trip settings on the TEYF390 adjustable?
No, the TEYF390 features a non-interchangeable trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous protection.
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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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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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