ABB / General ElectricTEYH2040B
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ABB / General Electric TEYH2020B Miniature Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
ABB / General Electric
TEYH2020B
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEYH2020B
Quantity
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ABB / General Electric TEYH2020B - 20A 2 Pole Miniature Circuit Breaker
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Description
Designed to protect 480Y/277V systems, the GE TEYH2020B provides 20 amps of thermal-magnetic overcurrent defense. The two-pole configuration features an internal common trip bar, ensuring both phases disconnect simultaneously during a fault. This component integrates seamlessly into GE A-Series lighting panelboards. Its bolt-on design guarantees a rigid, reliable connection. Boasting a 35 kAIC rating at 480Y/277VAC, it is fully HACR and HID rated for heating and high-intensity lighting.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYH |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 250VDC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480Y/277VAC, 10kA @ 250VDC, 65kA @ 120/240VAC |
| Frame Type | TEY |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Lighting Panelboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 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, HACR, HID, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip |
Product FAQs
7 answersWhat panelboards are compatible with the TEYH2020B?
This breaker is designed for use in GE A-Series lighting panelboards, including AE and AS subtypes. It features a bolt-on mounting base that secures directly to the panelboard bus.
Can I use the TEYH2020B in a standard Q-Line residential load center?
No. While it is part of the Q-Line family, the TEYH2020B is a bolt-on breaker designed specifically for commercial A-Series lighting panelboards, not standard residential plug-on load centers.
What is the difference between the standard TEY2020B and the TEYH2020B?
The H in TEYH designates a higher interrupting capacity. The standard TEY2020B is rated for 14kAIC at 480Y/277VAC, while the TEYH2020B is rated for 35kAIC at the same voltage. Both share the same physical dimensions and 1-inch per pole spacing.
Is the TEYH2020B suitable for DC applications?
Yes, this thermal-magnetic breaker is rated for up to 250VDC with a 10kAIC interrupting capacity, making it suitable for specific direct current control or distribution circuits.
What wire sizes do the lugs on the TEYH2020B accept?
The factory-installed load lugs accept 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
Can the TEYH2020B be used for unit-mount or lug-to-lug installations?
Yes, but it requires a separate mounting base accessory. When fitted to the appropriate mounting base, it can be used in standalone lug-to-lug applications outside of a panelboard.
Can I upgrade a standard TEY or TEYD breaker to the TEYH2020B?
Yes. The TEY (14kAIC), TEYF (18kAIC), TEYD (25kAIC), TEYH (35kAIC), and TEYL (65kAIC) breakers all share the same physical footprint. You can upgrade to the TEYH2020B if your system requires a 35kAIC rating at 480Y/277VAC.
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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
- EHEvan H.Verified BuyerReviewingABB / General Electric TEYH3060B - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/15/26TEYH3060B
Just what we were looking for, shipped immediately.
- LLynnReviewingABB / General Electric TEYH3100B - 100A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/23Exactly right
Fast shipping. Well packaged.
- WSWilliam S.ReviewingABB / General Electric TEYH3100B - 100A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars10/18/22Very easy web site to order from
Great in stock item and the web site keeps update inventories.
- WMWesley M.ReviewingABB / General Electric TEYH3020B - 20A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars11/18/20Great service and fast shipping!
Great service and fast shipping!