ABB / General ElectricTEYL2050B
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ABB / General Electric TEYL2045B Molded Case Circuit Breaker
- 45A
- 2 Pole
- Bolt-On
ABB / General Electric
TEYL2045B
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TEYL2045B
Quantity
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ABB / General Electric TEYL2045B - 45A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the GE TEYL2045B delivers reliable thermal-magnetic protection for 45-amp circuits. This 2-pole bolt-on MCCB installs seamlessly into GE A-Series panelboards and accepts 10-4 AWG copper or aluminum wiring. Featuring a robust 65 kAIC interrupting rating at 480Y/277VAC and 100 kAIC at 240VAC, it provides excellent fault clearing capabilities. The unit includes factory-installed load lugs and supports a variety of field-installable accessories.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEYL |
| Amperage | 45A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 125VDC, 250VDC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 42kA @ 125VDC, 20kA @ 250VDC, 100kA @ 120/240VAC |
| Frame Type | TEYL |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series 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 | Handle Tie, Padlock Attachment |
|---|---|
| Accessories | Load Lugs |
| Standards | CSA C22.2 No. 5, 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 |
Product FAQs
7 answersWhat panelboards are compatible with the TEYL2045B circuit breaker?
The TEYL2045B is a bolt-on molded case circuit breaker designed specifically for use in GE A-Series panelboards. It requires a 2-inch space (1 inch per pole) and bolts directly to the panel bus.
Can the TEYL2045B be used in DC voltage applications?
Yes, this breaker is rated for DC systems. It provides an interrupting capacity of 42kAIC at 125VDC and 20kAIC at 250VDC.
What is the difference between GE TEY, TEYF, TEYD, TEYH, and TEYL breakers?
These breakers share the same 1-inch per pole physical footprint for A-Series panelboards but offer different short-circuit interrupting tiers at 480Y/277VAC. The TEYL series provides the highest rating at 65kAIC, compared to TEY (14kA), TEYF (18kA), TEYD (25kA), and TEYH (35kA). The TEYL2045B can safely replace lower-tier models where higher fault protection is required.
What wire sizes and torque specifications apply to the TEYL2045B load lugs?
The factory-installed lugs accept 10-4 AWG copper or aluminum wire. Recommended tightening torque is 35 in-lb for #10 AWG, 40 in-lb for #8 AWG, and 45 in-lb for #6 to #4 AWG conductors.
Is the TEYL2045B suitable for reverse feed applications?
Yes, the TEYL2045B is rated for reverse feed. This allows it to be back-fed and used as a main breaker in compatible A-Series panelboards.
Does the TEYL2045B feature adjustable trip settings?
No, this breaker utilizes a standard thermal-magnetic trip unit with fixed long-time and fixed instantaneous (LI) trip functions. It is not adjustable.
Is the TEYL2045B HACR rated for HVAC applications?
Yes, TEYL frame circuit breakers are HACR rated, making them suitable for group motor applications like heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.
Total 5 star reviews: 3 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
3 reviews
- CCarloReviewingGeneral Electric TEYL3060B 3 Pole Circuit BreakerI recommend this productRated 5 out of 5 stars1/6/24Reliable with great customer service.
Reliable with great customer service. Good inventory.
- MNMike N.ReviewingABB / General Electric TEYL3020B - 20A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars1/12/22nice job
nice work thank you
- MSMark S.ReviewingABB / General Electric TEYL3050B - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/18/19Always a SNAP.
Ordering from SUPERBREAKERS is so easy, fast, and cost effective. It's always the first place I look when gathering the materials I need for a project.