ABB / General ElectricTHED136020
ABB / General Electric THEF134020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
ABB / General Electric
THEF134020
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THEF134020
Quantity
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ABB / General Electric THEF134020 - 20A 3 Pole Molded Case Circuit Breaker
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Description
A drop-in solution for commercial facilities, the THEF134020 is a 20A, 3-pole molded case circuit breaker. It utilizes thermal-magnetic technology to safeguard three-phase networks. Designed with a bolt-on configuration, this unit integrates into GE A-Series panelboards. For users maintaining older infrastructure, it crosses over to the THED136020. This E-Frame breaker carries a 65kAIC rating at 240V and features a common trip mechanism to ensure all poles open simultaneously.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THEF134020 |
| Series | THEF |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, GE Switchboards, Motor Control Centers |
| Wire Gauge | 14-3 AWG (Cu), 12-1 AWG (Al) |
| Max Wire | 3 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Common Trip |
Product FAQs
6 answersWhat equipment is compatible with the THEF134020 circuit breaker?
This bolt-on breaker is designed for installation in GE A-Series panelboards, GE switchboards, and motor control centers.
What wire sizes are supported by the THEF134020 terminals?
The standard lugs accommodate 14-3 AWG copper (Cu) wire or 12-1 AWG aluminum (Al) wire.
Is the THEF134020 suitable for direct current (DC) applications?
Yes, in addition to its AC ratings, this breaker is rated for use in 250VDC systems with a 10kAIC interrupting capacity.
Are the trip settings on the THEF134020 adjustable?
No, it features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection functions without adjustable dials.
Which GE breaker family does the THEF134020 belong to?
It is part of the legacy GE E-Frame group, specifically the E150 line of molded case circuit breakers.
How does the THEF134020 mount into the panel?
It utilizes a bolt-on connection type, securing directly to the busbar in compatible GE enclosures and panelboards.
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