ABB / General ElectricTEL136020WL
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ABB / General Electric TEL134020WL Miniature Circuit Breaker
- 20A
- 3 Pole
- Unit Mount
ABB / General Electric
TEL134020WL
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TEL134020WL
Quantity
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ABB / General Electric TEL134020WL - 20A 3 Pole Miniature Circuit Breaker
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Description
Engineered for commercial and industrial applications, the GE TEL134020WL delivers current-limiting protection for heavy-duty systems. The thermal-magnetic trip unit ensures precise response to overloads and short circuits. This unit-mount breaker installs into GE A-Series panelboards, switchboards, and motor control centers. It serves as an upgrade for the standard TED134020WL and transitions to the Tmax XT1N series. Rated at 65 kAIC at 480V, it restricts let-through energy during faults.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TEL134020WL |
| Series | TEL |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 10kA @ 250VDC, 10kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 14-3 AWG (Cu) or 12-1 AWG (Al) |
| Max Wire | 3 AWG (Cu) / 1 AWG (Al) |
| Min Wire | 14 AWG (Cu) / 12 AWG (Al) |
| 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 |
|---|---|
| Accessories | Line & Load Lugs (TCAL12) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break, Non-Interchangeable Trip, Reverse Feed |
| Special Features | Current Limiting |
Product FAQs
9 answersWhat equipment is the TEL134020WL circuit breaker designed to fit?
This E-Frame breaker is compatible with GE A-Series panelboards, switchboards, motor control centers, and standalone enclosures that accept unit mount, feed-thru breakers.
What does the "WL" suffix mean in the TEL134020WL catalog number?
In GE nomenclature, the "WL" suffix indicates that the breaker is a feed-thru configuration and comes factory-equipped with both line and load side wire lugs.
How does the TEL134020WL mount inside an enclosure?
It is a unit mount breaker, meaning it mounts independently to the enclosure backpan or mounting plate and connects to the circuit via line and load lugs, rather than bolting directly to a panelboard bus.
What are the acceptable wire sizes for the factory lugs on this breaker?
The lugs are rated for dual-material conductors, accepting 14 to 3 AWG copper (Cu) wire or 12 to 1 AWG aluminum (Al) wire.
Is the TEL134020WL suitable for direct current (DC) systems?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for DC applications, offering a 10kA interrupting capacity at both 250VDC and 500VDC.
How does the interrupting capacity (AIC) scale depending on the system voltage?
The breaker is rated as current-limiting with a 65kA interrupting capacity at 480V AC. When installed in lower-voltage 240V AC systems, the AIC rating increases to 100kA.
What frame family does the TEL134020WL belong to?
It is part of the legacy General Electric E-Frame (specifically the E150 line) of molded case circuit breakers.
Are the trip settings on the TEL134020WL adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The Long-Time (L) and Instantaneous (I) protection functions are factory-set and cannot be adjusted in the field.
Will this breaker be branded as GE or ABB?
Following ABB's acquisition of GE Industrial Solutions, E-Frame breakers like the TEL134020WL may carry either General Electric or ABB branding depending on the manufacturing date, but they are physically and technically identical.
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