ABB / General Electric THFK236110WL Molded Case Circuit Breaker
- 110A
- 3 Pole
- Unit Mount
Quantity
ABB / General Electric THFK236110WL - 110A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for heavy-duty commercial use, the THFK236110WL is a 3-pole, 110A legacy F-Frame circuit breaker from GE. It installs into A-Series panelboards, enclosures, and switchboards to maintain existing electrical infrastructure. When replacing this discontinued model, the Spectra SFHA36AT0110 or Tmax XT3 are compatible substitutes. The breaker features a 65kAIC rating at 240V, an interchangeable trip unit with adjustable magnetic settings, and includes factory-installed TCAL24 lugs.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THFK236110WL |
| Series | THFK |
| Amperage | 110A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | TFK |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | 4 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Line and Load Lugs Included (TCAL24) |
| Standards | CSA C22.2 No. 5, HACR Rated, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Interchangeable Trip Unit, High Interrupting Capacity, Trip-Free Mechanism, Common Trip |
Product FAQs
8 answersWhat does the WL suffix mean in the THFK236110WL catalog number?
The WL suffix indicates that the circuit breaker comes with factory-installed copper and aluminum (Cu/Al) line and load lugs.
What panelboards and equipment are compatible with the THFK236110WL circuit breaker?
This F-Frame breaker is designed for use in GE A-Series panelboards, switchboards, motor control centers, and individual enclosures.
What type of conductors can be terminated on the THFK236110WL lugs?
The factory-installed lugs are rated for both copper and aluminum (Cu/Al) conductors. They accept wire gauges from 4 AWG up to 300 kcmil. Ensure an approved oxide-inhibiting compound is used when terminating aluminum conductors.
How does the adjustable magnetic trip function operate on the THFK236110WL?
The thermal-magnetic trip unit features a fixed thermal element for overload protection and an adjustable magnetic element. The magnetic trip can be set to high, low, or intermediate settings to customize short-circuit protection based on the specific application.
Is the trip unit on the THFK236110WL interchangeable?
Yes, the THFK frame features an interchangeable trip unit. This allows the breaker's amperage rating to be modified by swapping the trip unit without replacing the entire breaker frame.
Can the THFK236110WL be used in reverse feed applications?
No. According to manufacturer specifications, GE THFK and TFK frame circuit breakers with interchangeable trip units are not suitable for reverse feed applications.
What safety precautions should be taken before installing this F-Frame circuit breaker?
Always de-energize the panelboard or switchboard before installation. Verify that the system voltage and available fault current do not exceed the 600VAC and 25kAIC at 480V ratings of the breaker. Ensure all lug connections are torqued to the manufacturer specifications.
Is the THFK236110WL manufactured by ABB or General Electric?
The breaker was originally designed and manufactured by General Electric. Following ABB's acquisition of GE Industrial Solutions, these legacy components are now branded under ABB / General Electric.
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