ABB / General ElectricTHFK236150
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ABB / General Electric THFK236175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
ABB / General Electric
THFK236175
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THFK236175
Quantity
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ABB / General Electric THFK236175 - 175A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy F-Frame series, this 175-amp molded case circuit breaker provides robust long-time and instantaneous (LI) protection for commercial and industrial applications. It installs seamlessly into GE A-Series panelboards, switchboards, and motor control centers. Featuring a high interrupting capacity of 65kA at 240VAC, the unit includes an adjustable magnetic trip and interchangeable trip unit capabilities.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THFK236175-R |
| Series | THFK |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, Switchboards, Motor Control Centers |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Lugs (TCAL24) |
| Standards | CSA C22.2 No. 5, HACR Rated, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip, Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break |
Product FAQs
6 answersWhat panelboards and enclosures are compatible with the THFK236175?
This legacy F-Frame breaker is designed for installation in GE A-Series panelboards, switchboards, and motor control centers.
Is the THFK236175 suitable for reverse feed applications?
No. According to GE specifications, TFK and THFK series circuit breakers are not suitable for reverse feed applications. If reverse feed is required, a TFJ series breaker is typically used.
Does the THFK236175 feature an interchangeable trip unit?
Yes, the THFK series utilizes an interchangeable thermal-magnetic trip unit. This allows the trip unit to be replaced or upgraded within the 225A frame without replacing the entire breaker.
How do you decode the THFK236175 catalog number?
"THFK" designates a high-interrupting F-Frame breaker with an interchangeable trip. The "2" indicates a 225A maximum frame size, "3" is for 3 poles, "6" denotes a 600V maximum voltage rating, and "175" specifies the 175A trip rating.
Can the instantaneous trip be adjusted on the THFK236175?
Yes, this breaker is equipped with a fixed thermal and adjustable magnetic trip unit, allowing electricians to adjust the instantaneous trip settings to coordinate with other protective devices in the system.
What is the difference between GE TFK and THFK circuit breakers?
The primary difference is the short-circuit interrupting capacity. TFK breakers have a standard interrupting rating of 22kAIC at 480V, while THFK breakers feature a high interrupting rating of 25kAIC at 480V. Both share the same physical F-Frame dimensions and utilize interchangeable trip units.
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