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ABB / General Electric THFK236070WL Molded Case Circuit Breaker

  • 70A
  • 3 Pole
  • Unit Mount
ABB / General Electric THFK236070WL
Molded Case Circuit Breaker
Brand ABB / General Electric
SKU THFK236070WL
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  • 70A
  • 3 Pole
  • Unit Mount

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General Electric THFK236070WL 3 Pole Circuit Breaker

ABB / General Electric THFK236070WL - 70A 3 Pole Molded Case Circuit Breaker

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$3,511.09 In Stock

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Description

Designed for versatile industrial applications, this 70-amp F-Frame breaker utilizes a unit-mount configuration with factory-installed line and load lugs. This setup allows it to be installed into standalone enclosures and custom control panels rather than relying on busbar connections. It delivers 25kAIC at 480VAC with adjustable magnetic trip settings for precise coordination. Facility engineers frequently use this model to replace older Spectra SFHA36AT0070 units in existing switchgear.

Specifications

Key specifications
Brand ABB / General Electric
Part Number THFK236070WL
Series THFK
Amperage 70A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC
Fit and installation
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
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Line & 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, Interchangeable Trip Unit, Reverse Feed

Product FAQs

8 answers
Why is this breaker listed as both ABB and General Electric?

ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this THFK236070WL breaker may feature either ABB or GE branding, but the physical dimensions, fit, and function remain identical.

What does the WL suffix mean in the THFK236070WL catalog number?

The WL suffix indicates that the breaker comes factory-equipped with lug terminals on both the line and load sides.

What is the difference between the GE TFK and THFK breaker frames?

The THFK is the high-interrupting version of the standard TFK frame. It offers elevated fault protection, providing up to 65kAIC at 240VAC and 25kAIC at 480VAC.

What types of equipment are compatible with the THFK236070WL?

This F-Frame molded case circuit breaker is designed for unit-mount installation in GE A-Series panelboards, switchboards, motor control centers, and standalone enclosures.

What wire sizes and materials are accepted by the lugs on this breaker?

The included lugs accept wire gauges from 4 AWG up to 300 kcmil and are rated for use with both copper and aluminum conductors.

How does the trip unit operate on this 70A breaker?

It utilizes a thermal-magnetic trip unit with fixed thermal protection for long-time overloads and an adjustable magnetic setting for instantaneous short-circuit protection.

Can this breaker be used in direct current applications?

Yes, the THFK236070WL is rated for DC systems up to 250VDC, with a maximum interrupting capacity of 10kAIC at that voltage.

What frame group does the THFK236070WL belong to?

It is part of the GE F225 line, commonly referred to as F-Frame breakers.

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