THJK426125 - 125Amp Circuit Breaker
- 125 Amp
- 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- 2 Pole
Purchase Options:
THJK426125 - 125Amp Circuit Breaker Description
THJK426125 - 125Amp Circuit Breaker
The THJK426125 Circuit Breaker is a 125-amp, two-pole molded-case breaker in the J600 product line, designed for your compatible commercial and industrial electrical distribution systems. With an interchangeable thermal-magnetic trip configuration and an LI (Long-Time and Instantaneous) trip function, this breaker provides overload and short-circuit protection per its specified trip characteristics. The THJK426125 belongs to the THJK breaker family, which uses interchangeable trip units and is intended for applications where the correct frame, trip assembly, and electrical ratings must match the existing equipment. For facilities maintaining established electrical installations, the THJK426125 offers a clearly identified configuration for form-, fit-, and function replacement.
Key Features and Benefits
- 125-Amp Current Rating
- Two-Pole Circuit Breaker Configuration
- J600 Product Line
- THJK Interchangeable Trip Design
- Thermal-Magnetic Circuit Protection
- LI Trip Function
- 400-Amp Frame Family
- Frame-Specific Trip Compatibility
- Molded Case Construction
- Replacement Configuration Identification
- Form, Fit, and Functional Replacement Considerations
Technical Specifications
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Catalog Number: THJK426125
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UPC: 783164000000
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Product Type: Molded Case Circuit Breaker
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Product Category: Thermal-Magnetic Circuit Breaker
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Product Line: J600
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Breaker Type: THJK
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Rated Current: 125 Amperes (125A)
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Number of Poles: 2
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Trip Unit Configuration: Interchangeable
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Trip Technology: Thermal-Magnetic
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Trip Function: LI (Long-Time and Instantaneous)
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Long-Time Protection: Thermal Overload Protection
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Instantaneous Protection: Magnetic Short-Circuit Protection
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Applicable Frame Range: 400A Frame Family, 125A–400A
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J600 Product Line Maximum Rating: Up to 600A and 600VAC, depending on configuration
Material Compliance and Certifications
The THJK426125 Industrial Molded Case Circuit Breaker features a molded case construction and an interchangeable thermal-magnetic trip configuration. Its published catalog information identifies a 125A current rating, two-pole arrangement, J600 frame family, and LI trip function.
The supplied product information does not fully establish specific material compositions and safety certifications. Evaluate electrical installations requiring specific approvals using the individual device's markings and applicable manufacturer documentation.
Before installation, qualified electrical personnel should confirm the correct frame and trip-unit combination, required safety listings, mounting arrangement, conductor connections, and equipment compatibility.
Where It Works Best
- Existing Commercial Electrical Systems
- Industrial Power Distribution Equipment
- Two-Pole Electrical Applications
- 125-Amp Circuit Protection
- Legacy Electrical Distribution Systems
- Matching THJK Circuit Breaker Replacements
- Industrial Machinery and Equipment Protection
- Facility Maintenance and Electrical Repairs
- 400-Amp J600 Frame Applications
- Interchangeable Trip Unit Applications
- Commercial and Industrial Electrical Restoration
- Form, Fit, and Functional Replacement Applications
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
GE®, and ABB® are registered trademarks of General Electric Company and ABB Ltd., respectively. Products sold are surplus, used, or refurbished and are NOT supplied by General Electric Company or ABB Ltd., or their affiliates.
Specifications
- Width:8.25
- Height:10.13
- Depth:3.81
- Poles:2
- Amperes:125
- A.I.C. Rating & Volts:25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- Type:THJK4
- Approx Dimensions:8.25"W x 10.13"L x 3.81"D
- Additional Notes:Q-Line, Bolt-on, HACR Rated, Molded Case Circuit Breaker with Non-Interchangeable, Thermal Magnetic Trip Unit and Internal Common Trip. Includes Load-Side Lugs - discontinued by the manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a refund, subject to our Return Policy.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).