
THEF136040 - 40 Amp Circuit Breaker Description
THEF136040 - 40 Amp Circuit Breaker
The THEF136040 Circuit Breaker is a 40-amp, three-pole industrial molded-case circuit breaker for your compatible commercial and industrial electrical distribution systems. As part of the THEF series, this breaker features a non-interchangeable thermal-magnetic trip unit that provides thermal overload and magnetic short-circuit protection. Its molded case construction and included load-side lugs make it a specific configuration to consider when maintaining or replacing circuit breakers in established electrical installations.
Key Features and Benefits
- 40-Amp Current Rating
- Three-Pole Circuit Breaker Configuration
- Thermal-Magnetic Trip Protection
- Non-Interchangeable Trip Unit
- 14kA Interrupting Capacity at 480VAC
- Load-Side Lugs Included
- Industrial Molded Case Construction
- Defined Physical Dimensions
- THEF Series Configuration
- Overload and Short-Circuit Protection
- Form, Fit, and Functional Replacement Considerations
Technical Specifications
-
Catalog Number: THEF136040
-
Product Type: Molded Case Circuit Breaker
-
Product Category: Industrial Circuit Breaker
-
Series / Type: THEF
-
Rated Current: 40 Amperes (40A)
-
Number of Poles: 3
-
Trip Unit Type: Non-Interchangeable Thermal-Magnetic
-
Overload Protection: Thermal
-
Short-Circuit Protection: Magnetic
-
Interrupting Capacity at 480VAC: 14,000 Amperes (14kA)
-
Voltage Associated with Specified Interrupting Rating: 480VAC
-
Load-Side Lugs: Included
-
Line-Side Lugs: Not specified in the supplied product information
-
Terminal Configuration: Load-Side Lugs Supplied
-
Height / Length: 6.31 Inches
-
Width: 4.13 Inches
-
Depth: 3.38 Inches
-
Overall Dimensions: 4.13" W × 6.31" L × 3.38"D
-
Approximate Shipping Weight: 6.50 lbs.
Material Compliance and Certifications
The THEF136040 Industrial Molded Case Circuit Breaker features molded case construction, a non-interchangeable thermal-magnetic trip unit, and included load-side lugs.
Before placing the breaker into service, qualified electrical personnel should verify equipment compatibility, required certifications, mounting provisions, conductor connections, and terminal requirements.
Where It Works Best
- Existing Commercial Electrical Systems
- Industrial Power Distribution Equipment
- Three-Phase Electrical Applications
- Industrial Machinery and Equipment Protection
- Facility Maintenance and Electrical Repairs
- Legacy Electrical Distribution Systems
- Matching THEF Circuit Breaker Replacements
- Compatible 40-Amp Electrical Circuits
- Commercial and Industrial Electrical Restoration
- Applications Requiring a 14kA Rating at 480VAC
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:4.13
- Height:6.31
- Depth:3.38
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:14k @ 480VAC
- Type:THEF
- Approx Dimensions:4.13"W x 6.31"L x 3.38"D
- Additional Notes:Molded Case Industrial Circuit Breaker with Non-Interchangeable Thermal Magnetic Trip Unit. Includes Load-Side Lugs - discontinued by the manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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).

