The Allen-Bradley 140G-K0F4-D40 is a 400A molded case circuit breaker with adjustable thermal and magnetic protection, ensuring reliable operation in demanding electrical systems.
Product Model140G-K0F4-D40
Product ID108562
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable PerformanceThe Allen-Bradley 140G-K0F4-D40 provides consistent performance in high-current applications, ensuring your electrical system operates smoothly and efficiently.
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2. Adjustable ProtectionWith adjustable thermal and magnetic protection, this circuit breaker can be tailored to meet specific operational needs, enhancing overall system reliability.
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3. High-Altitude CapabilityDesigned to operate at 90% of its voltage rating at 3000 meters (9840 feet) altitude, this breaker is suitable for a wide range of industrial environments.
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4. Durable ConstructionBuilt with durable materials and designed for longevity, the 140G-K0F4-D40 ensures a long service life even under harsh conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Number of poles
4
With integrated under voltage release
False
Integrated earth fault protection
False
Complete device with protection unit
True
Rated permanent current Iu
400 A
Type of control element
Toggle
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5. Comprehensive SpecificationsFeaturing a 400A rating, 80% MCCB current range, and an interrupting rating of 65kA at 600V AC, this breaker meets stringent industry standards for safety and performance.
