High-performance molded case circuit breaker with 65kA interrupt rating, thermal/magnetic trip, and 300A rated current for reliable electrical protection.
Product Model140G-K6F3-D30-CJ-MU
Product ID106361
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Interrupt RatingThe Allen Bradley 140G-K6F3-D30 boasts a 65kA interrupt rating at 480V AC, ensuring it can handle high short-circuit currents effectively, making it ideal for demanding industrial applications.
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2. Thermal/Magnetic TripThis circuit breaker features a thermal/magnetic trip mechanism, providing adjustable thermal and magnetic settings for customizable protection. This ensures that the device can be tailored to specific application requirements.
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3. Reliable ProtectionWith a rated current of 300A (80% of MCCB), the 140G-K6F3-D30 offers reliable protection against overcurrents, ensuring the safety of electrical systems and equipment.
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4. Versatile Mounting OptionsAlthough not designed for DIN rail mounting, the device's front-side screw connection for the main current circuit provides flexibility in installation, making it suitable for various mounting configurations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Number of poles
3
Number of auxiliary contacts as change-over contact
3
With integrated under voltage release
False
Integrated earth fault protection
False
Complete device with protection unit
True
Rated permanent current Iu
300 A
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5. Durable ConstructionBuilt with a robust K frame design, this circuit breaker is constructed to withstand harsh industrial environments. It has a mechanical life of 20,000 operations and can operate in temperatures up to 104°F (40°C) without derating.
