Allen Bradley 140G-J6H3-D15 Circuit Breaker

Feature & Principle

It is an electronic type molded case circuit breaker of Allen Bradley 140G series. It adopts LSI electronic trip unit with DIP switch adjustable setting, including long time overload protection, short time delay short circuit protection and instantaneous short circuit protection. It can monitor three-phase current in real time, cut off the circuit quickly when abnormal fault occurs, avoid damage of transformer, cable and downstream load. Compact J frame structure, support panel mounting, suitable for factory power distribution, pump and fan feeder protection.

Specifications

Model: 140G-J6H3-D15 Brand: Allen Bradley Series: 140G Frame: J frame Frame rating: 250A Rated current: 150A Poles: 3P Breaking capacity: 65kA@480VAC Trip type: LSI electronic adjustable Working voltage: Up to 600VAC Mounting: Panel mount Protection class: IP40 (front) Certification: UL489, CSA, IEC 60947-2

Components & Diagnostics

Current transformer sampling unit, LSI electronic trip board, DIP setting switch, operating mechanism, arc extinguishing chamber, plastic insulated housing, main wiring terminal. Common faults: false tripping, fail to trip under short circuit, abnormal heating, trip parameter loss.

Product Brief

Allen Bradley 140G-J6H3-D15 molded case circuit breaker, electrical distribution spare widely used for industrial low voltage distribution system overhaul and replacement.