Description
The Allen Bradley 188-J3D040 is a reliable 3-pole miniature circuit breaker (MCB) offering robust protection for industrial electrical systems. With a 4A current rating and a Type D tripping curve, this MCB is specifically engineered to handle high inrush currents common in applications such as motor control. This ensures that the breaker does not trip unnecessarily during motor startup, while still providing rapid protection against severe overloads and short circuits. The Allen Bradley 188-J3D040 is a critical component for maintaining operational continuity and safety.
This industrial-grade MCB is built for durability and consistent performance in demanding environments. The 3-pole configuration is essential for applications requiring the disconnection of all three phases simultaneously, ensuring complete isolation and enhanced safety. The Type D characteristic is ideal for protecting equipment that experiences significant temporary current surges, such as induction motors.
Key applications for the Allen Bradley 188-J3D040 include safeguarding three-phase motors, transformers, and other inductive loads. Its presence in control panels and distribution boards is vital for preventing damage to equipment and mitigating fire hazards. The Allen Bradley 188-J3D040 contributes significantly to the overall reliability and safety of industrial power systems.
Invest in the trusted protection of Allen Bradley for your critical electrical infrastructure. The 188-J3D040 MCB delivers the performance and durability required for the most challenging industrial applications. Ensure the safety and efficiency of your operations with this high-quality circuit protection device.







