S202M-K40

ABB's S202M-K40 miniature circuit breaker is an essential component for protecting electrical circuits. This device is rated for a maximum current of 40 Amperes and features a dual-pole configuration. It incorporates both delayed thermal and electromechanical tripping mechanisms, providing enhanced reliability and performance under diverse operating conditions. The circuit breaker is designed to trip in response to overcurrent conditions, thereby preventing potential damage to connected equipment. Operational voltages for this unit range from a low of 12 volts AC/DC to a high of 440 volts AC, making it versatile for various applications.

Equipped with a user-friendly toggle actuator, the S202M-K40 allows for easy manual operation. A red/green LED indicator enhances usability by providing immediate visual feedback regarding the operational status of the circuit breaker. Regarding performance specifications, it features a C-curve trip characteristic, suitable for general purpose applications. This circuit breaker has a power loss rating of 9.6 watts.

The short-circuit breaking capacity varies based on the application: it can handle between 18.8 and 25 kiloamperes at 230 volts AC, up to 10 kiloamperes at 400 volts AC, and 15 kiloamperes at 440 volts AC. Its rated impulse withstand voltage stands at 4 kilovolts, ensuring reliability even under high transient voltage conditions. Operating within a frequency range of 50 to 60 Hertz, it accommodates common industrial power systems, making it a reliable choice for numerous electrical protection applications.