3WA9111-0AE02 SIEMENS

The 3WA9111-0AE02 is an accessory designed for use with 3WA and 3WL series circuit breakers from Siemens. This accessory provides instantaneous and short-delay tripping functionality, enhancing the protection capabilities of the circuit breaker. It offers both instantaneous tripping with a response time of 0.08 seconds and short-delay tripping with a response time of 0.2 seconds. The accessory operates on a 24-30 V DC power supply, ensuring compatibility with various control systems. It allows for precise coordination of protection devices in electrical distribution systems. This accessory helps to minimize downtime and equipment damage in the event of a fault. The instantaneous tripping function provides immediate protection against high-level fault currents. The short-delay tripping function allows for discrimination between different protection devices. This accessory is essential for applications requiring reliable and fast-acting protection.