The A9D31616 is a modular residual current breaker with overcurrent protection (RCBO) designed for electrical safety and circuit management. It features a 1P+N configuration, providing protection for one protected pole plus the neutral. The device is rated for a current of 16A and has a residual current sensitivity of 30mA, making it suitable for detecting earth faults. It is a C-curve type circuit breaker with a maximum surge current capacity of 250A and an interrupting capacity of 6000A. The mounting mode is clip-on, with dimensions of approximately 85 mm in height and 73 mm in depth, and it weighs around 125 grams. The A9D31616 is typically used as part of a system to ensure safety by disconnecting power in case of residual current faults.

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