A system which is composed of a blower unit for a powered air purifying respirator and an electrically powered accessory. The blower unit has a blower device and a battery for powering the blower device. And the accessory is equipped with a power connector. The blower unit provides a power outlet for connection with the power connector. The power connector has a plug. Furthermore the power connector has an unplug lever for retracting the plug for unplugging. The unplug lever and the plug are connected by a pivot joint that forms a pivot axis. The unplug lever forms a handle arm and a counter arm that extend away from the pivot joint in opposite directions.