The FC410SNM Sounder Notification Module is designed to provide an output, in response to a command signal from a controller, to activate a number of polarised and suppressed sounders. The sounders are powered from an independent power supply and the module is capable of passing up to a maximum of 2A (eg, 24VDC 50 mA company sounders or a mixture of different current rated sounders not exceeding a maximum current of 2A).