CZSR8302-2AT1BT1S is a two-wire/four-wire safety mat input with 2-way normally open (NO) safety output contacts (delay disconnection can be set) and 1-way normally closed (NC) safety Relay for auxiliary output contact (delay disconnection can be set) and 1-way semiconductor auxiliary output (instantaneous disconnection). It can select manual/automatic reset and has reset button monitoring function.