The SR SELECT is a multi-function safety interface that can handle four different operating modes allowing it to be used with different types of safety devices such as safety light curtains, devices with static output, dual channel emergency switches, two hand controls or safety photocells. All of these different safety functions are easily selectable via a rotary switch located on the front of the relay and the SR SELECT also has a selectable manual or automatic restart function.
The SR SELECT comes with 2 NO outputs with guided contact safety relays and 1 system monitor PNP output as well as 1 external contactors feedback input and 1 system test input. Connection is via terminal block with reverse polarity protection and status is indicated by way of LEDs for input, output and fail modes. The SR SELECT has a response time of < 20ms, a device lifetime of 20 years and carries a protection rating of IP 20 for the housing and IP 2X for the terminal blocks