Norstat now offers a PL e Safety Interface designed specifically for use with 2 hand control devices.
The AD SRT from ReeR safety has input with 3 or 4 contacts and has been designed to work specifically with 2 hand control units. The AD SRT is certified as type III C according to the EN 574 standard and reliably monitors the simultaneity between the 2 inputs. These units have guided-contact safety relays, utilize EDM feedback input for external contactors monitoring and can be used up to Cat. 4, PL e.
The AD SRT has a compact housing measuring 99mm x 22.5mm x 114mm and easily attaches via DIN rail fastening. Safety relay outputs are 2 NO + 1 NC – 6A 240 VAC / 24VDC with each NO safety output line being interrupted twice by the 2 relays. Electrical connection is on the terminal blocks and status display is via LED indicators for status, diagnostics and power for channels 1 and 2. Protection rating is IP 40 for housing and IP 20 for terminal blocks.