Removable bridge safety contact, self-cleaning contacts. Protectors are provided for wiring with double insulation cable, max diameter 5mm. The AS 010 B contact contains two separate NO circuits which can be closed simultaneously by inserting the special PA 010 and PA 011 series bridges. The connected circuits must be a safety circuit and a signal circuit, it is not permitted to connect two safety circuits. The overall and mounting dimensions of the AS 010 - PA 010 pair allow it to be used to replace standard type AS 03 - AS 04 contacts without the need for structural modifications.