Schneider Electric Auxiliary Switch Block ZBE000 Manufacturer: Schneider Electric Designation: Auxiliary Switch Block Dummy, ZBE D 22mm Type: ZBE000 Type of Mechanical Accessory: Contact Block Dummy. Schneider Electric Auxiliary Switch Block ZBE000: additional details Command and signaling devices made of metal, diameter 22mm. The command and signaling devices designed for industrial use combine easy installation with great flexibility and robust designs. The sturdy 3-point mounting with just one screw provides significant safety and saves installation time.