Switch Type = Safety-Door Switch / Contact Configuration = 2NC / Contact Configuration = 1NO / Actuator Type = Key / Switching Voltage - AC V = 250 / Switching Current - AC A = 3 / Housing Material = Aluminium / Lock Type = Guard Locking / Number of Head Directions = 4 / Service Life - Mechanical = 1 Million Cycles / Service Life - Electric = 500000 Cycles / Protection Rating = IP67 / Series = D4BL / Width mm = 116.5 / Height mm = 123.5 / Depth mm = 46.3