Profile: Klockner-moeller focuses on motor control and automation. Our product line includes circuit beakers, time relays, switches, cam switches and modular relays. Our AT 0, ATR and AT 4 limit switches feature a modular system, degree of protection NEMA 4, 23 and IEC IP 65, total insulation, personnel protection, positive operation and is suitable for use with electrical devices. Our type P1 and P3 switches are 2-position, 90° rotary operated and 3-phase manual motor controllers.