ElectricThe ZB4BA2 is a Push Button Switch Actuator from Schneider Electric. It is made from a type of plastic known as polyamide and is suitable for use in control cabinets, steps, and machine constructions. The actuator is a membrane type button with two-stage operation for stop/start and reset operations. The illumination is white with an LED unit and a resistor mounted on the back. The operating temperature ranges from -25 to +50 degrees Celsius, and the operating temperature range is 5 to 95%. The mechanical durability is 50000 with NC contact, and 25000 with NO contact. The actuator also has a dust and water protection of IP67.