The ASCO Series 2WSNF solenoid valve coil with inbuilt surge protection, ensures you to meet surge protection requirements in your solenoid valve circuits, without having to engineer, purchase or install additional components. It enables you to meet the required level of lighting protection and ensures operation safety in a small footprint. This operator coil can be installed on the ASCO solenoid valve Series 327, 551 and 553, covering the majority of actuator piloting operations.