With CBS ArcSafe® RSA-135A Actuator, technicians can remotely close and open/trip Pringle switch from safe distance while remaining stationed outside arc-flash boundary. Unit is compatible with all type QA/CBC Pringle switches with ratings of 2,500 A and up and equipped with shunt trip. Typical uses include heavy-duty applications such as rectifier disconnects, crane and electrified rail isolation, battery disconnects, and UPS systems.