electrical SCBK60 Explosion- Proof Control Box Apply to control the on-off operation of contactor, relay, lighting electrical SCBK60 Explosion- Proof Control Box Apply to control the on-off operation of contactor, relay, lighting and other electric equipment in the circuit of AC 50Hz, 220V/380V, DC voltage up to 220.The control box is composed of secure shell, Explosion-proof elements (signal ...