Features

• EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508. TUV, UL, CSA. This product is suitable for Class A environments only. SIRIUS 3TK28 Safety Relay/Contactor Expansion Units. The 3TK28 56 and 3TK28 57 safety expansion modules are used to increase the number of enabling circuits of the SIRIUS 3TK28 Safety Relay/Contactor. The expansion module will retain the same safety integrity as the base unit. Available with spring-loaded or screw terminals. IP20 protection of housing and terminal Ambient temperature during operation -25 to +60°C