Device for monitoring of safety-related circuits Siemens 3TK2857-1BB41 3TK28571BB41

Device for monitoring of safety-related circuits; Model Expansion device; Suitable for monitoring of position switches; Suitable for monitoring of emergency-stop circuits; Type of electric connection Screw connection; Voltage type for actuating DC; With detachable clamps; With start input; With feedback circuit; Number of outputs; safety related; delayed; with contact 3; Number of outputs; safety related; undelayed; semiconductors 1; Stop category acc. to IEC 60204 1; With approval for T?V; With approval for BG BIA; With approval according to UL; Width 90 mm; Height 132 mm; Depth 146 mm