Emergency stop safety relay MSI-SR4B-01

3 NONO/NC1 NC

Application - E-Stop circuits Optoelectronic protective devices Position switches (mechanical contacts) Solenoid switches (reed contacts, equivalent) Transponder switches (OSSD outputs) Functions - Contactor monitoring (EDM) Cross circuit monitoring Start/restart interlock (RES) Restart - Automatic Manual SIL - 3, IEC 61508 SILCL - 3, IEC/EN 62061 Performance Level (PL) - e, EN ISO 13849-1 MTTFd - 73 years, EN ISO 13849-1 PFHD - 2,1E-08 per hour PFHD, nop = 4800 - 0.0000000014 per hour PFHD, nop = 28800 - 0.0000000045 per hour PFHD, nop = 86400 - 0.000000015 per hour Mission time - 20 years, EN ISO 13849-1 Category - 4, EN ISO 13849-1 STOP category - 0, IEC/EN 60204-1 B10d at DC13 (inductive load) - 1,000,000 number of cycles B10d at AC15 (inductive load) - 1,400,000 number of cycles Protective circuit - Fuse on switching output, upstream Switching frequency, max. - 3600 switching cycles/h Continuous current per current path, max. - 3 A Input current, max. - 100 mA External safeguarding for supply circuit - 200 mA delay-action Permissible input line resistance, max. - 30 Ω Supply voltage UB - 24 V, AC/DC, -20 ... 20 % Current consumption, max. - Without external load Power consumption, max. - 3 W, For 24 V, plus output load Number of safety-related switching outputs (OSSDs) - 3 Piece(s) Type - Safety-related switching output OSSD Voltage type - AC/DC