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| Basic data | Series: MSI-SR4B Application: E-Stop circuits Optoelectronic protective devices Position switches (mechanical contacts) Solenoid switches (reed contacts, equivalent) Transponder switches (OSSD outputs) |
| Functions | Functions: Contactor monitoring (EDM) Cross circuit monitoring Start/restart interlock (RES) Restart: Automatic Manual |
| Characteristic parameters | 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 |
| Electrical data | 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 Performance data 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 Outputs Number of safety-related switching outputs (OSSDs): 3 Piece(s) Safety-related switching outputs: Array Safety-related switching output 1: Array Safety-related switching output 2: Array Safety-related switching output 3: Array Output circuit Number of outputs, safety-oriented, undelayed, contact-based: 3 Piece(s) Number of outputs, safety-oriented, delayed, contact-based: 0 Piece(s) Number of outputs, signaling function, undelayed, contact-based: 1 Piece(s) Max. thermal continuous current Ith, release current paths: 6 A |
| Time behavior | Response time: 10 ms Pickup delay, automatic start: 300 ms Pickup delay, manual start: 30 ms Regression delay: 10 ms Test pulse acceptance, max.: 1 ms Time window for signal sequence monitoring: 20 ms |
| Connection | Number of connections: 1 Piece(s) Connection 1 Function: Connection to device Type of connection: Terminal Type of terminal: Screw terminal No. of pins: 16 -pin Cable properties Connection cross sections: 0.2 to 2.5 mm² |
| Mechanical data | Dimension (W x H x L): 22.5 mm x 99 mm x 114.1 mm Housing material: Plastic Plastic housing: PA 66 Electrical contact material: Silver alloy Net weight: 170 g Housing color: Gray Type of fastening: Snap-on mounting Mechanical life time: 10,000,000 actuation cycles |
| Operation and display | Type of display: LED Number of LEDs: 4 Piece(s) |
| Environmental data | Ambient temperature, operation: 0 ... 55 °C Ambient temperature, storage: -25 ... 70 °C |
| Certifications | Degree of protection: IP 20 (terminals) IP 40 (housing) Protection class: II Certifications: TÜV Süd c UL US |
