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| Basic data | Series: MSI-SR-LC21 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) 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: 78 years, EN ISO 13849-1 PFHD: 1,7E-09 per hour Mission time: 20 years, EN ISO 13849-1 Category: 4, EN ISO 13849-1 DCAVG: 99 % B10d at DC13 (inductive load): 435,000 number of cycles, (2.5 A, 230 V), 700,000 (1 A, 230 V) B10d at AC15 (inductive load): 230,000 number of cycles, (3 A, 230 V), 380,000 (1 A, 230 V) |
| Electrical data | Continuous current per current path, max.: 6 A Performance data Supply voltage UB: 24 V, AC/DC, -15 ... 10 % Power consumption, max.: 2 W, For 24 V, plus output load Supply circuit Nominal voltage UN: 24 V Nominal frequency: 50 ... 60 Hz Operating voltage: 0.85 ... 1.1 x UN Rated power DC: 2 W Galvanic isolation between supply and control circuit: No Output circuit Number of outputs, safety-oriented, undelayed, contact-based: 2 Piece(s) Number of outputs, safety-oriented, delayed, contact-based: 0 Piece(s) Number of outputs, signaling function, undelayed, contact-based: 1 Piece(s) Release current paths: NO Signaling current paths: NC Contact material: Ag alloy, gold-plated Usage category AC-15 (NO contact): Ue 230V, Ie 3A Usage category DC-13 (NO contact): Ue 24V, Ie 2,5A Short circuit protection (NO contact): gG class safety fuse 6A, melting integral Max. thermal continuous current Ith, release current paths: 6 A Max. thermal continuous current Ith, signaling current paths: 3 A Max. total current I² of all current paths: 9 A² Mechanical life time: 100,000,000 switching cycles Control circuit Evaluation of the inputs: Two-channel Input current at the control inputs (safety circuit/reset circuit): 40 mA Max. peak current at the control inputs (safety circuit/reset circuit): 100 mA Max. cable resistance, per channel: ≤ (5 + (1.176 x UB / UN - 1) x 100) Ω Minimum switch-on time: 50 ms Response time (automatic start tA2): 500 ms Response time (manual start tA1): 40 ms Test pulse time permitted tTP: 1 ms Release time tR: 25 ms Sychronous time monitoring tS: 200 ms Recovery time tW: 150 ms |
| Time behavior | Regression delay: 25 ms |
| Connection | Number of connections: 1 Piece(s) Connection 1 Function: Signal IN Signal OUT Voltage supply Type of connection: Terminal Type of terminal: Spring-cage terminal No. of pins: 16 -pin Cable properties Connection cross sections: 2 x 0.2 to 1.5 mm², wire 2 x 0.25 to 1.5 mm², wire with wire-end sleeve |
| Mechanical data | Dimension (W x H x L): 22.5 mm x 106.5 mm x 114 mm Net weight: 210 g Housing color: Gray Type of fastening: Snap-on mounting |
| Environmental data | Ambient temperature, operation: -25 ... 55 °C |
| Certifications | Certifications: TÜV Rheinland c UL US |
