MSI-SR4B-02
Safety relay
| Series | MSI-SR4B |
| 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 |
| Switching element | Relay, NO |
| Switching element | Relay, NO |
| Switching element | Relay, NO |
| Number of outputs, safety-oriented, non-delayed, contact-based | 3 Piece(s) |
| Number of outputs, safety-oriented, delayed, contact-based | 0 Piece(s) |
| Number of outputs, signaling function, non-delayed, contact-based | 1 Piece(s) |
| Max. thermal continuous current Ith, release current paths | 6 A |
| 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 |
| Number of connections | 1 Piece(s) |
| Function | Connection to device |
| Type of connection | Terminal |
| Type of terminal | Spring-cage terminal |
| No. of pins | 16 -pin |
| Connection cross sections | 0.2 to 1.5 mm² |
| Dimension (W x H x L) | 22.5 mm x 111 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 |
| Type of display | LED |
| Number of LEDs | 4 Piece(s) |
| Ambient temperature, operation | 0 ... 55 °C |
| Ambient temperature, storage | -25 ... 70 °C |
| Degree of protection | IP 20 (terminals) IP 40 (housing) |
| Protection class | II |
| Approvals | TÜV Süd c UL US |
| Customs tariff number | 85371098 |
| ECLASS 5.1.4 | 27371800 |
| ECLASS 8.0 | 27371819 |
| ECLASS 9.0 | 27371819 |
| ECLASS 10.0 | 27371819 |
| ECLASS 11.0 | 27371819 |
| ECLASS 12.0 | 27371819 |
| ECLASS 13.0 | 27371819 |
| ECLASS 14.0 | 27371819 |
| ECLASS 15.0 | 27371819 |
| ETIM 5.0 | EC001449 |
| ETIM 6.0 | EC001449 |
| ETIM 7.0 | EC001449 |
| ETIM 8.0 | EC001449 |
| ETIM 9.0 | EC001449 |
| ETIM 10.0 | EC001449 |