MSI-SR-LC21-01
Safety relay
| 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 | Contactor monitoring (EDM) 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 | 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) | 
| Continuous current per current path, max. | 6 A | 
| Supply voltage UB | 24 V, AC/DC, -15 ... 10 % | 
| Power consumption, max. | 2 W, For 24 V, plus output load | 
| 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 | 
| Number of outputs, safety-oriented, non-delayed, contact-based | 2 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) | 
| 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 | 
| 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 | 
| Synchronous time monitoring tS | 200 ms | 
| Recovery time tW | 150 ms | 
| Regression delay | 25 ms | 
| Number of connections | 1 Piece(s) | 
| Function | Signal IN Signal OUT Voltage supply | 
| Type of connection | Terminal | 
| Type of terminal | Screw terminal | 
| No. of pins | 16 -pin | 
| Connection cross sections | 1 x 0.2 to 2.5 mm², wire 1 x 0.25 to 2.5 mm², wire with wire-end sleeve 2 x 0.2 to 1.0 mm², wire 2 x 0.25 to 1.0 mm², wire with wire-end sleeve | 
| Dimension (W x H x L) | 22.5 mm x 96.5 mm x 114 mm | 
| Net weight | 210 g | 
| Housing color | Gray | 
| Type of fastening | Snap-on mounting | 
| Ambient temperature, operation | -25 ... 55 °C | 
| Approvals | TÜV Rheinland c UL US | 
| Customs tariff number | 85364900 | 
| 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 | 
 
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
    
    
                                     
                         
                         
                         
                         
                         
                                             
                                             
                                             
                                             
                                             
                     
                     
                     
                     
                     
                             
                            