MSI-SR-ES20-03
Safety relay
| Series | MSI-SR-ES20 |
| Application | Base device for E-Stop applications |
| Functions | Monitoring of E-Stop circuits Monitoring of position switches Monitoring of proximity switches |
| Restart | Automatic Manual |
| SIL | 2, IEC 61508 |
| SILCL | 2, IEC/EN 62061 |
| Performance Level (PL) | d, EN ISO 13849-1 |
| PFHD | 2E-07 per hour |
| Mission time | 20 years, EN ISO 13849-1 |
| Category | 3, EN ISO 13849-1 |
| Nominal voltage UN | 24 V AC/DC |
| Nominal frequency | 50 ... 60 Hz |
| Rated control supply voltage US at AC 60 Hz | 20.4 V |
| Rated control supply voltage US at AC 50 Hz | 26.4 V |
| Max. rated control supply voltage at AC 50 Hz | 26.4 V |
| Min. rated control supply voltage US at AC 50 Hz | 20.4 V |
| Min. rated control supply voltage US at DC | 20.4 V |
| Max. rated control supply voltage at DC | 26.4 V |
| Min. rated control supply voltage at DC | 20.4 V |
| Rated power AC | 2 V·A |
| Rated power DC | 1 W |
| Galvanic isolation between supply and control circuit | No |
| Number of outputs, safety-oriented, non-delayed, contact-based | 2 Piece(s) |
| Release current paths | NO |
| Contact material | Ag alloy |
| Usage category AC-15 (NO contact) | Ue 230V, Ie 3A |
| Usage category DC-13 (NO contact) | Ue 24V, Ie 3A |
| Short circuit protection (NO contact) | gG class safety fuse 6A, melting integral |
| Nominal switching voltage, release current paths AC | 240 V |
| Nominal switching voltage, release current paths DC | 50 V |
| Max. thermal continuous current Ith, release current paths | 6 A |
| Max. total current I² of all current paths | 72 A² |
| Mechanical life time | 100,000,000 switching cycles |
| Evaluation of the inputs | One-channel |
| Nominal output voltage DC | 24 V |
| Input current at the control inputs (safety circuit/reset circuit) | 50 mA |
| Max. peak current at the control inputs (safety circuit/reset circuit) | 70 mA |
| Max. cable resistance, per channel | ≤ (5 + (1.333 x UB / UN - 1) x 200) Ω |
| Minimum switch-on time | 30 ms |
| Response time (automatic start tA2) | 70 ms |
| Response time (manual start tA1) | 20 ms |
| Release time tR | 70 ms |
| Recovery time tW | 200 ms |
| Number of connections | 1 Piece(s) |
| Function | Signal IN Signal OUT Voltage supply |
| Type of connection | Terminal |
| Type of terminal | Spring-cage terminal |
| No. of pins | 8 -pin |
| 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 |
| Dimension (W x H x L) | 22.5 mm x 96.5 mm x 91.5 mm |
| Net weight | 120 g |
| Housing color | Gray |
| Type of fastening | Snap-on mounting |
| Approvals | TÜV Rheinland c UL US |
| Customs tariff number | 85364900 |
| ECLASS 8.0 | 27371819 |
| ECLASS 9.0 | 27371819 |
| ETIM 5.0 | EC001449 |
| ETIM 6.0 | EC001449 |