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| Basic data | Series: MSI-SR-CM42 Application: Extension unit for base devices in safety applications |
| Functions | Restart: Automatic |
| Characteristic parameters | SIL: 3, IEC 61508 SILCL: 3, IEC/EN 62061 Performance Level (PL): e, EN ISO 13849-1 PFHD: 1,5E-09 per hour Mission time: 20 years, EN ISO 13849-1 Category: 4, EN ISO 13849-1 |
| Electrical data | Supply circuit Nominal voltage UN: 24 V DC Rated power DC: 1.4 W Output circuit Release current paths: 4 Signaling current paths: 2 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 1A 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: 1 A Max. total current I² of all current paths: 144 A² Mechanical life time: 100,000,000 switching cycles Control circuit Max. peak current at the control inputs (safety circuit/reset circuit): 110 mA Max. cable resistance, per channel: ≤ (5 + (1.333 x UB / UN - 1) x 200) Ω Release time tR: 15 ms Recovery time tW: 30 ms |
| Connection | Number of connections: 1 Piece(s) Connection 1 Function: Signal IN Signal OUT Voltage supply Type of connection: Terminal Type of terminal: Screw terminal No. of pins: 16 -pin Cable properties 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 |
| Mechanical data | Dimension (W x H x L): 22.5 mm x 96.5 mm x 114 mm Net weight: 180 g Housing color: Gray Type of fastening: Snap-on mounting |
| Certifications | Certifications: TÜV Rheinland c UL US |
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