Wieland Schleicher

SNT 4M63K Safety Relay for Emergency Stop & Valve Monitoring For use in emergency stop applications and for valve position Monitoring Base unit in accordance with EN 60204-1 and EN 954-1 Safety category 4 pursuant to EN 954-1 Stop category 0 pursuant to EN 60204-1 Manual or automatic start Cross-circuit detection Control loop for monitoring external contactors 3 enabling paths, N/O force guided Antivalent and equivalent control LED displays for operating voltage, channel 1 and channel 2 Enclosure width 22.5 mm Supply current circuit Nominal voltage U N : 24 VAC / DC or 230 VAC Nominal frequency: 50 → 60 Hz Operating voltage range: 0.85 → 1.1 x U N Control circuit Response time t A1 (S34): 20 → 40 ms Response time t A2 (S35): 200 → 600 ms Fallback time t R (K1, K2): Output circuit Contact assignment: 3NO Contact type: Force guided Nominal switching voltage U n : 230 Vac / 300 Vdc Max. Continuous current I n per current path: 6A Max. total current of all current paths: 12 A (at 24 V) / 8 A (at 230 V) Mechanical lifespan: 10 x 10 6 General data Connection type: Screw terminals Protection rating enclosure / terminals: IP40 / IP20 Dimensions (H x W x D): 96.5 x 22.5 x 114 mm Weight: 210 g (DC version) / 250 g (AC version) Ambient temperature: -25 °C → +55 °C Approvals   CE, BG, GS, UL, CSA Standards EN 954-1, EN 60204-1

SNT 4M63K Safety Relay for Emergency Stop & Valve Monitoring For use in emergency stop applications and for valve position Monitoring Base unit in accordance with EN 60204-1 and EN 954-1 Safety category 4 pursuant to EN 954-1 Stop category 0 pursuant to EN 60204-1 Manual or automatic start Cross-circuit detection Control loop for monitoring external contactors 3 enabling paths, N/O force guided Antivalent and equivalent control LED displays for operating voltage, channel 1 and channel 2 Enclosure width 22.5 mm Supply current circuit Nominal voltage U N : 24 VAC / DC or 230 VAC Nominal frequency: 50 → 60 Hz Operating voltage range: 0.85 → 1.1 x U N Control circuit Response time t A1 (S34): 20 → 40 ms Response time t A2 (S35): 200 → 600 ms Fallback time t R (K1, K2): Output circuit Contact assignment: 3NO Contact type: Force guided Nominal switching voltage U n : 230 Vac / 300 Vdc Max. Continuous current I n per current path: 6A Max. total current of all current paths: 12 A (at 24 V) / 8 A (at 230 V) Mechanical lifespan: 10 x 10 6 General data Connection type: Screw terminals Protection rating enclosure / terminals: IP40 / IP20 Dimensions (H x W x D): 96.5 x 22.5 x 114 mm Weight: 210 g (DC version) / 250 g (AC version) Ambient temperature: -25 °C → +55 °C Approvals   CE, BG, GS, UL, CSA Standards EN 954-1, EN 60204-1