Home Wenglor Safety Relay SG Series SR4D3B01S Wenglor SR4D3B01S Safety Relay The Wenglor SR4D3B01S Safety Relay offers 20.4 ... 26.4 V AC supply voltage, -25 ... 60 °C temperature range, IP20 degree of protection, Screw Clamp (pluggable) connection. Manufactured by Wenglor under the Wenglor Safety Relay category, this model belongs to the Wenglor SG Series .
Brand Wenglor Product Type Safety Relay Model Number SR4D3B01S
Wenglor SR4D3B01S Safety Relay – Technical Specifications Specification Value Supply Voltage 20.4 ... 26.4 V AC Input wiring 1-, 2-channel Response time (automatic start) 120 ms Fall time (emergency stop) < 20 ms Temperature Range -25 ... 60 °C Number of Safety Outputs stop 0 2 Switching current safety output (250 V AC) 8 A Housing Material Plastic Degree of Protection IP20 Connection Screw Clamp (pluggable) Clampable Wire Cross-Section 0.2 ... 2.5 mm² DIN-Rail mounting 35 mm Weight 314 g Performance Level (EN ISO 13849-1), Stop 0 up to Cat. 4 PL e Mission Time TM (EN ISO 13849-1) 20 a Stop Category (EN 60204-1) 0 / 1 B10d Switching Cycles (mechanical) 20 000 000 B10d Switching Cycles (60 % load) 2 500 000 B10d Switching Cycles (100 % load) 400 000 Start, automatically yes Input signal OSSD yes Response time (monitored start) 25 ms Storage temperature -40 ... 85 °C Safety integrity level (EN 61508) Stop 0 up to SIL 3 B10d Switching Cycles (40 % load) 7 500 000 B10d Switching Cycles (80 % load) 1 000 000 Cross-circuit detection optional Start, monitored yes Contactor Monitoring yes Input signal NC yes Off-Delay 0.1 ... 30 s Number of Safety Outputs stop 1 1 Number of Signal Outputs 1 Switching current signal output (24 V DC 100 mA Performance Level (EN ISO 13849-1), Stop 1 up to Cat. 3 PL d Safety integrity level (EN 61508) Stop 1 up to SIL 2
