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SR4B3B01S - Compact 22.5mm Safety Relay for Emergency Stop Monitoring

SR4B3B01S - Compact 22.5mm Safety Relay for Emergency Stop Monitoring

SKU: SR4B3B01S Download PDF

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  • SR4B3B01S - Compact 22.5mm Safety Relay for Emergency Stop Monitoring
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Description:

Monitor critical safety functions with this compact safety relay, designed to oversee emergency stop switches, safety switches, and AOPDs Despite its narrow installation width of just 225 mm, it provides ample space for status display indicators and allows for the attachment of an operating equipment label, ensuring efficient functionality and clear communication of operational conditions.

Features and Benefits:

    •Installation width just 22,5 mm.

    •Clear terminal assignment thanks to coding pins.

    •Circuit diagram directly on the housing.

    •Optional cross-circuit monitoring.

Specifications:

 Supply Voltage (DC) 20.4 ... 28.8 V DC
 Supply Voltage (AC) 20.4 ... 26.4 V AC
 Input wiring 1-, 2-channel
 Response time (automatic start) 100 ms
 Response time (monitored start) 15 ms
 Fall time (emergency stop) < 32 ms
 Temperature Range -25 ... 60 °C
 Storage temperature -40 ... 85 °C
 Number of Safety Outputs stop 0 3
 Switching current safety output (250 V AC) 8 A
 Number of auxiliary outputs 1
 Switching current auxiliary output (24 V DC) 2 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
 Performance Level (EN ISO 13849-1), Stop 0 up to Cat. 4 PL e
 Mission Time TM (EN ISO 13849-1) 20 a
 Safety integrity level (EN 61508) Stop 0 up to SIL 3
 Stop Category (EN 60204-1) 0
 B10d Switching Cycles (mechanical) 20 000 000
 B10d Switching Cycles (40 % load) 7 500 000
 B10d Switching Cycles (60 % load) 2 500 000
 B10d Switching Cycles (80 % load) 1 000 000
 B10d Switching Cycles (100 % load) 400 000
 Cross-circuit detection optional
 Start, monitored yes
 Start, automatically yes
 Contactor Monitoring yes
 Input signal NC yes
 Input signal OSSD yes

 

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