Product Page: SR3A - Safety Relay

     

 

SR3A is a safety switching device specially designed for sensors with antivalent logic (normally open / normally closed combination).

In case of danger, the moving parts of a machine or system can be quickly and safely shut down via three safe relay contacts.

Feature Value
SR3A
Safety function Monitoring of sensors with antivalent logic
Certified according to EN 60204-1; DIN EN ISO 13849-1; EN 62061; IEC 61508 Teil 1-2 und 4-7; IEC 61511-1
Approvals CE, TUV
Supply voltage AC/DC 24 V / AC 115 V / AC 230 V
Number of safe relay contacts 3
Max. switching capability of safe relay contacts 8 A / 250 VAC resistive load
Number of auxiliary relay contacts 1 relay
Number of non time-delayed contacts 3
Number of time-delayed contacts -
Starting behavior Automatic start or manual,
monitored start
PL; Cat.; SILCL (EN ISO 13849-1; EN 62061) PL e; Cat. 4; SILCL 3
Width 22.5 mm
Order No. fixed screw terminals 472262 (24 V) / 472261 (115 V) / 472260 (230 V)
Order No. plug-in screw terminals 474262 (24 V) / 474261 (115 V) / 474260 (230 V)
Order No. push-in twin spring connector 475262 (24 V) / 475261 (115 V) / 475260 (230 V)
Accessories
Order No. EKLS4; set of plug-in screw terminals 472592
Order No. EKLT4; set of push-in twin spring connector 472595
Order No. Spacer for a defined minimum distance between two safety relays (see derating) 472596

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