| 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 |
SR3A - 3NO/1NC antivalent - safety module
Downloads
Operating Instructions SR3A (2.5 MiB)- TUV Certificate Safety Relays (626.0 KiB)
- CCC Certificate (681.5 KiB)
- CE Declaration (885.2 KiB)
EPLAN Macro SR3C 24V (133.5 KiB)- EPLAN Macro SR3C 115V (133.5 KiB)
- EPLAN Macro SR3C 230V (133.5 KiB)
- CE Declaration (1.3 MiB)
- UKCA Declaration of Conformity Relays (382.5 KiB)
- UL Certificate of Compliance for Zander Safety Relays E135050 (480.1 KiB)
SR3A is a safety switching device specially designed for sensors with antivalent logic (normally open / normally closed combination).
The SR3A can also be used as a safe coupling relay with fault monitored control.
In case of danger, the moving parts of a machine or system can be quickly and safely shut down via three safe relay contacts.
