| Brand | ZANDER AACHEN |
|---|---|
| Approvals | CE, TÜV |
| Housing width | 22.5 mm |
| Cat. / PL (EN ISO 13849-1) | PL e; Cat. 4; SILCL 3 |
| Supply voltage | AC/DC 24 V / AC 115 V / AC 230 V |
| Order number | 472302, 472301, 472300, 474302, 474301, 474300, 475302, 475301, 475300, 472592, 472595, 472596 |
ZANDER AACHEN SR3AD – 3NO/1NC antivalent safety module
- Brand
- ZANDER AACHEN
- Part number
- SR3AD
- Order number
- 472302+11 variants, see Ordering information
3NO/1NC antivalent safety module
SR3AD is certified for furnaces in continuous operation.
Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
SR3AD is certified for furnaces in continuous operation. Application for the process industry.
SR3AD 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.
Technical specifications
| Safety function | Monitoring of pressure and temperature sensors, safe coupling relay, emergency stop button |
|---|---|
| Certified according to | EN 60204-1; DIN EN ISO 13849-1; EN 62061; EN 50156-1; EN 746-2; IEC 61508 parts 1-2 and 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 |
| 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 |
Ordering information
| Fixed screw terminals | 472302 (24 V) / 472301 (115 V) / 472300 (230 V) |
|---|---|
| Incl. plug-in screw terminals | 474302 (24 V) / 474301 (115 V) / 474300 (230 V) |
| Incl. plugable push-in twin spring connector | 475302 (24 V) / 475301 (115 V) / 475300 (230 V) |
| Accessories | |
| EKLS4; set of plug-in screw terminals | 472592 |
| EKLT4; set of push-in twin spring connectors | 472595 |
| Spacer for a defined minimum distance between two safety relays (see derating) | 472596 |
Quote the order number of the variant you need in your quote request.




