The 22.5 mm width fits standard panel slots. IP20 finger-safe terminals accept screw connections. The measuring voltage equals the supply voltage, so no separate sense wires — just power and the monitored line share the same terminals.
Siemens SIRIUS 3UG3535-1AC50 Monitoring Relay, 20-80 VAC/DC,
MPN3UG3535-1AC50
Siemens SIRIUS 3UG3535-1AC50 monitoring relay, 22.5 mm, snap-on mounting, IP20, 1 CO contact, measuring voltage = supply voltage, AC/DC 20...80 V, screw terminal.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product line / brand name | SIRIUS |
| Parameter | Value |
|---|---|
| Ingress protection (IP rating), wired | IP20 |
| Parameter | Value |
|---|---|
| Mounting type | snap-on mounting |
| Parameter | Value |
|---|---|
| Reference code acc. to DIN EN 61346-2 | K |
| Reference code acc. to DIN EN 81346-2 | K |
| Number of poles for main current circuit | 1 |
Product details
Frequently asked questions
What is the mounting type?
Snap-on mounting onto a 35 mm DIN rail.
What is the protection class?
IP20.
MPN
3UG3535-1AC50