SDC
SDC UR2-4 two-station door controller
Four-relay controller for coordinating two doors, interlocks and shared-bathroom access logic.
- Model / SKU
- UR2-4
- Category
- Interfaces & Accessories
- Product type
- Door sequencing interface
- Role
- Control interface
Control & power
- Control type
- Dry-contact input
- Power supply
- 12 or 24 V DC ±10%; 140 mA maximum
Use the dry station/auxiliary inputs with a selected two-door logic mode. Supply DC separately; configure each output as dry contact or powered output.
A suitable smart controller can expose supported functions to Matter. The control type alone does not confirm electrical compatibility or actual position feedback.
Technical specifications
- Supply
- 12 or 24 V DC ±10%; 140 mA maximumSource ↗
- Stations
- 2; four dry activation and four auxiliary inputsSource ↗
- Outputs
- 4 SPDT relays, 7 A at 30 V DC; individually selectable dry or voltage outputSource ↗
- Output protection
- 2 fused and 2 non-fused relay circuitsSource ↗
- Applications
- Two-door interlock and shared-bathroom logicSource ↗
Selection & installation notes
- Requires installation-specific configuration and compatible door hardware.
Sources & documentation (4)
- SDC UR2-4 — manufacturer information ↗Reviewed Nov 5, 2026
- SDC UR series model comparison ↗Reviewed Nov 5, 2026
- SDC UR2-4 installation instructions ↗Reviewed Nov 5, 2026
- SDC UR series datasheet ↗Reviewed Nov 5, 2026