Representative product-family image. The exact configuration may differ.
SDC
SDC Spacesaver 1291AH Electric Bolt
Fail-secure concealed electric bolt that stays locked without power, with automatic relocking after the door closes.
- Model / SKU
- 1291AH
- Category
- Locks & Access
- Product type
- Electric bolt lock
- Role
- Actuator / load
Control & power
- Control type
- Switched power
- Power supply
- 12 or 24 VDC ±10%
Supply power to retract the bolt; removing power restores the locked state. Use a DC-rated relay and the supplied power regulator. Mechanical override requires the separately specified DMR variant.
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
Selection & installation notes
- A fail-secure bolt alone does not provide mechanical free egress. Select the required release hardware and exact door application.
Sources & documentation (2)
- SDC 1291AH product information ↗Reviewed Nov 5, 2026
- 1091 and 1291 series datasheet ↗Reviewed Nov 5, 2026