SECO-LARM
SECO-LARM Overhead-door magnetic position contact
Heavy-duty magnetic contact with changeover feedback for an overhead door or gate.
- Model / SKU
- SM-226L-3Q
- Category
- Interfaces & Accessories
- Product type
- Door position contact
- Role
- Feedback / input
Connection & role
- Control type
- Power or feedback accessory
- Power supply
- Passive reed-contact accessory
Connect the passive contact to a compatible low-voltage input to report door position. It does not open or close the door.
This is a power or feedback component. It does not provide native Matter connectivity.
Technical specifications
Selection & installation notes
- Position sensing depends on correct magnet placement.
- Not an obstruction sensor or a safety edge.
Sources & documentation (1)
- SECO-LARM SM-226L-3Q — manufacturer information ↗Reviewed Nov 5, 2026