Overhead Door Magnetic Contact - 2-3/4″ (70mm) Gap, Open/Closed loop
Model Number: SM-226L-3Q
- Used for overhead doors in both industrial and residential situations where a wide gap is present
- Adjustable to fit most door-channel widths
- Switch contained in curved low-profile cast-aluminum housing for surface mounting on garage floor
- Magnet enclosed in gray ABS case on L-bracket
- 24″ (61cm) wire leads enclosed in armored cable
- Contact reed switch is SPST, deactivated rhodium on gold underplating for a longer expected life
- For open/closed loop circuits
- 23/4" (70mm) Gap
- Mounting bracket included
- Limited lifetime warranty
| Loop Type | Open/Closed loop |
| Electrical Configuration | SPDT |
| Operation Gap | 2-3/4", (70mm) |
| Material - Magnet | ABS plastic on L-bracket |
| Material - Switch | Heavy-duty cast-aluminum case |
| Material - Terminals | 24" (61cm) armored leads |
| Contacts | Deactivated rhodium on gold under-plating |
| Contact Rating | 0.02A@100VDC (max), 0.2A@10VDC (max), 2W (max) |
| Operating Temperature | -15º~+160º F (-25º~70º C) |
| Switch Cycles | 50 Million (0.1mA@5VDC) |
| Switch Dimensions | 4-5/16″x1-3/4″x7/16″ (110x44x11mm) |
| Magnet Dimensions | 3-15/16″x2″x2″ (100x51x51mm) |
| Magnet Type | Alnico 5 |
