Door Usage Security Magnetic Contact Switch
-Detecting door gap by opening
- Connecting mode: N.C. (N.O.& changeover available)
- Installation: install outwardly
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 Wired Magnetic Switch / Magnetic Contact - Surface Mount: Detecting door gap by opening, Be used to detect door, window, or drawer if it is opened or moved. It is widely used for monitoring and security system, with high reliability, small size, easy installation and operation and strong flexibility.
-Detecting door gap by opening
- Connecting mode: N.C. (N.O.& changeover available)
- Installation: install outwardly
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| Specifications | ||
| Â |
|
Related Products:
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Railroad construction wooden sleeper characteristics
Wooden sleepers ,also called Pinus Sylvestris Wooden Tie,Rail Wood Ties,Rail Hardwood Sleepers,Rail Hardwood Ties, has good elasticity, light weight, easy fabrication, and other significant characteristics of insulation performance is good. Fasteners with wood blocking connection simple, laying and maintenance, transportation is convenient, wooden sleeper and have bigger friction coefficient between gravel ballast. Wooden sleeper toughening corrosion, can absorb more than other sleeper train weight and less prone to fracture. But its drawback is that use fixed number of year is shorter, consumption of large amount of wood. Wooden sleeper easy to corrupt, the reason from insect pests, the influence of the environment and climate, and the spike on the wood blocking hole by using long relaxation, wooden sleeper most commonly so only decades of life. To effectively extend the service life, sleepers generally must be used after filling the anti-corrosion. The sleepers, now use are embalmed, to prevent pests and to extend the use fixed number of year.
Pinus Sylvestris Wooden Tie,Rail Wood Ties,Rail Hardwood Sleepers,Rail Hardwood Ties
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