1. Durable, high volume, so easy to send remote signals.
2. Applied to a variety of crane, ship, fire alarm system to semd signals, as well as farm and public security alarm system.
3. Standard color: red
4. Shell material: aluminum and steel
5. Insulation resistance: 100MΩ (at 500VDC)
6. Withstand voltage: 500VAC, 50/60Hz in one minute
7. Protection garde: IP44