1. high capacity, can switch 80A current
2. safe
3. coil parameters: voltage DC: 24V, a wide range of applications
4. environmental temperature can bear a large range
5. high dielectric withstand voltage
6. long life
- Connection method: the relay on the back side of the mark 85 and 86 power supply positive and negative pole (does not distinguish between positive and negative poles)
87 and 30 need to control the equipment; if equipped with a socket, the red line corresponds to the 87