2/4/8 Channel DC 12V/24V Relay Module Input Single-Chip PLC Signal Isolation Amplifier Board
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$21.89
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Features:
1. Using Omron G2R-1 relay, the contact current can reach 10A
2. Compatible with two signal input modes, positive control and negative control
3. Adopting two-way LED indicator, the relay coil will be disconnected, and the water will be reversely conducted, which plays a role of freewheeling protection
4. The output contact has a surge protection function
5. Each channel has an LED indicator
6. The relay adopts a pluggable base, and each relay circuit is independent, compatible with other brand relays, and is convenient for maintenance and replacement.