There is a signal light for each channel to clearly know which switch is working. Adopts single chip design, possess stable and performance, strong anti interference, no false trigger with superior performance.
eBay
Each adopts optocoupler isolation, which has strong anti-interference ability. Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board.
eBay
Using SMT optocoupler isolation, it has strong driving ability and stable performance; trigger current is 5mA. Using SMT optocoupler isolation, it has strong driving ability and stable performance; trigger current is 5mA;.
eBay
Optional: High Level Triggering / Low Level Triggering. Specifications: Item：8 Channel Solid Relays Module Board.
eBay
There is a light for each channel to clearly know which switch is working. Particularly suitable for the electronic circuit design of students in colleges and universities, can be connected with a single chip, or add a first level amplifier to drive a relay or a small DC motor.
eBay
When com is shorted to low, the corresponding relay is a low level trigger. When com is shorted to high, it is a high level trigger. Using double optocoupler isolation, strong drive capability, stable performance; trigger current 5mA;.
eBay
Made of the high quality miniature optocoupler, anti‑interference ability, stable performance. Made of the high quality miniature optocoupler, anti-interference ability, stable performance. High/low level trigger can be switched.
eBay
Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board. x Relay Module. Maximum load : 10A. Each adopts optocoupler isolation, which has strong anti-interference ability.
eBay