Keenso 4 Channel Relay Module Relay Card with Optocoupler Low Trigger Expansion Card for 5V/12V/24V (12v)
Keenso 4 channel relay module relay card with optocoupler low trigger expansion card for 5V / 12V / 24V (12v)
Product Features
- User-friendly interface design This 4 channel relay module with humanized interface design, all interfaces can be connected directly through the terminal cable, very convenient. Four mounting bolt punches are included. Standard interface that can be directly controlled by microcontroller (, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
- Fault-tolerant design: This 4-channel relay -Module with fault-tolerant design, even if the control line breaks, the relay will not move. Power indicator light (green), 4-way relay status indicator light (red)
- More choices Relay module operating voltage is 5V, 12V, 24V for selection. Each path of the module can be triggered by the high or low level through a jumper setting.
- Stable performance: The relay board has patch photocoupler isolation, strong driving ability, stable performance. Trigger current is 5 mA. The module can be high or low through a jump start setting trigger. The module uses real quality relays, normally open interfaces.
- After-Sales Service--We stand behind all of ours with a 100% product guarantee and promise to give you the best in customer care! If you have any problems about the 4 channel relay module, please contact us by email, we will try our best to reply within 24 hours.