The relay module make it easy to control a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. The modules are controlled with 5V signal and they are pre-soldered. A logic "LOW" to the control pin will turn the relay ON.
Specification:
- Power Supply: External 5V
- Control Voltage: 5V
- Max Control Capacity:10A@250VAC or 10A@30VDC
- 4 mechanical relays with status indicator LED
- "NC" and "NO" ports for each relay