100% Brand New & High Quality

• 1. There are 4 fixing screw holes around the board, the hole diameter is 3.2mm, which is convenient for installation and fixing;
  2.The relay is made of high-quality relay, single-pole double-throw. One common end, one normally open end, one normally closed end;
  3. Optocoupler isolation, good anti-interference;
  4. High level pickup, low level release. The status indicator light is on when the suction is closed, and the status indicator light is off when it is released;
  4. VCC is the positive pole of the power supply, and GND is the negative pole of the power supply;
  5. Maximum relay output: DC 30V/10A, AC 250V/10A (original relay); DC 30V/2.5A, AC 250V/2.5A (neutral relay).