Line length: over 60 MM
Weight: 18 grams
Voltage: DC9V
Current: 0.17 A
Voltage: DC12V
Current: 0.22 A
Working method:
When powered on, the 1&2 are connected, and the 1&3 are also connected, equivalent to all three holes being connected.
When the power is cut off, the 1&3 are closed, but the 1&2 are still connected.