Connection
17
Figure 21 Alarm Terminal Block (socket)
Electrical parameters of the relay:
Max Switch Voltage: 250VAC/220VDC;
Max Switch Current: 2A
Max Switching Power: 60W
Dielectric Strength: 2KV
Note:
Pin 1 and pin 2 are normally-open contacts; pin 2 and pin 3 are normally-closed contacts. When the
switch works properly, pin 1 and pin 2 are closed, pin 2 and pin 3 are open; when an alarm occurs, pin 1
and pin 2 are open; pin 2 and pin 3 are closed.
Wiring and Mounting
Step 1: Remove the alarm terminal block from the switch.
Step 2: Secure the three wires for alarm into the alarm terminal block in the required sequence.
Step 3: Insert the alarm terminal block into its socket.
