Connection
23
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.
Use copper conductors only, temperature rating 75
℃
only.
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.
Wiring and Mounting should meet following specifications.
Table 10 Wiring and Mounting Specifications
Terminal Type
Required Torque
Wire Range (AWG)
Terminal Block Plug
4.5-5.0 lb-in
12-24
ICON Industrial Engineering (IIE)
