PC400 Terminal Installation & User’s Guide - 11
Bell Relay Connections
With the bell relay, you can program when bells or other devices will ring using the Bell Wizard in your Terminal Manager software. You should have a qualified/certified electrician connect your signaling devices to ensure proper connections and prevent damage to your equipment.
To connect your signaling device(s) power source
Unplug the bell relay screw terminal connector and connect your wires from the signaling device(s) power source to the “Common” and “Normally Open” screw terminals, plug in the connector. See the diagram, Figure 6 and IMPORTANT! note below.
Common 
Normally Open 
Normally Closed
(Not Used)
Bell Relay
Screw Terminal
Connector
IMPORTANT! Relay contacts provide no power for bells or buzzers. They are rated “dry” for 2.0 amps @ 24 VDC or 1.0 amp @ 120 VAC. Connecting a device or series of devices that draw more than the appropriate amperage from the terminal will result in serious damage! We recommend using the RB8 Relay Booster Box to control devices that require more than 2 amps. Contact your dealer for information about obtaining an
Maximum of 4 Bells / Horns
When
conn
ec
ting
direc
t
l
y
to 
1
20v
A
C.
See Important note to the left for details.
120
vAC
PC400 Bell Relay Screw
Terminal Connector
Figure 6