4 Installation – Surface Mount
23
RELAY CONNECTIONS
The relay contacts are connected to the terminals only and are electrically isolated
from the instrument itself. They must be connected in series with a 5 Amp fuse.
MOD53
Load A
Neutral
Live
Neutral
Load B
5A
Figure 20 : Relay contact connection
A contact arc suppressor may be required to prevent excessive electrical noise,
depending upon the load. To switch more than 5 Amps will require a slave relay.
MOD53
Slave Relay
Neutral
Live
Figure 21 : Slave relay connection
For convenience, the power can be looped across from the supply connections.
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