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DESCRIPTION
Alarm Relay, Power & Level Input
ALARM RELAY OUTPUT
SPDT 2.5 A / 230 Vac
NO
Normally Open
COM
Common
NC
Normally Closed
NO
COM
NC
Pump controller not powered
or
Alarm condition
NO
COM
NC
Working condition with no alarm
POWER INPUT
L
Line
PE
Protective Earth
N
Neutral
LEVEL SENSOR
Low level sensor in tank