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Technical
Section 9
Dimensions
Section 10
1
Isobar 4
Electrical auxiliaries for C60
Protection
Function
They remotely trip or indicate circuit breakers, with or without Vigi module.
Description
n
They are mounted to the left of the circuit-breaker within a maximum width of
54mm
n
Fixed using clips (no tools) onto the left side of the circuit breaker
Auxiliary combination
n
A maximum of 3 indication auxiliaries OF, SD on the same circuit breaker
n
A maximum of 2 changeover auxiliaries (OF+SD/OF) on the same circuit breaker
n
A maximum of 1 OF+SD/OF switchover auxiliary and 1 indication auxiliary OF
or SD on the same circuit breaker
n
A maximum of 2 tripping auxiliaries (MX+OF, MX, MN, MNs, MNx) on the same
circuit breaker
n
A maximum of 3 tripping auxiliaries MSU on the same circuit breaker without
other auxiliary
+
+
+
+
+
OF+SD/OF
auxiliary
contact
OF
auxiliary
contact
SD fault
indicating
switch
MX+OF,
MX, or MSU
auxiliary
MN, MN
s
or MNx
auxiliary
Circuit breaker
54mm maximum
Auxiliaries contact
Releases