54
TWO PARALLEL UNITS 1+1 Redundant Conguration with Dual Distribution Input (40-60kVA)
a1, a2: Mains Supply MCCB 4p
d: Distribution MCCB
b1, b2: Auxiliary Supply MCCB 4p
o1, o2, unit output switch 4p
NOTE:
Q3= Internal Maintenance Bypass can be used when total load < single unit rating (kVA)
Option o1, o2= unit output disconnect switch to enable single unit complete shut down for maintenance
a, b, o should be 4poles unless TN-C distribution is used
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