51 MEANS AC TIME OVERCURRENT NO | 79 MEANS AC RECLOSING NO |
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Diaphragm and capsule pressure gauges | EN 837-3 : Pressure gauges |
50 MEANS INSTANTANEOUS OVERCURRENT NO.
It contains bearing holes for the axles | This joins the inlet pipe to the fixed end of the Bourdon tube 1 and secures the chassis plate B |
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2 MEANS TIME DELAY NO | 86 MEANS LOCK OUT NO |
This an extension of the sector gear 7.