CO Switches Flashcards by Nick 5 | Brainscape

Q

Name the 4 types of change over switch

A

HCOS
ACOS
ROCOS (remote)
FACOS (fast acting)

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Q

Name 4 precautions when operating HCOS

A

Emergency only
Never operate on load
Start is inhibited
Motor stopped

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Q

Name some routine maintenance done on ACOS

A

Insulation res
earth bonding
Cleaning
Tightness of conections
Contacters check
timing check

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