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Instruction Book
Effective: February 2007
Page 49
I.B. 8295A61H07
For more information visit:
www.EatonElectrical.com
S YM P TOM
I NSPE C TIO N AR E A
PROBABLE DEFECTS
Fails To Close
•
No trip sound
•
Trip sound but
(No trip)
Undesirably Trips
•
Control circuit
•
Trip mechanism
•
Trip mechanism
•
Vacuum interrupter
(one or more welded)
•
Control circuit
•
Mechanism
•
Control Power (Fuse
blown or switch off)
•
Secondary Disconnect
•
Auxiliary Switch
•
(a contact not making,
poor or burned)
•
Trip Coil (Burned or open)
•
Terminals and Connections
(Poor or burned or open)
•
Trip Clapper (Jammed)
•
Trip Bar, Trip Latch (Jammed)
•
Pole Shaft (Jammed)
•
Operating Rod Assembly
(Broken or pins out)
•
Control Power (CS/T Switch,
remains made)
•
Trip Coil Clapper (Not
resetting)
•
Trip Bar or Trip Latch
(Poor engagement of mating or
worn surfaces)
•
Trip Bar Reset Spring (Loss of
torque)
Содержание Cutler-Hammer VCP-WR Series
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