Table 3 – Gap/Wipe Standard Values (Contactor In New Condition) - Toshiba HCV-6KALU Instruction Manual

Vacuum contactor
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Page 20
Table 2 – Check Points for Periodic Inspection (cont.)
Check
Check Item
Point
Dielectric
Measure
Strength
main circuit
Open/Close
----
Operation
Table 3 - Gap/Wipe Standard Values (contactor in new condition)
Parts
Vacuum
Normally
Interrupter
energized
type
Latch type
Auxiliary
a-contact
Switch
b-contact
Delayed
b-contact
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Check Method
Measure dielectric
22kV AC or 31kV DC for
strength between
1 minute
phases and between
circuits and ground.
Perform open/close
operation by electric
operation test to
confirm the correct
operation.
Gap
0.161-0.169 in.
More than 0.094 in. (2.4 mm)
(4.1-4.3 mm)
0.161-0.169 in.
More than 0.087 in. (2.2 mm)
(4.1-4.3 mm)
0.157 ± 0.016 in.
0.118 ± 0.012 in. (3 ± 0.3 mm)
(4 ± 0.4 mm)
0.157 ± 0.016 in.
0.118 ± 0.012 in. (3 ± 0.3 mm)
(4 ± 0.4 mm)
0.098 ± 0.012 in.
0.177 ± 0.020 in. (4.5 ± 0.5 mm)
(2.5 ± 0.3 mm)
MAINTENANCE
Criteria
If breakdown occurs,
contact Toshiba.
----
If not normal, check
and repair. If
necessary, replace
faulty parts.
Wipe
Allowable Wear
0.055 in. (1.4 mm)
0.047 in. (1.2 mm)
What to do
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