Toshiba CV-10HB User manual

TOSHIBA
6F9G0134
INSTRUCTION MANUAL
HIGH-VOLTAGE
VACUUM CONTACTORS
CAPACITOR APPLICATION
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TYPI- . CV-1 OHB
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12kV-32OA--5kA
PIpI: : CV-1OHBL 12kV-32OA-%A
TOSHISA CORPORATION

TOSHIBA
6F9G0134
Read this manual carefully to fully understand the operation.
And keep for maintenance.
WARNING : Never rlsmodel or disassemble the equipment nor mount
nonstalidard components.
This equipment shall only be used inside a metal enclosure (grounded)
in other establishments than domestic , or those that are connected to
the public power source system.
1. GENERAL DESCRIPTION
(1) Ambient condition
The type CV vacuum cc’ntactor is manufactured in accordance with IEC 60470(2000)
The vacuum contactor should be used in the following conditions
Table 1
Normal service condition
-Altitude : Less than 1 OOOm
-Ambient temperature :-5°C min. to +4O”C max.
Its average over a period of 24h
does not exceed ~35°C
-Relative humidity : 45% min. to 05% max.
-Vibbration : 20Hz -9.8m/s2 or less
CAUTION : Do not use in condition other than those specified
above , please consult
(2) Locative condition
The location where the contactor is to be installed should be free from dust.
Corrosive gas and moi:sture.
When it is be used in a chemical plant or in outdoor panels,
take necessary precautions against corrosion,
water seepage and condensation.
See page 2.
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TOSHIBA
6F9G0134
2. PRECAUTIONS IN SPECIAL APPLICATION (outdoor cubicle etc.)
In application, check the follow items, please carry out the maintenance
frequently. or perform the countermeasure.
(Visual inspection: once a month, regular inspection: once a year)
Table 2Precaution in special application
I!
Special condition Instance Caution items
Zontamination
Sea breeze
Dust, iron-dust etc.
is very more place.
Place where suffer the
sea breeze.
Reduction of ventilation
Setting of ventilation for
sea breeze.
Frequent inspection.
+gh humidity Place where very more
snow and ice.
More humidity.
Place where near the
cooling tower.
Place where cause changing
the temperature suddenly.
Setting the space heater.
Setting the ventilation.
Prevention of flooding
into the cable pit.
Zorrosion gas Corrosion gas which come
into the airport, chemical
Industry and water cleaning.
(EX.)
S02, Cl2 ,N02
Protection from corrosion
gas
Anti-gas treatment.
Examination of c,hanging
of the insulation material.
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TOSHIBA
6F9G0134
3. RECEIVING AND UNPAKING
WARNING : If any parts are damaged or missing.
Make the following checks after unpacking :
(1) Check if there is any damage , foreign matter trapped , or water seepage
into the contactor.
(2) Check the nameplate to see if the specifications on the plate are correct.
(3) Check the contact wear gauge and control cable
(4) Check the tripping rod (Latched type)
4. STORAGE AND P;ANDLING
When the contactor is to be stored over a long period , the storage area
should be dry and (dust free area.
If the contactor is left outdoors or in adverse conditions , corrosion
from gas , rust or insulation deterioration may result.
CAUTION : In handling , do not throw or drop contactor.
The contactor may break.
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TOSHIBA
6F9G0134
5. INSTALLATION
When installing , protect from dust. Particularly when the contactor
is installed while the building is under construction , shield it from
cement dust and other foreign matter.
The following precautions should be taken.
(1) The mounting surface must be horizontal (level : less than *I mm).
When the mountinlg surface is not horizontal , adjust with spacers.
(2) There are four mounting holes.
Use Ml0 bolts to securely mount the contactor.
(3) In wiring the main circuit terminals , ground terminals and control
circuit , wires should be given sufficient length to be flexible.
The ground wires should be more than 5.5mm in cross section.
(4) Do not mount the contactor with its front inclined downward.
This may result in rnalfunction.
(5) Do not touch the vacuum interrupter surface with soiled hands.
(6) When it is applied to a capacitor load , be sure to used a space heater
to keep humidity low.
CAUTION : Do not install on energize contactor that has been bad condition
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