Toshiba CV-10HA, CV-10HAL Instruction Manual

TOSHIBA

6F9G0133

INSTRUCTION MANUAL

HIGH-VOLTAGE

VACUUM CONTACTORS

MOTOR &TRANSFORMER APPLICATION

J-‘fJE :

CV-1OHA 12/15kV-32OA-5/4kA

P/PE

: CV-1

OHAL 12/l

5kV-32OA-5/4kA

TOSHIBA CORPORATION

TOSHIBA

6F9G0133

Read this manual carefully to fully understand the operation.

And keep for maintenance.

WARNING : Never remodel or disassemble the equipment nor mount

nonstandard 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 contactor is manufactured in accordance with IEC 60470(2000).
The vacuum contactor should be used in the following conditions.

Table 1

Normal service condition

:

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 hurnidity : 45% min. to 85% max.
:

20Hz -9.8m/s2

or less

CAUTION:Do not use in condition other than those specified

above , please consult

(2)

Mive

condition

The location where the contactor is to be installed should be free from dust.
Corrosive gas and moisture.
When it is be used in a chemical plant or in outdoor panels,
take necessary precaiJtions against corrosion,
water seepage and condensation.
See page 2.

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6F9G0133

2.

PRECAUTIONS IN SPECIAL APPLICAJIQN (outdoor cubicle etcJ

In application,

chec:k

the follow items, please carry out the maintenance

frequently. or perform the countermeasure.

(Visual inspection: once a month, regular inspection: once a year)

Table 2

Precaution in special application

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.

iigh

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.

W.)
SO2,

Cl2

,N02

Protection from corrosion
gas
Anti-gas treatment.

Examination of changing
of the insulation material.

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TOSHIBA

6F9G0133

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 IHANDLING

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

6F9G0133

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 prec:autions should be taken.

(1) The mounting surface must be horizontal (level : less than

+l

mm).

When the mounting surface is not horizontal , adjust with spacers.

(2) There are four mounting holes.

Use Ml 0 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 malfunction.

(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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TOSHIBA

6F9G0133

6. RATING

DANGER : Do not exceed the ratings specified on the contactor.

Table 3 Ratings

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5

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