Toshiba VK-6M32A - User Manual

lvlav.
31, 2012 9:lSAlVl
TOSHIBA
No
1530
P,
2
Document; GF0776{'I-B
INSTRUGTION$
IilSTALLATION
.
OPEFATION
.
MAINTENANCE
Type
VK
&
HVK
Series
Vacuum
Circuit
Breakers 5-15kV
APPLICABLE TYPE FORMS
(1200A) (20004)
(30004)
VK.6M32A VK.6P32A
I.IVK.6M32A
HVK-6P32A
VK.6M4OA VK.BP4OA
HVK-6M4OA HVK'6P4OA
VK"8M4OA
VK-8P4OA VK-8O40
HVK-8M4OA HVK-8P4OA
,VK.1OM25A2
VK-1OF25A2
HVK-lOM25A2
HVK-I0P26A2
VK-10M40A VK-10P40A VK-10040
HVK-1OM4OA HVK.IOP4OA
vK-6M50
vK-6P50 VK-6050
vK-10M50 VK-10P50 VK-10()50
NOTES:
t) The
designation of
H
before
vK
(i€.
HVKI
dsnot€s that the circuit braaker unit
was assembled
in the USA using domestic
and
foreigri
components.
All
'
relErgnces to modal numbere in thie manual will
be by the numbets following
the VK- and
HVK-.
2l Thi! manuel waB writtan
lor tha Toshiba typ€ form circuit
brsakers listed on
thi$
page
used in coniunction
with Toshiba
cells.
For
circuit
brsek6rs
utilized in
the convereion
of
othsr
equipment, a supplemental
i struction manu8l Should
be obEain6d
from lhe conversion manufacturer.
lssued 2/95.
Supemedee GF077401-A Deted 12194.

Summary

Introduction to the Manual

Safety Information and Codes

Important Safety Messages

Explains signal words like DANGER, WARNING, and CAUTION for hazard communication.

Applicable Safety Codes

Details compliance requirements with state, local, and industry safety standards.

General Description of Circuit Breakers

Safety Devices and Interlocks

Details safety interlocks like spring charge, close pin, and rating interlock.

Installation Procedures

Service Conditions

Rating Verification

Lifting for Installation

Using the Portable Lifter

Moving the Circuit Breaker in the Cell

Pre-Energization Checks

Electrical Checks

Tests to verify insulation resistance and electrical integrity before operation.

Operation Procedures

Manual Operation

Steps for manually charging springs, closing, and opening the circuit breaker.

Electrical Operation

Details on operating the breaker using electrical signals and control circuits.

Control Circuit Operation

Maintenance Program and Records

Maintenance Program

Establishing a program for continued reliable and safe operation of the equipment.

Maintenance Record Keeping

Servicing Equipment Safely

Safety precautions and procedures for servicing the circuit breaker, including power lockout.

Inspection and Maintenance Types

Details various types of inspections and their procedures, from acceptance to overhaul.

Inspection and Maintenance Intervals

Wipe Measurement for Contact Wear

Vacuum Check for Dielectric Integrity

Tests to evaluate the dielectric integrity and internal pressure of vacuum interrupters.

Troubleshooting Guidelines

Provides common symptoms, sources of trouble, problems, and solutions for circuit breakers.

Warranty and Limitation of Liability

Toshiba VK-6M32A Specifications