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Pre-Energization Check; General; Electrical Checks - Toshiba HV6FS-MLD Instruction Manual

Vacuum circuit breakers - drawout type 4.8 & 7.2kv voltage classes fast closing w/uv release
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Page 18

GENERAL

BEFORE
ENERGIZING
BREAKER for the first time, follow the procedure
below to verify that the equipment is properly
installed and functional.
Hazardous Voltage. Turn off
DANGER
and lock out all primary and
control circuit power
sources prior to performing
this pre-energization check.
Do not operate this
WARNING
equipment until a complete
safety inspection has been
made.
Do not energize damaged
WARNING
equipment that has not
been repaired or verified.
Do not remove, cover or
WARNING
destroy any safety signs.
Do not operate this
WARNING
equipment until all panels
and covers have been
installed.
All blocks or other temporary braces used for
shipment must be removed.
Before closing the enclosure, all metal chips,
scrap wire and other debris left over from
installation must be cleaned out.
Cover all unused openings. Install all panels,
guards and covers.
A
supply
of
spare
established.
Instruction manuals and diagrams should be
collected and filed.
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
THE
CIRCUIT
parts
should
be

PRE-ENERGIZATION CHECK

ELECTRICAL CHECKS

Electrical shock hazard.
WARNING
Do not touch energized
components during a test
using auxiliary power.
An electrical insulation resistance test should
be performed to verify that the circuit breaker
and associated field wiring are free from
short circuits and grounds. Refer to the
MAINTENANCE Section of this manual for
additional information.
Hazardous voltages are
WARNING
present during dielectric
testing which can result in
serious injury or death.
High potential tests should
be performed only by
qualified personnel.
The circuit breaker must be set to the OFF
position before energizing incoming power.

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