ABB VD4 Addendum Manual

20 VD4-36KV CRADLE RETROFIT SOLUTION SERVICE INSTRUCTION MANUAL
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Spare parts
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All assembly operations of spare
parts / accessories must be
carried out by ABB personnel or
by suitably qualified customer
personnel with in-depth
knowledge of the apparatus,
following the instructions
enclosed with the spare parts,
(IEC62271-1) and all the standards
aimed at carrying out these
interventions in safe conditions.
Should maintenance be carried
out by the customer’s personnel,
responsibility for the
interventions lies with the
customer. Before carrying out any
operation, always make sure that
the circuit-breaker is open, the
spring discharged and that it is
not energized (medium voltage
circuit and auxiliary circuits)
To order circuit-breaker spare parts / accessories,
refer to the ordering sales codes indicated in the
technical catalogue and always state the
following:
• Type of circuit-breaker
• Rated voltage of the circuit-breaker
• Rated normal current of the circuit-breaker
• Breaking capacity of the circuit-breaker
• Serial number of the circuit-breaker
• Rated voltage of any electrical spare parts
For availability and to order spare parts, please
contact our service office.
List of spare parts for breaker
• Shunt opening release
• Additional shunt opening release
• Shunt closing release
• Contact signaling protection circuit-breaker
of the geared motor open / closed
• Contact signaling closing spring charged /
discharged
• Circuit-breaker auxiliary contacts
• Locking electromagnet on the operating
mechanism
• Position contact of the withdrawable truck
• Contacts signaling connected / isolated
• Opening solenoid
• Charging motor
• Key lock in open position
• Protection for opening push button
• Protection for closing push button
• Set of six tulip contacts
• Open / closed signaling device
• Set of six fixed contacts
• Racking handle

ABB VD4 Specifications

General

Type	Vacuum Circuit Breaker
Rated Voltage	Up to 36 kV
Rated Short-Circuit Breaking Current	Up to 63 kA
Frequency	50/60 Hz
Standards	IEC 62271-100
Application	Medium voltage power distribution
Rated Short-Time Withstand Current	Up to 63 kA for 3 seconds
Mechanical Life	Up to 30, 000 operations
Installation	Fixed / Withdrawable
Operating Mechanism	Spring-operated
Rated Current	630 A / 800 A / 1250 A / 1600 A / 2000 A / 2500 A / 3150 A / 4000 A
Electrical Life	Up to 10, 000 operations at rated current
Control Voltage	24 V DC, 48 V DC, 110 V DC, 220 V DC, 110 V AC, 230 V AC