ABB VD4 Addendum Manual

14 VD4-36KV CRADLE RETROFIT SOLUTION SERVICE INSTRUCTION MANUAL
—
Installation
Components to be removed from
existing VHA 36 Panel
—
Fig 14.1
2
—
Fig 14.2
Legends of fig 14.1 and 14.2:
1 SF6 circuit breaker HPA36
2 CB compartment door (top)
3 CB compartment main door
4 Bottom front door
3
4
—
Fig 14.4
1
2
3
1 24 pin socket
2 Emergency trip assembly
3 Earth guide assembly
2
1
3
4
1
3
3
2
—
Fig 14.3
1 CB compartment rear sheet
2 Racking mechanism assembly
3 LHS & RHS guide rails

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