ABB VD4 Series Instruction Manual

12 ABB Power Distribution
50.7
56.1
55.8
55.7
55.4
55.5
55.6
54.3
54.2
Figure 3/4: Controls for the circuit-breaker
50.7 Front plate
54.2 Mechanical ON push-button
54.3 Mechanical OFF push-button
55.4 Switch position indicator
55.5 Operating cycle counter
55.6 Socket (for charging level)
55.7 Rating plate
55.8 Charging condition indicator
56.1 Control wiring socket, 24-pole version
(64-pole version on request)
Figure 3/5: Partial section of a vacuum interrupter 58, simplified
schematic diagram
Details vary according to the specified switching duties.
58.1 Insulator
58.2 Fixed contact
58.3 Movable contact
58.4 Metal bellows
58.5 Screen
58.6 Guide
58.7 Interrupter lid
58.1
58.2
58.3
58.4
58.5
58.7
58.6

ABB VD4 Series Specifications

General

Operating mechanism	Spring-operated mechanism
Installation	Fixed or withdrawable
Rated frequency	50/60 Hz
Poles	3
Rated current	Up to 4000 A
Standards	IEC 62271-100
Insulation	Vacuum
Application	Medium voltage
Control voltage	24-240 V AC/DC
Weight	Depending on the specific model