ABB VD4 Installation And Operating Instructions

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VD4/R - VD4/L - VD4/R-SEC - VD4/L-SEC - INSTALLATION AND OPERATING INSTRUCTIONS 14
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5. Product description
5.4 Standard equipment
5.4.1 VD4/R fixed circuit breakers with rh lateral
operating mechanisms (230 or 300 mm
distance between centers) and VD4/L fixed
circuit breakers with lh lateral operating
mechanisms (230 or 300 mm distance
between centers)
The coded basic version of the fixed circuit
breakers is always the three-pole type and comes
equipped with:
1 opening pushbutton
2 closing pushbutton
3 operation counter
4 circuit breaker open/closed indicator
5 lever for loading the springs in the manual
mode (built into the operating mechanism)
6 indicator for closing springs loaded/relieved.
The basic wiring ends in the terminal box. This
latter is equipped with a withdrawable part that
allows the customer to create a disconnectable
connection (see pictures).
The basic version also includes the following
accessories to be specified at the time of
ordering:
Kit 1 set of five opened/closed auxiliary contacts
or alternatively, with a surcharge, ten or
fifteen auxiliary contacts.
Each shunt opening device uses an NO
auxiliary contact to shut off its power supply
after the circuit breaker has been opened.
This means that there is one NO auxiliary
contact less for every opening release
installed.
Kit 2 opening release
Kit 3 key loc k.
Figure 5a
Figure 4
Figure 5b Figure 5c

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