ABB PrimeGear ZX0 Product Manual page 7

S T A N D A R D S , R E G U L A T I O N S , N O T E S , F U R T H E R D O C U M E N T S
The spiral spring in the spring energy storage
mechanism, for instance, retains a basic tension
which is independent of the charging and
discharging processes during switching, so as to
ensure correct function. This spring energy can be
inadvertently released if work is performed
incorrectly on the spring mechanism!
—
Fig. 3: Circuit breaker 7.1
panel, 1250 A, panel
width 600 mm,
example
configurations
1.12
2.3
1.1
1.0
1.13
1.3
3.5
3.0
—
Fig. 3
1.0 Gas compartment
1.1 Circuit breaker pole
1.2 Circuit breaker operating mechanism
1.3 Outer cone bushing
1.5 Socket for capacitive indicator system
1.9 Current transformer
1.10 Gas density manometer
1.11 Gas filling valve
1.12 Cast resin bushing to busbar
1.13 Pressure relief disc
2.1 Busbar
2.3 Three position disconnector
2.4 Operating mechanism for three position disconnector
In order to prevent accidents (particularly
injury to hands!) extreme care should be
taken during all repair work on the
operating mechanism, especially with
front plate removed.
Wear appropriate work clothes and
protective gloves during the installation
work to avoid injuries particularly at
sharp-edged sheet metal parts of the
switchgear.
Use only chlorine-free cleansers for
cleaning of the switchgear.
7.0
6.5
6.0
6.6
2.1
1.10
1.12
1.11
6.10
1.5
2.3
2.4
1.1
1.0
1.9
1.13
1.3
3.5
3.1
3.0
3.2
3.3
3.6
3.0 Cable compartment
3.1 Cable connector
3.2 High-voltage cable
3.3 Cable clamp
3.5 Main earthing bar
3.6 Floor plate
6.0 Low voltage compartment
6.5 Secondary cable entry
6.6 Low voltage compartment door
6.10 Mechanism bay
7.0 Busbar cover
7.1 Pressure relief duct (optional, for pressure relief to the out side)
7
6.5
6.0
6.6
2.1
1.10
1.11
6.10
1.5
2.4
1.9
3.1
3.2
3.3
3.6