Description
20
9229 0025 176 0E
2021-11-15
Secondary equipment
Fig. 17
Open operating mechanism, example 12 kV, 25 kA, 1250 A
31
Auxiliary switch (-S1)
32
Low-voltage plug connector (-X0) (optional)
33
Plug (Q0-X1.1, Q0-X1.2, Q0-X1.3) only when ordering the
20-pole or 30-pole connector strip (not shown)
33.2
Plugs (-X01) and (-X02) for withdrawable part (optional)
34
Anti-pumping device (-K1)
51.1
1st shunt release (-Y1)
51.2
2nd release (optional)
52
Closing solenoid (-Y9)
53
Motor (-M1), charging the closing spring
54.1
Position switch (-S12), prevents electrical closing in
mechanical interlock (not shown)
54.2
Position switch (-S21), motor control
54.3
Position switch (-S3), control for (-K1) anti-pumping device
54.4
Position switch (-S4), signal “Closing spring charged”
54.6
Position switch (-S6), circuit-breaker tripping signal
(optional, not shown)
55
Closing spring
55.1
Spring state indicator
56.3
Position indicator CLOSED-OPEN
57.2
Hand crank coupling
58
Operations counter
59.3
Key-operated interlock (optional)
59.4
Heater (-R01), condensation water protection (optional)
59.6
Resistor (-R1) for undervoltage release (-Y7) (optional)
