864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
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Operation
36.6
Test operation with auxiliary voltage (motor operating mechanism)
➭ Switch on the supply voltage.
✔ The motor operating mechanism starts up and charges the closing spring.
➭ Check whether the "closing spring charged" indication appears.
➭ Operate the ON pushbutton in the circuit-breaker control board.
✔ The closing spring is charged by the motor.
➭ Check whether the position indication "circuit-breaker CLOSED" appears.
➭ Operate the OFF pushbutton in the circuit-breaker control board.
➭ Check whether the position indication "circuit-breaker OPEN" appears.
36.7
Charging the closing spring manually
The closing spring is charged by the motor after applying control voltage. The energy required
for the operating sequence OPEN-CLOSED-OPEN (auto-reclosing) is stored in the closing
spring about 15 seconds after closing the circuit-breaker.
The hand crank is required to charge the closing spring manually if the control voltage fails.
➭ Remove cover from cutout.
➭ Insert hand crank.
➭ Turn hand crank clockwise approx. 30 turns until the indication "closing spring charged"
appears.
➭ Remove hand crank.
➭ Close cutout with cover.
Fig. 173: "Closing spring charged"
indication
Fig. 174: "Closing spring not charged"
indication
DANGER
Risk of injury by sudden rotation of hand crank. If you use a hand crank
without a freewheel
to charge the spring, the hand crank will rotate when the control voltage is switched on again
(motor starts up) and can lead to injury.
➭ Use special hand crank
with freewheel
from the accessories.
