Table of Contents
Advertisement
Operation
Recommendation for
sealing/locking
150/214
36.4
Recommendation for sealing the pushbuttons
ATTENTION
If you close manually, all electrical and mechanical interlocks are ineffective.
➭ To guarantee safe operation of the interlocks: Seal/lock the pushbuttons (see table below).
Panel types
Incoming or outgoing feeder panels
Bus sectionalizer panels
36.5
Test operation without auxiliary voltage
On circuit-breakers with undervoltage release 3AX1103:
ATTENTION
If the retaining screw of the striker is not shifted back from position A to position B after
the test operation without auxiliary voltage, the undervoltage release will not function.
➭ After the test operation without auxiliary voltage, shift the retaining screw of the striker
back from position A to position B.
Perform the following actions to guarantee that the circuit-breaker is ready for operation:
➭ Charge the closing spring (see page 151, "Charging the closing spring manually").
➭ Operate the ON pushbutton in the circuit-breaker control board.
✔ The circuit-breaker is closed.
➭ Operate the OFF pushbutton in the circuit-breaker control board.
✔ The circuit-breaker is open.
➭ Shift the retaining screw of the striker from position A to B to activate
the undervoltage release.
Revision 06 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • 864-5091.9
Sealing
ON pushbutton
ON pushbutton and OFF pushbutton
Advertisement
Table of Contents
