OPERATING INSTRUCTIONS Operation Switching on the circuit breaker The circuit breaker is accessible in field II after opening the switchgear cabinet door (Fig. 2-44:).
Fig. 2-46:
Fig. 2-44:
" Slip switch lever (11, Fig. 2-45:) pointing upwards onto the actuating shaft of the circuit breaker (1). " Pull locking element outwards against spring pressure. " Using switch lever (11), turn actuating shaft (drive A) clockwise from position I by ca. 180° downwards to position II. This tensions the cut-out spring. " Using switch lever (11, Fig. 2-46:), turn actuating shaft counter-clockwise from position II by 180 ° upwards to position I. This tensions the cut-in spring and the circuit breaker is switched on. " Engage locking ring. " The indicator lamp (1, Fig. 2-47:) comes on.
Fig. 2-47:
Switching off the circuit breaker " Pull locking element outwards against spring pressure. " Using switch lever (11, Fig. 2-45:), turn actuating shaft ca. 20 ° counter-clockwise. This releases the cut-out spring. The circuit breaker is switched off. " The indicator lamp (1, Fig. 2-47:) goes out. Further information is given in the attached leaflet on circuit breakers.
Fig. 2-45:
2-46
BA RH120E(3 668 330.00)-EN