OPERATING INSTRUCTIONS Operation Switching on the circuit breaker The circuit breaker is accessible in field II after opening the switchgear cabinet door (Fig. 2-42:).
Fig. 2-44:
Fig. 2-42:
Ü Slip switch lever (11, Fig. 2-43:) pointing upwards onto the actuating shaft of the circuit breaker (1). Ü Pull locking element outwards against spring pressure. Ü 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. Ü Using switch lever (11, Fig. 2-44:), 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. Ü Engage locking ring. Ü The indicator lamp (1, Fig. 2-45:) comes on.
Fig. 2-45:
Switching off the circuit breaker Ü Pull locking element outwards against spring pressure. Ü Using switch lever (11, Fig. 2-43:), turn actuating shaft ca. 20 ° counter-clockwise. This releases the cut-out spring. The circuit breaker is switched off. Ü The indicator lamp (1, Fig. 2-45:) goes out. Further information is given in the attached leaflet on circuit breakers.
Fig. 2-43:
2-44
BA RH120E(3 664 090.00)-EN
