Solid-insulated ring main unit GSVR-12 series

secondaryprimaryAC

1. - Secondary control box 2. - Computer integrated protection device 3. - Potential indicator Potential indicator shows whether the bushing is life or not. and three sockets below the indicator light can be used in secondary checking phase. Potential indicator can add a pushing button to extend working life. 4. - Spring charging hole Rotate the charging mechanism shaft with an operating handle to charge the master switch operating mechanism 5. - Spring charging padlock The spring charging hole can be covered by the linked padlock plate on the locking device and the insertion of an operating handle is possible only by turning the padlock device. A padlock added can prevent the unauthorized person from misuse. 6. - Counter The counter shows the opening and closing frequency of master switch operating mechanism. 7. - Disconnector/earthing switch padlock The earthing switch/disconnector operating hole can be covered by the linked padlock plate on the locking device and the insertion of an operating handle is possible only by turning the padlock device. A padlock added can prevent the unauthorized person from misuse. 8. Earthing switch operating hole Rotate the earthing switch operating shaft with an operating handle to open and close the earthing switch. 9. - Earthing switch electromagnetic lock Operation to earthing switch is possible only when the switch is uncharged. 10. Cable compartment interlock Slide the handle up and down to open or close the cable compartment door. 11. Cable compartment The cable compartment fitting with connecting bushings in accordance with DIN 47636 connects with the incoming or outgoing cables via all insulated, fully-shielded