Air-insulated switch disconnectors are suitable for cable sectionalizer, transformer and motor circuit switching, in secondary distribution substations for supplying lines, transformers and ring networks, can be combined with DIN standard fuses for transformer protection.
Indoor Air Switch-disconnector, NAL/NALF/VR, Installation and and Operation Manual, 3408PL1674-W1 EN. ID:9AKK106713A3226 REV:L English A detailed mounting and operation manual of the Indoor Air Switch-disconnector NAL/NALF/VR (rated voltage 12, 17.5, 24 and 36 kV; rated current 400/ 630, 800 and 1250 A).