A 12kV-5000A / 63kA armored fixation type double-
bus cabinet overcomes the defects that in the prior art, the
cut-off current is small, the precision is low, the pressure relief and heat dissipation effects are poor, the electromagnetic
resonance is large and operation is laborsome. The 12kV-5000A / 63kA armored fixation type double-
bus cabinet is characterized in that a cabinet body is of a full packaging structure, a work main
bus chamber and a standby bus chamber are arranged front and back, an instrument chamber and a small bus chamber are arranged in the middle of the front of the cabinet body, a pressure relief device is installed on the top of the bus chambers and an isolation chamber,
black paint is sprayed onto the interior of the main bus chamber and main and
branch buses except the
lap joint portion, a stainless steel plate is adopted as a partition plate in the bus passing position, an armor clamp is installed on an insulator, a spacer pad is added when the supporting span of the main bus is large, an isolating switch is connected with an electric operating mechanism, and a manual
interlocking mechanism is installed at the front end of the electric operating mechanism. The 12kV-5000A / 63kA armored fixation type double-bus cabinet has the advantages that the
cut-off current can reach 63kA, the precision is high, the heat dissipation effect is good, temperature rise and
energy consumption can be reduced, the electromagnetic
resonance is small, the dynamic stability of the buses is smooth and steady, the cabinet can be operated both electrically and manually and is safe and reliable in operation, the buses can be maintained without
cutting off the power.