Mid Mounted Isolation Handcart is a modular isolation device specially designed for 40.5kV indoor high voltage systems. It integrates vacuum isolation fracture and handcart operating mechanism for fast electrical isolation and equipment maintenance. With 40kA short-time current tolerance , suitable for KYN series switchgear, support seamless insertion and removal operation, maintenance power outage time shortened by 60%. In line with GB/T 1984 and IEC 62271-100 standards, mechanical life of more than 10,000 times, protection level IP4X, suitable for substation, industrial and mining distribution and data center efficient power isolation scenarios, to provide "zero arc, zero risk" safe operation experience.