DGL isolation switch Specifications: 1) Rated current: 125A - 1,600A2) Rated insulation voltage: 750-1,000V3) Dielectric strength: 5,000-10,000V4) Rated surge-resistant voltage Uimp: 8-12KV5) Parallel double break contact possesses self-cleaning functions6) large clearance of insulation7) Isolation switch complies with standard of GB/T 14048.1, GB/T 14048.3, IEC60947-1 and IEC60947-3