The series busbar has two normal types, one is needle-style busbar, and another is U-style busbar. They ease wiring connection for mini circuit breaker, and enlarge the contact dimension. Lower in power consumption and temperature. Due to busbar lay inside insulation slot, it can't be touched easily. It has the features of safety, reliable, convenient and cheaper in price. Good in power conductor, lower in contact resistance, and full range of specification. Features: 1) Material: fire-resistance PVC and red copper 2) Current rating: up to 63A 3) Rated voltage: up to 415V 4) Applicable ambient temperature: -25 to +50 degree 5) Standard length: 1m, special length to be made upon request