"KB363B (Three-Phase Busbar, 63A, 57 Modules) The KB363B is a high-capacity three-phase busbar, designed for efficient power distribution in electrical panels, providing secure and organized connections for multiple circuit breakers. Category: Three-Phase Busbar for Terminal Blocks Current Rating: 63A Number of Terminals: 57 Modules (Single-Pole Circuit Breaker Connections) Short Circuit Capacity: 10kA Voltage Rating: 400V AC Material: High-purity copper busbar with insulated PVC coating Mounting Type: DIN Rail Compatible Application: Used in industrial and commercial electrical distribution boards. Provides efficient and structured phase distribution for circuit breakers. Ensures safe and reliable power connectivity for large-scale electrical systems."