It serves as the central hub for receiving and distributing electrical energy in low-voltage systems up to 380V. Designed for power plants, substations, industrial enterprises, and commercial buildings, the XL-21 provides robust control, protection, and monitoring for power and. Zoliov provides reliable and high-quality low voltage distribution box solutions for commercial buildings, industrial facilities, and urban power networks worldwide. Designed with a robust steel enclosure, it safely houses circuit breakers, fuses, and control devices to manage lighting, motor loads, and.