The Fuji Electric SZ1KZ2 is a high-performance coil surge suppression unit designed to protect electromagnetic contactors from voltage surges. Operating at 24-48 VAC/VDC, this varistor-based device is compatible with SC-E02x to SC-E05x contactors, ensuring reliable operation and preventing malfunctions in industrial automation systems. Ideal for factory automation, the SZ1KZ2 enhances system efficiency and longevity, making it a crucial component for energy-saving solutions.