Electrically-isolated chip and baseboard AC2500V; Sealing package according to international standard; Full crimping structure,sensitive to temperature and power cycle duty; Modules under 350A with compulsive wind-cooling; Modules under 400A either with wind-cooling or water-cooling; Convenient installation use and maintenance Compact and lightweight Welding technique under the protection of vacuum and hydrogen gas; Max work junction temperature up to 150℃; Low forward voltage drop. Non-insolated baseboard as common electrode; Max work junction temperature up to 150℃; High surge current; Low forward voltage drop. Applications: AC/DC motor controls, Dc power supply for instrument and equipment, Varionus rectifying power supplies, Welder, Battery charge and discharge, Soft starters, Motor soft start, Converter, Industrial heating control, Dimming, Contactless switch, AC/DC switches, Frequency converter, UPS power supply, phase-controlled rectification, DC power supply for instrument equipment/ current charge, charging equipment.