Thyristor / Diode Modules SKKT46 40A, 800-1800V Same semipack , same case, ... with international standard. Pressure type,excellent temperature characteristics and power cycling capability3. 350A below modules are forced air cooling; ... , Light adjustment, Non-contact switch3. Motor softstarter, Static reactive power compensation4. Welding equipment, Frequency transformer, UPS5. Battery charging and ...