Technical Specifications Model: 3BHB016120R0002 Type: IGCT Excitation/Control Module Voltage Specifications: Support AC/DC Medium and High Voltage System Operating Frequency: 50kHz Level Switching Operating Temperature: -40 ° C to + 85 ° C Installation Method: Card type, Supporting ABBIGCT shell/heat sink EMC/environmental protection: high EMI immunity, anti-electromagnetic interference certification standard: ABB original factory certification, support customized configuration