ABB S‑123H 3BHB030479R0512 IGCT Power Phase Module

The ABB S‑123H (3BHB030479R0512) is a high‑capacity IGCT power phase module used for ABB medium‑voltage drive systems. It completes core power conversion and phase control inside medium‑high voltage converters, providing stable adjustable power output for large‑capacity industrial motors under heavy‑load operating conditions.

This power module adopts industrial‑grade IGCT power semiconductor components, supporting long‑term continuous heavy‑duty operation. It is a critical spare part for overhaul and retrofitting of ABB ACS6000 and PCS6000 series medium‑high voltage frequency converters.

Main Specifications

• Brand: ABB; Model: S‑123H; Part No.: 3BHB030479R0512; Type: IGCT Power Phase Module
• Applicable Equipment: ACS6000, PCS6000 medium‑high voltage frequency converters
• Power Device: Integrated Gate‑Commutated Thyristor (IGCT)
• Cooling Mode: Air‑cooled or water‑cooled according to cabinet configuration
• Operating Environment: -10℃ ~ +45℃, 5%‑95% RH non‑condensing
• Diagnosis: Built‑in power device status monitoring and fault feedback function
• Certifications: CE, compliant with IEC industrial power electronic equipment standards

Core Functions

• Realize AC‑DC‑AC power conversion for medium‑high‑voltage drive equipment.
• Implement precise phase control to output adjustable voltage for large industrial motors.
• Reduce output harmonic distortion and improve grid‑side power quality.
• Monitor real‑time working status of power devices and upload fault alarms to main control unit.
• Modular mechanical structure supports quick disassembly and convenient on‑site replacement.
• Fully match original ABB drive control hardware to execute motor control algorithms.

Application Scenarios

• High‑power medium‑voltage frequency converter cabinets for mining, metallurgy and cement plants.
• Large‑capacity motor drive systems for petrochemical, water supply and energy industries.
• Retrofit and spare replacement of legacy ABB ACS6000 / PCS6000 drive platforms.
• Heavy‑duty industrial equipment speed‑regulation and energy‑saving renovation projects.
• Spare parts inventory for heavy‑industry automation integrators and engineering contractors.

• Global aftermarket spare supply for technical teams maintaining ABB high‑voltage drive hardware.