Product Introduction

The ABB 5SHX2645L0004 (3BHL000389P0104) is a 4500V IGCT integrated gate commutated thyristor power assembly, paired with gate drive unit 3BHB003154R0101 and fast recovery diode 5SXE05-0156. This high-power semiconductor stack adopts fiber optic triggering for high noise immunity. It integrates snubber circuit, gate drive and power semiconductor devices, used in ABB ACS1000 medium voltage drives, UNITROL generator excitation systems and static frequency converters. It features high switching speed, low on-state loss and reliable short-circuit protection, widely used in power plants, metallurgy and heavy industry high-power variable speed control.

Content Details

5SHX2645L0004 is the core 4500V IGCT power chip assembly marked 3BHL000389P0104. 3BHB003154R0101 serves as IGCT gate driver board receiving optical trigger signals to control turn-on and turn-off of IGCT. 5SXE05-0156 is matching high voltage fast diode for freewheeling and voltage clamping. The whole assembly adopts fiber signal transmission to isolate low voltage control circuit from high voltage power stage, suppressing strong electromagnetic interference. Built-in temperature and current monitoring for fault detection and alarm feedback to upper controller. Rugged compact assembly design for rack installation, suitable for continuous operation under vibration and high EMI environment. This set is critical spare parts for maintenance replacement of ABB ACS1000 MV drives and UNITROL excitation racks. Before shipment, each set undergoes full functional test and thermal aging inspection to eliminate hidden defects and guarantee reliable long-term continuous operation.

Tags: 5SHX2645L0004 3BHL000389P0104 ABB IGCT power module

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