Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 5SHY4045L0004 |
| Manufacturer | ABB |
| Product category | Thyristor module (Silicon Controlled Rectifier, SCR) |
| Rated average on-state current (ITAV) | 450 A (at 120°C, half-wave, 50 Hz) |
| Repetitive peak off-state voltage (VDRM) | 4000 V |
| Gate trigger current (IGT) | 50-250 mA (max) |
| Gate trigger voltage (VGT) | ≤3.5 V |
| Maximum junction temperature (Tj) | +125°C |
| Isolation voltage (Viso) | 6000 Vrms (1 min) |
| Dimensions (LxWxH) | 140 mm x 110 mm x 30 mm (5.51 in x 4.33 in x 1.18 in) |
| Mounting type | Screw mounting (M6 bolts) |
| Package type | Press-fit terminal, hermetically sealed |
| Certification | IEC 60747, UL 1557, CE |
ABB 5SHY4045L0004
Product introduction
The ABB 5SHY4045L0004 is a high-voltage thyristor module (SCR) designed for heavy-duty industrial applications, part of ABB’s renowned portfolio of power semiconductor components. This module serves as a critical switching device in power conversion systems, enabling controlled rectification, AC voltage regulation, and power control in high-voltage, high-current environments.
ABB 5SHY4045L0004 combines a 450 A current rating with a 4000 V voltage capability, making it suitable for applications such as industrial rectifiers, battery chargers, traction systems, and power supplies for large motors. Its robust design ensures reliable operation in harsh electrical conditions, while its precise gate control enables smooth power regulation. Whether deployed in steel mills, railway systems, or renewable energy installations, ABB 5SHY4045L0004 delivers efficient power handling, contributing to system stability and operational safety.
Core advantages and technical highlights
High voltage and current handling: ABB 5SHY4045L0004 stands out with its 4000 V repetitive peak off-state voltage and 450 A average on-state current, making it capable of managing high-power loads in demanding applications. This combination of voltage and current ratings eliminates the need for parallel or series configurations in many systems, simplifying design and reducing component count.
Robust thermal performance: The module features a direct copper bond (DCB) substrate and a thermally conductive baseplate, ensuring efficient heat dissipation even at maximum load. Its maximum junction temperature of +125°C allows operation in high-temperature environments without performance degradation, enhancing system reliability in industrial settings with limited cooling capacity.
Precise gate control: With a low gate trigger voltage (≤3.5 V) and moderate trigger current (50-250 mA), ABB 5SHY4045L0004 enables accurate and repeatable switching, ensuring smooth power regulation. This precision is critical in applications such as variable voltage transformers and motor speed control, where stable output is essential for process quality.
Enhanced ruggedness: Hermetically sealed and designed to withstand vibration, humidity, and electromagnetic interference (EMI), ABB 5SHY4045L0004 maintains performance in harsh industrial environments. Its 6000 Vrms isolation voltage provides additional protection against voltage spikes, safeguarding both the module and connected equipment.
Typical application scenarios
In steel manufacturing, ABB 5SHY4045L0004 is used in rectifier systems for electric arc furnaces, converting AC power to DC to supply the furnace’s electrodes. Its high voltage rating (4000 V) handles the large voltage swings inherent in arc furnace operations, while its current capacity (450 A) ensures sufficient power delivery for melting and refining processes. The module’s robust design withstands the electrical noise and thermal stress of the furnace environment.
Within railway traction systems, ABB 5SHY4045L0004 controls the power flow to traction motors in electric locomotives and high-speed trains. It regulates voltage to adjust motor speed, enabling smooth acceleration and deceleration. Its ability to handle high voltages and currents ensures reliable performance under varying load conditions, from startup to full speed.
In renewable energy storage systems, particularly large-scale battery banks, ABB 5SHY4045L0004 serves as a rectifier in battery chargers, converting grid AC power to DC for battery charging. Its precise gate control allows for controlled charging currents, extending battery life, while its high voltage rating accommodates the series-connected battery configurations common in energy storage installations.
ABB 5SHY4045L0004
Related model recommendations
ABB 5SHY3545L0004: A lower-voltage variant (3500 V) of ABB 5SHY4045L0004 with the same 450 A current rating, suitable for applications with reduced voltage requirements.
ABB 5SHY4055L0004: A higher-current model (550 A) than ABB 5SHY4045L0004 with 4000 V rating, ideal for larger power systems such as industrial smelters.
ABB 5STP08D1600: Thyristor module with similar voltage handling but different packaging, offering compatibility with alternative system designs.
ABB RDCO-03C: Gate driver board optimized for ABB 5SHY4045L0004, providing precise trigger signals and overcurrent protection.
ABB T1000: Temperature monitoring unit that pairs with ABB 5SHY4045L0004 to track junction temperatures, preventing overheating during peak loads.
ABB CSS150: Circuit breaker designed for systems using ABB 5SHY4045L0004, offering overcurrent protection at the system level.
ABB 5SNA 4000E400300: IGBT module that complements ABB 5SHY4045L0004 in hybrid power conversion systems requiring both thyristor and IGBT technology.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing ABB 5SHY4045L0004, ensure the heatsink is clean, flat, and sized to dissipate the module’s heat (recommended thermal resistance ≤0.08 K/W). Required tools include a torque wrench (set to 8 Nm for mounting bolts), thermal paste (ABB-recommended type), and an insulation tester. Degrease the baseplate and heatsink mating surfaces, then apply a thin, uniform layer of thermal paste to ensure optimal heat transfer. Verify that the mounting surface is free of burrs or scratches that could compromise thermal contact.
Maintenance suggestions: For ABB 5SHY4045L0004, monitor junction temperature during operation using built-in thermistors—ensure Tj does not exceed +125°C. Inspect gate and power connections quarterly for tightness and signs of corrosion, retorquing if necessary to prevent increased contact resistance. Clean the heatsink fins annually to remove dust and debris, which can reduce cooling efficiency. If the module exhibits increased voltage drop or fails to trigger, perform a visual inspection for cracked substrates or damaged terminals. Replace ABB 5SHY4045L0004 if signs of overheating (discoloration) or electrical damage are detected, using only genuine ABB replacements to maintain performance.
Service and guarantee commitment
ABB 5SHY4045L0004 is backed by a 2-year warranty from the date of installation, covering manufacturing defects and performance issues under normal operating conditions. ABB’s technical support team provides specialized assistance for thermal design, gate driver integration, and troubleshooting, with response times guaranteed within 12 hours for critical inquiries.
We offer application engineering services to optimize the integration of ABB 5SHY4045L0004 into power systems, including thermal simulation and reliability analysis. Extended warranty options up to 5 years are available, including annual performance testing. In the event of a fault, ABB guarantees a 72-hour turnaround for failure analysis, with replacement modules available for next-day delivery to minimize system downtime. All replacements use genuine ABB components, ensuring ABB 5SHY4045L0004 maintains its original voltage handling and current capabilities.
