
Product Introduction
The ABB DASD 147 3ASC25H280 Thyristor Module is a high-performance power semiconductor module engineered for industrial applications requiring precise control of high-current AC and DC loads. Part of ABB’s 3ASC series, this module is renowned for its robust switching capability, high surge current tolerance, and reliable thermal performance.
The module utilizes thyristor technology to provide accurate and efficient control over electrical power, making it suitable for a wide range of applications including variable-speed drives, power converters, and industrial motor control units. Its rugged design ensures dependable operation in demanding environments, while advanced thermal management supports sustained performance under high-load conditions.
Engineered for integration into industrial systems, the DASD 147 3ASC25H280 enhances operational efficiency, protects connected equipment, and provides stable, precise power control essential for modern industrial automation and process control.
Product Specifications
| Parameter |
Description |
| Manufacturer |
ABB |
| Series |
3ASC Thyristor Module |
| Model Number |
DASD 147 3ASC25H280 |
| Module Type |
Thyristor Module |
| Voltage Rating |
High-voltage DC/AC switching (system dependent) |
| Current Rating |
High surge and continuous current capacity |
| Switching Type |
Controlled thyristor switching |
| Thermal Management |
Integrated heat dissipation with mounting options |
| Protection Features |
Overvoltage and surge current tolerant |
| Mounting Type |
Screw or bolt mounting on heat sink |
| Connector Type |
High-current terminals |
| Package Dimensions |
150 × 120 × 80 mm |
| Weight |
2.5 kg |
Applications
• Variable-Speed Drives – Provides precise control for industrial motor operation and energy efficiency.
• Power Converters – Ideal for AC-DC and DC-AC conversion in industrial systems.
• Energy Storage Systems – Controls high-power switching in storage and distribution applications.
• Industrial Heating – Regulates high-current heating elements in process industries.
• Traction Systems – Supports electric locomotives and trams with controlled power delivery.
• High-Power Switching – Suitable for industrial switchgear requiring reliable surge current handling.
Advantages
• High Current Capacity – Handles large continuous and surge currents with reliable performance.
• Robust Construction – Solid module design ensures long-term durability in demanding environments.
• Thermal Efficiency – Maintains safe operating temperatures under high-load conditions.
• Precise Power Control – Thyristor switching enables accurate regulation for AC and DC applications.
• Environmental Resistance – Withstands industrial temperature and electrical stress.
• Easy Integration – Compatible with standard industrial mounting and heat dissipation methods.
FAQ
1. What is the main function of this thyristor module?
It provides controlled switching of high-current AC and DC loads in industrial power electronic systems.
2. What kind of applications benefit from this module?
Applications include variable-speed drives, power converters, industrial heating, energy storage, and traction systems.
3. What is the advantage of thyristor-based switching?
Thyristors allow precise control of large voltages and currents with high efficiency and reliability.
4. How does this module manage heat during high-load operation?
It is designed for mounting on heat sinks with effective thermal management to maintain safe operating temperatures.
5. Can it handle surge currents?
Yes, it is engineered to tolerate high surge currents and overvoltage conditions.
6. What are the installation requirements?
It is mounted using screws or bolts onto a compatible heat sink, with high-current terminals for connections.
7. Is this module suitable for continuous operation?
Yes, it is designed for long-term continuous duty in industrial applications.
8. How compact is this module?
Its package allows easy integration in industrial power electronics systems while maintaining reliable performance.
9. Can it be used in both AC and DC systems?
Yes, it supports controlled switching in both AC and DC environments depending on system design.
10. What industries commonly use this module?
It is widely used in industrial automation, power generation, energy storage, transportation, and process control industries.
Related Models
| Model |
Voltage Rating |
Current Rating |
Package Size |
Series |
| 3ASC25H260 |
High |
High |
150 × 120 × 80 mm |
3ASC |
| 3ASC25H300 |
High |
High |
150 × 120 × 80 mm |
3ASC |
| 3ASC20H250 |
Medium |
Medium |
140 × 110 × 75 mm |
3ASC |
| 3ASC30H280 |
High |
High |
160 × 125 × 85 mm |
3ASC |
| 3ASC15H220 |
Medium |
Medium |
140 × 110 × 70 mm |
3ASC |
| 3ASC40H350 |
High |
High |
170 × 140 × 90 mm |
3ASC |
Popular Models
| Model |
Voltage Rating |
Current Rating |
Application |
| 3ASC25H280 |
High |
High |
Industrial drives |
| 3ASC25H260 |
High |
High |
Power converters |
| 3ASC30H280 |
High |
High |
Traction systems |
| 3ASC20H250 |
Medium |
Medium |
Heating control |
| 3ASC15H220 |
Medium |
Medium |
Energy storage |
| 3ASC40H350 |
High |
High |
Heavy-duty industrial power |
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