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ABB 3ASC25H204 DAPU100 Distributed Power Unit
Product Overview：ABB 3ASC25H204 DAPU100
The ABB 3ASC25H204 DAPU100 is a high-reliability Distributed Power Unit designed to deliver stable and efficient power management in industrial automation systems. As a core component of ABB’s AC 800M controller platform, this module plays a critical role in ensuring uninterrupted operation of PLCs, I/O systems, and field devices across harsh industrial environments. The 3ASC25H204 DAPU100 is engineered to provide redundant power supply capabilities, making it indispensable for mission-critical applications in industries such as oil & gas, power generation, and process manufacturing where downtime risks are high.
Featuring advanced voltage regulation and surge protection, the ABB 3ASC25H204 DAPU100 converts incoming AC power into clean DC power (24 V DC) for distributed control systems. Its dual-input design supports parallel operation with another DAPU100 module, creating a fault-tolerant power architecture that eliminates single points of failure. The module’s compact form factor (175 mm × 100 mm × 200 mm) and DIN rail mounting facilitate easy integration into control cabinets, while its intelligent diagnostics monitor power quality and alert operators to anomalies via LED indicators and digital communication channels.
In automation ecosystems, the 3ASC25H204 DAPU100 serves as a foundational element for reliable power distribution, ensuring consistent performance of control systems even in unstable grid conditions. Its compatibility with ABB’s System 800xA and AC 800M controllers enables seamless integration with higher-level diagnostics and maintenance tools, reducing operational complexity and enhancing system uptime. By combining robust hardware design with advanced power management features, this module optimizes energy efficiency and safeguards against costly disruptions in industrial processes.
Technical Specifications：ABB 3ASC25H204 DAPU100
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 3ASC25H204 DAPU100 |
| Manufacturer | ABB |
| Product Type | Distributed Power Unit |
| Input Voltage | 85–264 V AC (wide-range) |
| Output Voltage | 24 V DC ±5% |
| Output Current | 10 A (max continuous) |
| Efficiency | ≥90% at full load |
| Physical Dimensions | 175 mm (H) × 100 mm (W) × 200 mm (D) |
| Weight | 1.8 kg |
| Operating Temperature | -25°C to +60°C |
| Mounting | DIN rail (35 mm) or panel-mount |
| Redundancy Support | Dual-module parallel redundancy |
| Certifications | CE, UL 508, IEC 61000-6-2/6-4 |
3ASC25H204 DAPU100
Key Features and Advantages：ABB 3ASC25H204 DAPU100
Dual-Input Redundancy: The 3ASC25H204 DAPU100 supports parallel operation with a second module, creating a redundant power system that automatically switches to the backup supply in the event of a primary failure. This feature is critical for maintaining uninterrupted control system operation in industries where downtime could lead to safety incidents or production losses.
Wide-Range Input Compatibility: With support for 85–264 V AC input, the module adapts to fluctuating grid conditions in both low- and high-voltage regions, eliminating the need for external voltage converters. This flexibility simplifies system design and reduces hardware costs in global deployments.
Intelligent Diagnostics: Built-in monitoring functions continuously track input/output voltage, current, and temperature. Alerts are communicated via front-panel LEDs and digital interfaces (e.g., MODBUS RTU), enabling proactive maintenance and rapid fault isolation. The module also supports remote diagnostics through ABB’s automation software, enhancing operational visibility.
Compact and Rugged Design: Despite its high-power capacity, the 3ASC25H204 DAPU100 occupies minimal space in control panels, optimizing cabinet layout for dense installations. Its rugged enclosure and conformal coating protect against dust, moisture, and electromagnetic interference, ensuring reliable performance in harsh environments like offshore platforms and steel mills.
Energy-Efficient Operation: The module’s high-efficiency power conversion (≥90%) reduces heat generation and energy consumption, aligning with sustainability goals and minimizing long-term operational costs. Its low standby power draw further enhances efficiency in idle states.
Application Areas：ABB 3ASC25H204 DAPU100
The ABB 3ASC25H204 DAPU100 is ideally suited for industries requiring robust and redundant power solutions:
- Oil & Gas: Powers PLCs and safety instrumented systems (SIS) in refineries, pipelines, and offshore platforms, ensuring continuous operation of critical processes like pump control and emergency shutdown systems.
- Power Generation: Supports distributed control systems (DCS) in thermal, hydro, and wind power plants, maintaining stable power supply for turbine control, generator protection, and auxiliary equipment.
- Manufacturing: Delivers reliable power to automation systems in automotive, pharmaceutical, and food processing facilities, enabling precise control of conveyor belts, robotic arms, and packaging machinery.
- Water/Wastewater: Ensures uninterrupted operation of pumps, valves, and monitoring systems in water treatment plants, even during power fluctuations or grid outages.
Specific applications include:
- Redundant Power Systems: Deployed alongside another 3ASC25H204 DAPU100 to create a fail-safe power architecture for critical control systems.
- Remote Industrial Sites: Used in off-grid or remote locations with unstable power supplies, leveraging its wide input range and surge protection.
- Retrofit Projects: Replaces legacy power units in older automation systems, offering modern redundancy features and compatibility with contemporary control platforms.
3ASC25H204 DAPU100
Related Products：ABB 3ASC25H204 DAPU100
- 3ASC25H205 DAPU101: A higher-power variant (15 A output) designed for systems with increased power demands, suitable for large-scale I/O expansions.
- 3BSE018170R1 PS501: A single-input power supply module for non-critical applications, offering cost-effective performance in less demanding environments.
- 3ASC25H202 DAPU90: A compact predecessor model with 5 A output, ideal for small-scale control systems or remote I/O nodes.
- AC 800M CPU Modules (e.g., PM866AK01): Control processors that pair with the DAPU100 to form a complete automation solution, enabling real-time data processing and command execution.
- TB840 Terminal Block: A termination unit that simplifies wiring between the DAPU100 and field devices, reducing installation time and improving cable management.
- CI854 Communication Interface Module: Enables integration with Ethernet/IP or Profibus networks, allowing the DAPU100 to transmit diagnostic data to SCADA systems.
- SD824Z Redundant Power Supply: A dedicated backup power source designed to enhance the reliability of dual-module configurations.
Installation and Maintenance：ABB 3ASC25H204 DAPU100
Installation Preparation:
Before installing the ABB 3ASC25H204 DAPU100, ensure the control cabinet is properly grounded and ventilated to dissipate heat. Verify that the input voltage matches the module’s specifications (85–264 V AC) and use shielded cables for power connections to minimize electromagnetic interference. Mount the module on a DIN rail or panel using the included hardware, leaving at least 25 mm of space between adjacent components for airflow. For redundant setups, connect two DAPU100 modules in parallel using the dedicated redundancy interface.
Before installing the ABB 3ASC25H204 DAPU100, ensure the control cabinet is properly grounded and ventilated to dissipate heat. Verify that the input voltage matches the module’s specifications (85–264 V AC) and use shielded cables for power connections to minimize electromagnetic interference. Mount the module on a DIN rail or panel using the included hardware, leaving at least 25 mm of space between adjacent components for airflow. For redundant setups, connect two DAPU100 modules in parallel using the dedicated redundancy interface.
Maintenance Recommendations:
- Routine Inspections: Quarterly checks should include verifying LED status indicators, tightening power connections, and cleaning dust from the module’s vents to prevent overheating.
- Performance Testing: Annually test the module’s output voltage and current using a multimeter to ensure compliance with specifications. Document results for maintenance records.
- Firmware Updates: Periodically update the module’s firmware via ABB’s Control Builder M software to access new features and security patches, following the manufacturer’s guidelines.
- Spare Parts Management: Store spare 3ASC25H204 DAPU100 modules in a controlled environment (10–30°C, 20–80% RH) to facilitate quick replacement in case of failure, minimizing downtime.
3ASC25H204 DAPU100
Product Warranty：ABB 3ASC25H204 DAPU100
Our company provides a 12-month quality warranty for the ABB 3ASC25H204 DAPU100, covering hardware defects under normal use. In the event of performance issues or functional failures, we offer prompt replacement services. For discontinued models or urgent requirements, our global supply chain network ensures rapid delivery of rare or obsolete parts, supporting continuous industrial operations. Our technical support team is available 24/7 to assist with installation, troubleshooting, and system optimization, ensuring seamless integration and long-term reliability.
For inquiries, contact our dedicated team via website or phone/email.
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