Product Short Description
Product Introduction
The ABB 802A028D-3 is a high‑power, industrial‑grade DC power supply module designed to deliver stable 24 VDC power for critical industrial control systems, automation equipment, and field instrumentation. It accepts universal AC input and provides a regulated 24 VDC output with a maximum current of 28 A, delivering a total power of 672 W. Built with robust industrial components and comprehensive protection features, this unit ensures reliable, uninterrupted power delivery in harsh industrial environments. It supports DIN‑rail mounting for easy integration into control cabinets and features high energy efficiency to minimize heat generation and power consumption.
Description
Technical Specifications
Input Parameters
- Input Voltage: 100–240 VAC, universal input
- Input Frequency: 50/60 Hz
- Input Connection: Screw terminal block
- Input Protection: Over‑voltage protection, surge protection, over‑current protection
Output Parameters
- Output Voltage: 24 VDC, regulated
- Output Current: 28 A (maximum)
- Output Power: 672 W
- Output Ripple/Noise: < 1% of output voltage
- Output Regulation: ±1% of nominal voltage
- Output Protection: Short‑circuit protection, over‑load protection, over‑temperature protection
Mechanical & Physical
- Mounting: DIN‑rail mounting
- Cooling: Forced air cooling
- Dimensions: Standard industrial DIN‑rail form factor
- Weight: Approximately 1.8 kg
- Indicators: LED indicators for power on, output normal, and fault status
Environmental & Compliance
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5%–95% RH, non‑condensing
- Vibration/Shock: Complies with IEC 60068‑2‑6 and IEC 60068‑2‑27
- Protection Class: IP67
- Certifications: CE, UL, cUL, RoHS compliant
Key Features
- High Power Output: Delivers 24 VDC at 28 A (672 W) to power multiple industrial devices simultaneously.
- Universal AC Input: Accepts 100–240 VAC for global deployment without voltage conversion.
- Comprehensive Protection: Integrates input surge, over‑voltage, over‑current, output short‑circuit, over‑load, and over‑temperature protection to safeguard connected equipment.
- High Efficiency: Operates at >80% efficiency to reduce energy consumption and heat dissipation.
- LED Status Indicators: Provides clear visual feedback for power status, normal operation, and fault conditions for quick diagnostics.
- DIN‑Rail Mounting: Enables easy, space‑saving installation in standard industrial control cabinets.
- Robust Industrial Design: Built to withstand vibration, shock, and wide temperature variations in harsh industrial environments.
- IP67 Protection: Offers dust‑tight and water‑resistant performance, suitable for demanding industrial and outdoor installations.
- Long Service Life: Uses high‑quality components for extended operational reliability and minimal maintenance.
Application Scenarios
- Industrial Control Systems: Primary power supply for PLCs, DCS systems, and industrial controllers in manufacturing and process industries.
- Automation Equipment: Powers servo drives, motor controllers, and industrial robots in automated production lines.
- Field Instrumentation: Supplies stable power to sensors, transmitters, and field devices in oil & gas, chemical, and power generation facilities.
- Power Distribution & Substations: Provides reliable power for RTUs, protection relays, and monitoring equipment in electrical substations.
- Water & Wastewater Treatment: Powers pump controls, valve actuators, and monitoring systems in water treatment plants.
- Building Automation: Supplies power to HVAC controls, access control systems, and building management systems.
- Telecommunications: Provides backup and primary power for communication equipment in industrial and remote sites.
- System Retrofit & Upgrade: Replacement power supply for upgrading existing industrial control systems to enhance power reliability.
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