Schneider AEG ALU821

Overview

Main Specifications

• Rated Voltage: 400 V AC (230 V AC optional)
• Rated Current: 16 A / 32 A (selectable based on specific model)
• Power: Up to 7.5 kW (depending on current rating)
• Protection Rating: IP20 (for internal use) or IP54 (for enclosure protection)
• Operating Temperature Range: -25 °C to +55 °C
• Mounting Method: DIN rail or panel mounting, equipped with standard screw holes
• Connection Method: Screw terminals, spring terminals or quick-connect terminals available

Product Features

1. Lightweight Aluminum Alloy StructureIt reduces weight by approximately 30% compared with traditional steel modules, facilitating easy handling and installation.
2. Modular DesignIt allows flexible combination of different functional units (relays, contactors, indicator lights, etc.) to meet diverse power distribution requirements.
3. High Heat Dissipation PerformanceThe aluminum alloy enclosure is integrated with heat sinks, which lowers internal temperature rise and enhances operational reliability.
4. Protection & SafetyCompliant with IEC 60947 standards, it provides overload and short-circuit protection. Its protection rating meets the dust and water resistance requirements of industrial sites.
5. Easy MaintenanceTerminals adopt spring or screw type, enabling quick assembly and disassembly for convenient on-site inspection, repair and replacement.

Structure & Components

• Enclosure: Aluminum alloy chassis fitted with protective cover and heat sinks.
• Internal Electrical Units: Including main contacts, auxiliary contacts, coils, fuse holders, indicator light holders, etc.
• Terminal Block: Offers multiple terminal types (screw, spring, quick-connect) to accommodate connection of different cable specifications.
• Mounting Accessories: DIN rail clips, panel screws, junction boxes, etc.

Typical Application Fields

• Industrial Automation: Production line control cabinets, robotic systems, CNC machine tools.
• Energy Management: Distribution boxes, front-end protection of frequency converters, grid connection of photovoltaic inverters.
• Building Facilities: Air conditioning systems, lighting control, fire pump stations.
• Transportation: Rail transit power supply, airport ground support equipment.

Installation & Maintenance Guidelines

1. Pre-installation InspectionVerify that the power supply voltage and rated current match the module specifications; check the firmness of DIN rail or panel fixation.
2. Wiring SpecificationsUse wire cross-sections compliant with IEC 60364 standards, ensure terminals are fastened securely to avoid poor contact caused by loosening.
3. Protection MeasuresIn humid or dusty environments, select enclosures with IP54 protection rating and ensure proper grounding.
4. Heat Dissipation InspectionKeep the area between heat sinks and enclosure free of obstacles to maintain ventilation; install forced air cooling if necessary.
5. Regular MaintenanceInspect terminal tightness, indicator light functionality and internal insulation status every 6–12 months; replace faulty units promptly if abnormalities are detected.