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Schneider AEG 92-00429-05
Schneider AEG 92-00429-05 is a low-voltage switchgear assembly (MLS) adopting a rear-mounted busbar structure, suitable for main and secondary busbars, distribution cabinets and other scenarios in power distribution systems. Compliant with IEC 60947-4-1 standard, this product features high reliability and modular design, facilitating rapid on-site assembly and maintenance.
Key Technical Parameters
Rated Voltage: 400V (AC)Rated Current: 63A – 1250A (optional)Rated Short-Circuit Breaking Capacity: 25kA – 65kA (optional)Rated Operating Temperature: -25°C – +55°CProtection Class: IP20 (indoor use) or IP54 (dustproof and waterproof)Dimensions: Standard 800mm × 800mm × 2100mm (W × D × H)Weight: Approximately 1,200kg (depending on configuration)
Product Features
- Modular Design: Each functional unit (circuit breaker, contactor, relay, measuring instrument, etc.) is a standardized module, enabling quick on-site assembly or replacement and significantly shortening the construction period.
- Rear-mounted Busbar (MLS) Structure: Busbars are located at the rear of the cabinet, easy for maintenance, reducing electromagnetic interference and providing better heat dissipation space.
- High Reliability: Adopts low-voltage switching components compliant with IEC 60947-4-1, with multiple protection functions including short-circuit, overload, undervoltage and undercurrent protection.
- Compact & Easy Expansion: Rational internal layout allows flexible addition or removal of functional modules as required.
Structure & Components
- Cabinet Body: Steel frame with anti-corrosion spray coating on the surface.
- Rear-mounted Busbars: Copper or aluminum busbars equipped with busbar supports and fixing devices.
- Functional Modules: Including circuit breakers, contactors, thermal relays, measuring instruments, communication modules, etc.
- Wiring Ducts & Terminals: Provide clear wiring paths for convenient on-site wiring.
- Accessories: Protective doors, indicator lights, operating handles, grounding devices, etc.
Typical Application Fields
- Industrial power distribution systems (e.g., manufacturing workshops, automated production lines)
- Commercial building power distribution (office buildings, shopping malls)
- Infrastructure (airports, stations, ports)
- Energy stations (photovoltaic and wind power grid connection)
- Data center power distribution
Installation & Maintenance Guidelines
On-site Preparation
Ensure the equipment room or power distribution room has sufficient space, good ventilation and moisture-proof conditions.
Mechanical Installation
Fix the cabinet to the ground or bracket with bolts, and check the levelness and verticality.
Busbar Connection
Correctly connect the rear-mounted busbars to external power supplies and loads according to the wiring diagram, and use dedicated busbar terminals to ensure reliable contact.
Module Assembly
Slide the required functional modules into the reserved module slots in sequence, lock them and check the positioning.
Wiring & Labeling
Complete the incoming and outgoing wiring of each module in accordance with electrical drawings, and use unified colors and numbering for identification.
Commissioning
Conduct insulation resistance and grounding continuity tests before power-on; perform functional tests (closing, opening, protection action) after power-on.
Daily Maintenance
Regularly check the fasteners of busbars and modules, clean dust, detect temperature and vibration; conduct preventive replacement of wearing parts such as circuit breakers and contactors.
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