Schneider AEG AS-J540-100
AS-J540-100 is a low-voltage switchgear series launched via the collaboration between Schneider Electric and AEG, belonging to the J540 series with a 100 kVA rating. It is mainly applied in industrial power distribution, building electromechanical systems, and power protection & control for large-scale facilities, featuring high reliability, modular design and flexible on-site assembly.
Key Technical Specifications
Rated Voltage: 400 V (Three-phase) / 230 V (Single-phase)Rated Current: 100 A (125 A, 160 A optional)Rated Power: 100 kVA (equivalent to 80 kW)Short-time Withstand Current: 25 kA (10 ms)Protection Class: IP20 (Indoor) / IP54 (Dust & Water Resistant)Operating Temperature Range: -25 °C to +55 °CCertifications: Compliant with IEC 60947-1, IEC 61439-1, GB 50054 and other domestic & international electrical safety standards
Product Features
- Modular Structure: The cabinet adopts standardized modules, which can be flexibly combined according to on-site requirements, facilitating transportation and on-site assembly.
- High Reliability: High-temperature and impact-resistant insulating materials plus high-performance circuit breakers ensure safe long-term operation.
- User-friendly Operation: Equipped with LED status indicators, programmable display panels and local/remote control interfaces, supporting quick on-site commissioning.
- Energy Saving & Environmental Protection: Built-in low-power components meet the latest energy efficiency requirements, reducing operational costs.
- Easy Maintenance: All key components are designed for quick disassembly and assembly; modules can be replaced without shutting down the system during maintenance.
Structure & Components
- Main Cabinet: Steel frame with reserved internal guide rails for installing circuit breakers, contactors, relays and other components.
- Circuit Breaker Module: Provides overload and short-circuit protection, with miniature circuit breakers of different rated currents optional.
- Contactors/Thermal Relays: Realize motor start, stop and protection functions.
- Control & Display Unit: Includes buttons, indicator lights, digital display screens and communication interfaces (Modbus, Profibus).
- Wiring Terminal Blocks: Screw-type or spring-type terminals for convenient on-site wiring.
- Accessories: Lightning protection devices, grounding bars, cooling fans (optional), etc.
Typical Application Fields
- Industrial power distribution systems (e.g., steel, chemical, machinery processing plants)
- Large-scale building electromechanical systems (e.g., office buildings, shopping malls, hospitals)
- Water treatment and pump station control cabinets
- Power distribution protection for public facilities like rail transit and airports
- Any occasion requiring reliable low-voltage power distribution and motor start protection
Installation Essentials
- On-site Survey: Confirm machine room space, ventilation conditions and floor load-bearing capacity.
- Positioning & Fixing: Place the cabinet horizontally and fix it to walls or floors with expansion bolts.
- Grounding: Implement reliable grounding in accordance with IEC 60364-5-54, ensuring separation between protective neutral wire and protective grounding.
- Wiring: First complete terminal block wiring for main power incoming and outgoing lines, then carry out control circuit wiring while keeping phase sequence consistent.
- Commissioning: Check tightness of all bolts and terminals before power-on; verify action parameters of circuit breakers and contactors with built-in test functions after power-on.
Maintenance Recommendations
- Regular Inspection: Check terminal tightness, wiring temperature and cabinet integrity every 6 months.
- Cleaning & Maintenance: Wipe surface dust with a dry soft cloth to prevent dust from entering internal components.
- Functional Test: Conduct a full functional test annually, including reset and action time of overload and short-circuit protection.
- Component Replacement: Replace vulnerable parts such as circuit breakers and contactors in a timely manner based on service life (usually 10-15 years) or fault records.

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