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Schneider AEG 120-166-305
1. Overview
The ARG 120-166-305 belongs to the AEG MLS (Modular Low-voltage Switchgear) series, featuring a modular design that supports two structural configurations: rear-mounted busbar and top-mounted busbar. Compliant with IEC 60947-1/2/3 standards and certified by international authorities including CE, UL and CSA, this product is ideal for 400V/690V three-phase four-wire power distribution networks.
2. Technical Specifications
Rated Voltage: 400V / 690V (AC)Rated Current: 120A, 166A, 300A (optional)Rated Short-circuit Breaking Capacity: 25kA (Icu) / 35kA (Ict)Protection Class: IP20 (indoor use)Operating Temperature Range: -25°C to +55°CDimensions (Rear-mounted Busbar Type): 800mm (W) × 2100mm (H) × 600mm (D)Weight: Approximately 350kg
3. Product Features
- Modular & Scalable: Standardized modules (circuit breakers, contactors, protective relays, measuring instruments, etc.) enable flexible combination to meet diverse power distribution needs.
- High Reliability: Copper busbars and high-temperature resistant insulating materials ensure strong short-circuit breaking capacity and system safety.
- User-friendly Interface: Equipped with visual indicator lights and digital displays, supporting remote monitoring and multi-cabinet joint display.
- Easy Installation: Base can be fixed by welding or M16 bolts; cabinets can be connected via 8mm hexagon socket bolts for multi-cabinet arrangement.
- International Standard Compliance: Certified by IEC, EN, UL, CSA and other authoritative standards, suitable for global market deployment.
4. Structure & Components
- Cabinet Body: Steel frame structure with reserved internal busbar channels.
- Busbar System: Copper busbars (rear/top-mounted) providing main circuit connectivity.
- Modular Distribution Units: Including circuit breakers, contactors, fuses, protective relays, measuring instruments and communication modules.
- Distribution Accessories: Junction boxes, terminal blocks, grounding bars, supports and door locks.
- Human-Machine Interface (HMI): Indicator lights, digital displays, operation buttons and multi-cabinet connection interfaces.
5. Typical Application Fields
- Industrial Power Distribution: Main distribution cabinets for large-scale factories in manufacturing, chemical, metallurgical and other industries.
- Commercial Buildings: Power distribution centers for office buildings, shopping malls, hotels and similar premises.
- Public Facilities: Places with high power supply reliability requirements such as hospitals, schools and airports.
- Energy & Infrastructure: Secondary distribution equipment for power stations, substations and distribution networks.
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