Title: FUJI FCS4 Compact Circuit Breaker - Advanced Electrical Protection Solution for Industrial & Commercial Applications

Product Overview:
The FUJI FCS4 Compact Circuit Breaker stands as a testament to Fuji Electric's commitment to delivering cutting-edge electrical protection technology. Engineered for superior safety, unwavering reliability, and optimal performance, the FCS4 series is meticulously designed to safeguard critical electrical systems against overcurrents and short circuits. This essential component ensures the longevity of valuable equipment and guarantees continuous operational uptime across a diverse range of demanding environments. Its innovative, space-saving design, coupled with a high breaking capacity, makes the FCS4 an ideal choice for installations where panel space is at a premium, without ever compromising on its robust protective capabilities. Built for enduring performance and consistent reliability, the FUJI FCS4 provides unparalleled peace of mind through advanced circuit management and enhanced system integrity, making it a cornerstone for modern electrical infrastructure.

Key Features & Benefits:

Superior Overcurrent and Short-Circuit Protection: Effectively prevents damage to sensitive electrical equipment and wiring from excessive current flows, significantly extending system lifespan and enhancing overall safety.
High Breaking Capacity: Engineered to reliably interrupt large fault currents, ensuring robust protection even under severe electrical fault conditions, minimizing potential system damage.
Compact and Space-Saving Design: Optimized dimensions allow for seamless integration into crowded control panels, distribution boards, and machinery, maximizing valuable cabinet space.
Enhanced Safety Features: Incorporates advanced internal mechanisms to minimize arc flash hazards and ensure safer operation and maintenance procedures for personnel.
Quick and Easy Installation: Designed for straightforward DIN rail mounting and intuitive wiring, significantly reducing installation time and associated labor costs.
Durable and Robust Construction: Manufactured with high-quality, industrial-grade materials to withstand harsh environmental conditions, including vibrations, dust, and wide temperature fluctuations, ensuring long-term reliability.
Global Standards Compliance: Fully compliant with major international safety and performance standards (e.g., IEC 60947-2, UL 489, CE, RoHS), guaranteeing suitability for worldwide applications and regulatory adherence.
Precision Thermal-Magnetic Trip Unit: Provides comprehensive and reliable protection against both sustained overloads (thermal) and instantaneous short circuits (magnetic), offering complete circuit defense.
Clear Visual Trip Indication: Features a distinct indicator for trip status, allowing for rapid fault identification and efficient troubleshooting, thereby minimizing costly downtime.
Versatile Application Range: Suitable for a broad spectrum of AC and DC applications, offering exceptional flexibility across various electrical systems and power configurations.
Reduced Maintenance Requirements: Engineered for consistent, trouble-free performance with minimal need for servicing, contributing to lower long-term operational costs and improved system efficiency.

Applications:

The FUJI FCS4 Compact Circuit Breaker is an indispensable component across diverse sectors requiring robust and reliable electrical protection. Its exceptional versatility makes it perfectly suitable for:
Industrial Automation Systems: Providing critical protection for Programmable Logic Controllers (PLCs), motor control centers, industrial machinery, and robotic systems in manufacturing plants.
Commercial Buildings: Safeguarding lighting circuits, HVAC systems, power distribution panels, and critical infrastructure in offices, retail spaces, data centers, and educational institutions.
Renewable Energy Systems: Essential for protecting inverters, charge controllers, battery banks, and associated wiring in solar photovoltaic and wind power installations.
Telecommunications Infrastructure: Ensuring uninterrupted power supply and reliable protection for network equipment, base stations, and data communication centers.
HVAC and Refrigeration Units: Offering vital overload and short-circuit protection for compressors, fan motors, and control circuitry in heating, ventilation, and air conditioning systems.
Original Equipment Manufacturer (OEM) Integration: Ideal for seamless integration into custom-built machinery, specialized control panels, and bespoke electrical apparatus.
Advanced Residential Electrical Panels: Enhancing safety, reliability, and compliance in modern home electrical systems and smart building applications.
Marine and Transportation: Providing robust and vibration-resistant protection in demanding mobile and harsh environment applications, including ships, trains, and heavy vehicles.

Technical Specifications:

Product Model: FUJI FCS4
Part Number (Standard): FUJI-FCS4
Part Number (Alphanumeric): FUIFCS4
Rated Current Range: 0.5A to 63A (Specific rating varies by sub-model)
Rated Voltage (AC): 230V / 400V AC (50/60Hz)
Rated Voltage (DC): Up to 220V DC
Breaking Capacity (Icu): Up to 10kA at 400V AC (Specific value depends on current rating)
Trip Curve: C-Curve (Standard; B and D curves available upon request)
Poles: Available in 1P, 2P, 3P, and 4P configurations
Mounting Type: Standard DIN Rail Mount (EN 60715)
Operating Temperature Range: -20°C to +70°C
Storage Temperature Range: -40°C to +85°C
Protection Degree: IP20 (Terminals), IP40 (Enclosure with cover)
Electrical Life: 10,000 operations (minimum)
Mechanical Life: 20,000 operations (minimum)
Standards Compliance: IEC 60947-2, UL 489, CE, RoHS Directive
Dimensions (per pole, approximate): 17.5mm (Width) x 85mm (Height) x 70mm (Depth)
Weight: Approximately 0.12 kg (0.26 lbs) per pole (varies by number of poles and current rating)