Electrical Balance of Systems (BOS)
Reliable, Safe, and High-Performance Electrical Components for Solar Projects SWELECT Electrical BOS solutions are engineered to ensure maximum safety, efficiency, and reliability for solar power systems. Designed with premium components, global brand certifications, and stringent quality standards, our BOS range ensures seamless power distribution, protection, and control for rooftop, ground, and large-scale solar installations.
Key Features (Common to All Electrical BOS)
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High electrical safety with MCBs, MCCBs, and SPDs from leading global brands
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Robust enclosures with powder coating, IP & IK ratings for indoor/outdoor applications
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Designed for easy installation and site cable terminations
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Customizable configurations for site requirements and solar system layouts
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World-class components for precision, reliability, and long-term performance
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Adherence to ISO and global quality standards
SWELECT ACDB (AC Distribution Box)
Efficient and Safe Power Distribution
SWELECT ACDBs safeguard your solar system from short circuits, overloads, and surges while ensuring high operational efficiency. Designed with global standard-certified components, they provide robust protection and seamless connectivity for solar inverters and load points.
Highlights
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Input/Output MCBs & MCCBs from LK, ABB, Legrand, Schneider, Siemens, Eaton
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Aluminium or copper busbars (99.9% pure)
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Surge Protection Devices (Type 1 & 2) from Phoenix, Finder, Mersen
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Accurate CTs & MFMs for monitoring (RISHABH, ALFA, KALPA, Selec, Secure)
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Easy installation for input/output cable terminations
SWELECT Servo Stabilizer
Precise Voltage Regulation for Sensitive Loads
SWELECT servo stabilizers provide consistent voltage output, protecting electrical equipment from fluctuations, improving lifespan, and ensuring efficient operation. Ideal for industrial machinery, offices, and commercial applications in areas with unstable grids.
Key Features
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Microcontroller-based True RMS sensing for fast voltage correction (<40ms)< /p>
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Wide operating voltage and frequency range
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Digital display for voltage, current, and frequency
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Low/high voltage and overload protection with auto restart
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High efficiency (>98.5%) with minimal waveform distortion
SWELECT AJB (Array Junction Box / DCDB)
Reliable String-Level Protection
The AJB combines DC power from PV strings and safeguards the system against environmental damage, short circuits, and lightning. Built with high-quality enclosures and SPDs, it ensures safe operation under harsh conditions.
Key Features
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Input fuses (Adler, Bussmann, Mersen)
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Disconnectors/circuit breakers (ABB, Telergon, LK)
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FRP or Polycarbonate enclosures (Allied, Trinity Touch)
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SPD Type 1 & 2 (Phoenix, Citel, Mersen)
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IP65/IP67 weatherproof rating
SWELECT Isolation Transformers
Safe Voltage Step-Up/Step-Down for Auxiliary Loads
Isolation transformers provide galvanic separation between the solar system and auxiliary loads, protecting equipment and personnel while enabling voltage regulation and conversion.
Key Features
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Class F/H insulation for longer life
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Powder-coated sheet metal enclosures (indoor & outdoor)
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Voltage regulation for auxiliary loads (lights, pumps, motors)
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Neutral point creation for single-phase loads
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Available in multiple kVA ratings and configurations (single/three-phase)
SWELECT SCB / SMB (String Combiner Box / String Monitoring Box)
Advanced Protection for Solar Strings
Designed for extreme peak current conditions, SCBs enable safe disconnection and reliable monitoring of solar strings. Manufactured with top-tier components, they comply with global safety standards.
Key Features
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Input fuses up to 80A 1500Vdc (Adler, Bussmann, Mersen)
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Output disconnectors up to 600A 1500Vdc (ABB)
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FRP enclosures (Allied, Trinity Touch)
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SPD Type 1 & 2 (Phoenix, Citel, Mersen)
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99.9% pure copper tin-plated busbars
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String monitoring PCB (Kernal, Italy)
Unmatched Quality Assurance
SWELECT’s Salem facility adheres to stringent quality processes and sustainability initiatives, including ISO certifications. We focus on high production standards, environmental responsibility, and continuous innovation, delivering reliable, sustainable, and future-ready solar electrical solutions.
