EnglishHigh voltage disconnect switches are essential for ensuring safe electrical isolation in power systems. Designed for both indoor and outdoor applications, they provide visible open points, enable safe maintenance, and support small current operations. Fenarro’s series covers multiple voltage levels and installation environments, helping engineers and procurement teams select the right switch for substations, industrial facilities, and renewable energy projects.
Fenarro
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The Fenarro BWG Photovoltaic Grid-Tied Cabinet acts as the critical interface and protection hub between clusters of solar inverters and the main step-up transformer. It consolidates the AC outputs from multiple inverters onto common busbars via individual circuit breakers or switch-fuse units, providing isolation and overcurrent protection for each string. The cabinet is designed with meticulous attention to detail: using tinned or silver-plated copper busbars to minimize resistance, incorporating Type I + II surge protection devices (SPD), and ensuring ample space for cable routing and future maintenance. Its robust construction ensures reliable performance throughout the system's lifetime.
String-Level Protection: Individual protection for each inverter feeder simplifies troubleshooting.
High-Quality Busbar System: Minimizes power losses and thermal hotspots.
Comprehensive Surge Protection: Two-stage SPD system guards against lightning and switching surges.
Flexible Design: Can be configured for direct circuit breaker output or as a feeder for a larger LV panel.
Clear Layout: Logical arrangement of components for easy installation, monitoring, and service.
As a sub-array combiner in large PV plants
Central protection point for commercial rooftop systems
Interface between inverters and a YB-GT substation