At ZHNYU ELECTRIC, we have been dedicated to the production of low-voltage electrical equipment since 1992, and our PV Array DC Isolator Switch stands as a testament to our manufacturing excellence. With amassed expertise from over 34 years and 100+ production equipment units, we have refined our processes to ensure each switch meets the highest international standards. Our factory, spanning 10,000 square meters, employs advanced injection molding and precision stamping techniques, allowing for tolerance control within ±0.05mm. The production line incorporates automated testing stations that conduct 100% inspection of insulation resistance and dielectric strength, ensuring that every unit leaving the facility is flawless.