- SunBolts TUV 1500V/UL 1500V S411 is designed for Bifacial module with thinner design to prevent part shading, split type design to save cable length and reduce power loss. Higher current rating diode with full potting can be more reliable and better product life time. S411 is certified by TUV and UL for 1000V/1500V PV field system.
Sunbolts has a complete series of junction box for both crystalline and thinfilm module. All our junction boxes are designed to fit the module production process to save the labor hour and material cost. Sunbolts junction boxes are certified by TUV and UL for 1000V~1500V application and long time outdoor use.