PV DC BUD-40/3 Surge Protection Device was designed and manufactured ,complying the PV standard EN50539-11, It widely used in PV DC combiner box, inverter, controller and PV DC cabinet. Rated voltage 1000V DC, Maximum discharge current 40KA,High Energy Varistor, high effective for lightning protection.

• Suitable for use in all Photovoltaic Systems
• Prewired Modular Complete Unit, consisting of a Base Part and Plug-in Protection
• Plug-in Protection module, easy installation and maintenance
• High Energy Varistor. Response time less than 25 nanosecond
• Optimal remote signalling Contact (FM) for monitoring device (Floating Changeover Contact)
• Din Rail Mounting TH35-7.5/DIN35
• Comply with: EN50539-11

1. Datasheet – BUD-40/3

Device	Surge Protector
Type	PV | 3 Pole