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Non-String Monitoring Combiner Boxes
Standard combiner boxes providing DC collection, overcurrent protection, surge protection, and DC isolation — without per-string current monitoring. The foundation of any utility-scale DC collection system.
Products in This Category
Four Products. One Job: DC Collection.
Select a product below to view full technical specifications, key features, and ordering details.
String Combiner Box
The standard string combiner box for utility-scale PV installations. Combines 2–32 PV strings into a single DC output with surge protection, DC isolation, and fuse protection.
Higher Short-Circuit Combiner Box
Engineered for applications demanding higher fault current withstand — including battery energy storage (BESS) co-located with solar PV. 20 kA Icm at 1500 V DC, double the standard EPA-SCB.
String Fuse Boxes
Two compact, economical solutions for string-level overcurrent protection — with or without reverse current protection via blocking diode.
Other Categories
Looking for Something Else?
DC Boxes & Accessories
DC disconnector boxes and enclosure accessories for the final inverter/transformer transition.
String Monitoring Combiner Boxes
Wireless real-time per-string current monitoring — no wired comms infrastructure required.
Non-String Monitoring Combiner Boxes Enquiry
Get a Quote for These Products.
All Ampfusion combiner boxes are custom-engineered to project requirements. Talk to our technical team to begin your quotation.