1000V DC Combiner Box 3 In 1 Out Isolator type

The 1000V DC Combiner Box 3 In 1 Out Isolator type, supplied by China manufacturer Zhejiang Soutya New Energy LLC, is a 1000 V DC PV combiner housed in a fire-retardant PC enclosure with IP66 protection for long-term outdoor durability.

Inside it integrates one DC surge protective device, six DC fuse holders and one cage-type DC isolator switch, delivering surge suppression, over-current protection and safe manual isolation/leakage/earthing functions for three-string photovoltaic systems.

Technical Parameter

Wiring Diagram

Application scenarios

1.Medium-scale Commercial Rooftop Systems

Suitable for shopping malls, factory buildings, and commercial centers with three PV string configurations. The cage-type isolator provides reliable manual disconnection for maintenance, while six DC fuses ensure individual string protection.

2.Industrial Plant Solar Applications

Ideal for manufacturing facilities and industrial parks requiring three PV string inputs. The heavy-duty isolator switch handles frequent operational cycles, and the comprehensive protection system ensures equipment safety in industrial environments.

3.Agricultural Power Stations

Perfect for large-scale agricultural photovoltaic projects such as irrigation systems and farm power supply. The IP66 protection rating withstands harsh rural environments while maintaining reliable performance.

4.Utility-scale Solar Projects

Designed for small utility-scale solar farms with three-string configurations. The surge protection device prevents lightning damage, and the isolation switch enables safe maintenance operations.

5.Remote Area Power Systems

Essential for remote communication base stations and off-grid power systems. The robust construction ensures durability in extreme weather conditions, while the complete protection suite guarantees system reliability.