TBB PVB250-5 Combiner Box 250VDC 5 Strings with Protections

Product description

The TBB PVB250-5 250VDC 5 Strings Combiner Box with Protections is an advanced protection unit for solar systems up to 250 VDC. Designed to support 5 independent strings, it incorporates 15 A fuses per input, a general 100 A breaker, and SPD protection against overvoltages. Thanks to its IP54 enclosure and included MC4 connectors, it offers quick, safe, and durable installation in any environment.

Main features

• Supports up to 5 strings (max VOC 250 VDC)
• 15 A fuses per string
• 100 A breaker switch (Un: 280 VDC)
• SPD: Imax 40 kA, Up ≤ 1.4 kV
• MC4 connectors for input/output included
• IP54 design, wall-mounted and with passive cooling

Advantages or benefits

• Comprehensive protection for 250 VDC systems with 5 PV strings
• Facilitates maintenance and quick disconnection via breaker
• Minimizes electrical risks with fuses and surge protection
• Easy installation with pre-installed MC4 connectors

Purpose or applications

This box is designed for off-grid solar installations with 5 strings that require safe control before reaching the MPPT controller or inverter. Compatible with high-voltage controllers such as the SP250-100, it is ideal for residential, agricultural, or commercial installations.

Technical specifications

Compatibilities

This product is compatible with: TBB SP250-100, Riio Sun II 2 kVA 48 V, Riio Sun II 3 kVA, Riio Sun II 5 kVA, Riio Sun II 8 kVA.

TBB PVB250-5 250VDC Combiner Box is a professional solution for controlling and protecting photovoltaic installations with multiple strings, maximizing system efficiency and safety.