
GYPV/8-1 DC Combiner Box
GYPV/8-1 DC Combiner Box combines 8 photovoltaic string inputs into 1 DC output, providing a safe and efficient DC collection solution between PV arrays and solar inverters. Each input channel is equipped with a DC fuse, while the output side integrates surge protection and DC isolation switch for over-current, short-circuit and lightning protection.
Designed with IP65 outdoor protection, waterproof MC4 connectors and wall-mounted installation, the GYPV/8-1 ensures reliable operation in various environmental conditions. Optional monitoring modules support real-time monitoring of string current, temperature, voltage and protection status. It is ideal for residential, commercial and small-scale industrial solar PV systems requiring safe and simplified DC power management.
•8-String PV Input Collection — Supports up to 8 photovoltaic string inputs with 1 DC output, simplifying PV system wiring and improving installation efficiency.
•Integrated DC Protection System — Equipped with PV DC fuses, surge protection device and DC isolation switch to provide reliable over-current, short-circuit and lightning protection.
•1000V DC System Compatibility — Supports up to 1000V DC maximum system voltage and 15A input current per PV string for various solar applications.
•Outdoor IP65 Protection Design — Features IP65 protection rating, waterproof MC4 connectors and wall-mounted installation for stable outdoor operation.
•Optional Intelligent Monitoring — Supports optional monitoring module for real-time detection of PV string current, temperature, voltage and protection status.
•Compact & Flexible Installation — Compact structure with 500×400×190mm dimensions, suitable for distributed solar PV projects with limited installation space.
•Reliable Solar System Integration — Designed for safe connection between photovoltaic arrays and inverters in residential, commercial and industrial PV systems.
Features
Overview
- High reliability
With DC FUSE
With DC Surge Protection Device
With DC Circuit breaker or DC load isolation switch. - Strong adaptability
IP65 design, waterproof, anti dust and anti ultraviolet.
Strict test for high and low temperature, used widely.
The simple installation, the simplified system wiring, the convenient wiring.
The box body is made of cold rolled steel and other metal materials. - Flexible configuration
Used for single crystal silicon solar modules, polycrystalline silicon solar modules, thin film solar modules. Current
rating of the photovoltaic fuse, circuit breaker, load isolation switch is modifed.
Description
GYPV/8-1 PV combiner box bus synthetic DC input of 8 PV components to 1 output. Each channel is with a fuse. Output side is equipped with lightning protection and circuit breaker. It greatly simplify input wiring of DC power distribution cabinet and inverter.
Realize lightning protection, short circuit protection and grounding protection. PV combiner box divided into two types: intelligent box and non-intelligent box. Intelligent PV combiner box is equipped with monitoring unit, then detect input current of each string, detect inside temperature, detect lightning protection status, detect circuit breaker status and summarize output voltage and so on.
Design and configuration strictly accordance with the “Technical specification for photovoltaic junction equipment” CGC/GF 037:2014.
Provide users with a safe, brief, beautiful and applicable photovoltaic system products.
The product adopts outdoor wall mounted type, which adapt to the harsh environment. In addition to the core components, the other can be customized by user requirements.
Schematic Diagram

Technical Parameter
| Data | ||
| Electric parameter | ||
| System maximum dc voltage | 1000 | |
| Maximum input current for each string | 15A | |
| Maximum input strings | 8 | |
| Maximum output switch current | 125A | |
| Number of inverter MPPT | 1 | |
| Number of output strings | 1 | |
| Lightning protection | ||
| Category of test | II Grade protection | |
| Nominal discharge current | 20kA | |
| Maximum discharge current | 40kA | |
| Voltage protection level | 3.8kV | |
| Maximum continuous operating voltage Uc | 1050V | |
| Poles | 3P | |
| Structure characteristic | Plug-push module | |
| System | ||
| Protection grade | IP65 | |
| Output switch | DC isolation switch (standard)/DC circuit breaker(optional) | |
| MC4R waterproof connectors | Standard | |
| PV DC fuse | Standard | |
| PV surge protector | Standard | |
| Monitoring module | Optional | |
| Preventing diode | Optional | |
| Box material | PVC | |
| Installation method | Wall mounting type | |
| Operating Temperature | -25℃~+55℃ | |
| Elevation of temperature | 2km | |
| Permissible relative humidity | 0-95%, no condensation | |
| Mechanical parameter | ||
| Width x High x Depth(mm) | 500*400*190 | |





