GYPV/4-1 DC Combiner Box
GYPV/4-1 DC Combiner Box is designed for small and medium photovoltaic systems, supporting up to 4 PV string inputs and 1 DC output for single MPPT inverters. It supports 550VDC and 1000VDC system voltage options, integrating PV fuses, surge protection device and DC isolation switch for safe and reliable DC power distribution. Built with flame-retardant PVC enclosure and IP65 protection, it provides excellent resistance to dust, water, UV and harsh outdoor environments. Suitable for residential, commercial and industrial solar PV applications.
•Safe DC Protection Design — Integrates PV fuses, surge protection device and DC isolation switch to provide overcurrent, lightning and isolation protection for photovoltaic systems.
•Flexible Voltage Options — Supports 550VDC and 1000VDC system voltage configurations, compatible with different single MPPT solar inverter applications.
•Compact PV Integration Solution — Supports 4 PV string inputs and 1 DC output, simplifying PV system wiring and improving installation efficiency.
•Durable IP65 Enclosure — Uses flame-retardant PVC engineering material with excellent resistance to dust, water, impact and UV exposure for reliable outdoor operation.
•Reliable Lightning Protection — Equipped with Class II surge protection device with 20kA nominal discharge current and 40kA maximum discharge current.
•Easy Wall-Mounted Installation — Compact design with wall-mounted structure, suitable for residential, commercial and small-scale photovoltaic projects.
•Optional Smart Monitoring Function — Supports optional monitoring module for PV current, temperature, surge protection status and system operation monitoring.
•Wide Environmental Adaptability — Operates from -25℃ to +55℃ with up to 95% relative humidity, ensuring stable performance in various environments.
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/4-1 combiner box is suitable for inverter (MAX input voltage DC550V /DC1000V, 4 PV input channel, 1 output channel, single MPPT inverter). Box body is made of PVC engineering materials, with test for fire retardant, temperature rise, anti impact, anti ultraviolet, and other testing. IP65 protection grade.
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.
Schematic Diagram
Technical Parameter
| Data | ||
| Electric parameter | ||
| System maximum dc voltage | 550 | 1000 |
| Maximum input current for each string | 15A | |
| Maximum input strings | 1 | |
| Maximum output switch current | 50A/63A | |
| 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 | 2.8kV | 3.8kV |
| Maximum continuous operating voltage Uc | 630V | 1050V |
| Poles | 2P | 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) | 410*285*140 | |
