Product Overview
The Inverter Combiner Box is designed for photovoltaic power systems to combine multiple DC input strings into a single output connected to the inverter.
It integrates DC protection, surge protection, and circuit isolation in one enclosure to simplify field wiring, improve system safety, and support stable operation in outdoor photovoltaic environments.
Specifications
|
Model(inverter combiner box) |
A |
B |
|
Maximum open circuit voltage(VDC) |
500 |
1000 |
|
Number of photovoltaic array input channels (N) |
2~16 channels (Customizable) |
|
|
Rated current of single array(A) |
20 |
|
|
DC output circuit breaker |
Integrated (Yes) |
|
|
Photovoltaic lightning protection |
Type II DC SPD (Yes) |
|
|
Chassis size (D*W*H) mm |
400 × 300 × 155 mm/620 × 420 × 175 mm |
|
|
Reference weight (kg) |
15~25 |
|
|
Protection level |
IP65 |
|
|
Operating altitude(m) |
5000 m (Derating applies above 2000 m) |
|
|
Working temperature(℃) |
-25~65 |
|
|
Installation Method |
Wall-mounted |
|
|
Enclosure Material |
Cold-rolled steel / Stainless steel optional |
|
|
Cable Entry Type |
Cable gland / MC4 optional |
|
Core Features
Supports 2–16 PV string inputs with customizable configuration for different photovoltaic system layouts.
Integrated DC circuit breakers and Type II surge protection reduce external protection component requirements.
IP65 enclosure supports long-term outdoor installation in humid, dusty, and rainy environments.
Pre-wired internal layout simplifies onsite installation and maintenance access.
Wall-mounted structure suitable for residential, commercial, and small industrial photovoltaic projects.
Compatible with on-grid, off-grid, and energy storage photovoltaic systems.
Protection & Safety
Built-in protection functions include:
DC overcurrent protection
Photovoltaic surge protection
Short-circuit isolation
Grounding protection
Reverse current prevention
Internal electrical layout is designed to reduce thermal accumulation and improve operational stability under continuous load conditions.
Customization Services
Direct factory OEM/ODM options to meet specific project or brand requirements:
Electrical: Tailored inputs (2–16 channels), customized fuse/breaker ratings, and designated component brands.
Enclosure: Choice of PC plastic, cold-rolled steel, or stainless steel with custom sizing and cable gland layouts.
Branding: Private-label logo printing, custom packaging, and localized wiring schematics.
Application Notes
Suitable for:
Photovoltaic DC systems up to 1000V
Residential and commercial solar installations
Outdoor photovoltaic environments
Factory & Supply Security
Quality Testing: Each unit undergoes electrical continuity inspection, insulation resistance testing, and wiring verification before shipment.
Component Traceability: Critical components such as breakers, fuses, and surge protection devices are sourced from established industrial electrical suppliers. Designed service life is up to 15 years under standard operating conditions.
Direct Factory Supply: Flexible OEM/ODM capacity with optimized lead times for container-level bulk wholesale and custom EPC project orders.
FAQ
Hot Tags: inverter combiner box, China inverter combiner box manufacturers, suppliers, factory
|
Model(inverter combiner box) |
A |
B |
|
Maximum open circuit voltage(VDC) |
500 |
1000 |
|
Number of photovoltaic array input channels (N) |
2~16 channels (Customizable) |
|
|
Rated current of single array(A) |
20 |
|
|
DC output circuit breaker |
YES |
|
|
Photovoltaic lightning protection |
YES |
|
|
Chassis size (D*W*H) mm |
155*400*300/175*620*420 |
|
|
Reference weight (kg) |
15~25 |
|
|
Protection level |
IP65 |
|
|
Operating altitude(m) |
5000 (Reduce capacity for use above2000 meters) |
|
|
Working temperature(℃) |
-25~65 |
|
Note: The above data is for reference only and is subject to change without prior notice.
