1in 1out PV Combiner Box DC500V

LQX-N1-1DC500VB1
1.Precision Engineering for PV Systems: Expertly designed for seamless circuit aggregation and comprehensive protection between solar panels and inverters. Features a DC500V rated voltage with highly flexible configuration options: input current (fuse) ranging from 1~30A and output current (MCB) from 16~63A, ensuring a precise match for your high-end system architecture.

2.Ultimate IP68 Industrial Protection: Crafted from a seamless one-piece PC enclosure, this unit provides industry-leading IP68 waterproof and dustproof integrity. Beyond standard protection, it offers superior resistance to UV radiation, extreme temperature fluctuations, and mechanical impacts, guaranteeing long-term reliability in the most punishing outdoor conditions.

3.High-Performance Integrated Safety Suite: Comes fully equipped with top-tier fuses, T2 surge protection devices (SPD), and high-capacity circuit breakers. This advanced configuration provides robust defense against short circuits, overloads, and high-voltage lightning strikes. Optional upgrades include intelligent monitoring, advanced heat dissipation, and anti-reverse modules for mission-critical operations.

4.Built for Extreme Application Environments: Optimized for high-stakes solar projects that demand absolute endurance, including offshore marine platforms, coastal installations, large-scale utility solar farms, and desert-based photovoltaic projects where environmental hazards are most severe.

5.Globally Certified Quality & Bespoke Engineering: Fully compliant with IEC standards and certified with CE, RoHS, IP68 and ISO. As your direct manufacturing partner, CNLONQ offers a one-stop customized PV protection solution, providing complimentary professional design planning, technical consultation, and high-fidelity 3D visualization services to perfectly align with your engineering specifications
Free DC/AC Design Solution
Product Description & Video
Parameters
Product Parameters
Technical data
Product Name PV Combiner Box
Model LQX-N1/1DC500VB1
Type MCB and SPD and Fuse with IP65 Junction Box
String 1String 1input 1output
Rated Voltage Ue DC500V
Maximum input current per string (Fuse) 10A, 15A, 20A, 25A, 30A optional
Maximum output current per string (MCB) 32A, 40A, 50A, 63A optional
In (8/20)us (SPD) 20kA
Imax (8/20)us (SPD) 40kA
Protection Level Up (SPD) 2.2kV
Impulse Withstand Voltage Uimp  (MCB) 4kV
Breaking Capacity Icu (MCB) 6kA
Quality Certificate CE, ISO, IP68, RoHS, IEC
Standard IEC 60947-2, IEC 61643-31, IEC 60269-6, IEC 60529
Protection Level IP65
Impact Level IK10
Materiał PC and ABS(Box), PA(MCB), PBT(SPD, Fuse)
Operating Temperature -25℃ ~ 60℃
Humidity ≤95%
Connector MC4 or PG
Installation Wall Mounting
Altitude 2000m
Warranty 18 months
Size and Weight
Product Size L*W*H (without connector) (mm) 225*220*120
Product Weight (kg) 1.3
Inner box package Size (mm) 260*220*115
Inner box package Weight (kg) 1.5
Outer Case Packaging Details (Pcs) 12
Outer Case size (mm)  
Outer Case Weight (kg)  

Features

IP65 Waterproof
IP65 Waterproof
Passed IP65 protection testing. Housing made of PC+ABS material, UV-resistant, long service life
Internally pre-wired for plug-and-play operation
Internally pre-wired for plug-and-play operation
Free wiring upon request (MC4 connectors can be pre-wired) at the factory, saving labor costs
Protecting Circuit Safety
Protecting Circuit Safety
Circuit isolation, short-circuit protection, overload protection, and surge protection. Extend the lifespan of photovoltaic systems and enhance safety
UL94V-0 Flame Retardant
UL94V-0 Flame Retardant
Self-extinguishing when removed from flame, effectively preventing fires and safeguarding property.
Stable Operation
Stable Operation
-25°C to +60°C, heat and cold resistant, long service life
DIY Connector
DIY Connector
Optional MC4 or PG connectors for customization
Free Customized Solutions OEM/ODM
Free Customized Solutions OEM/ODM
We design exclusive PV solutions tailored to your needs at no cost.

Why do you need a CNLONQ PV Combiner Box for your PV system?

CNLONQ PV combiner boxes serve as the core hub and critical safety barrier of photovoltaic systems. They simplify wiring through busbar integration to reduce costs, while employing multi-string circuit parallel protection to prevent fault propagation and ensure safety. Equipped with overload, short-circuit, lightning, and surge protection devices to safeguard circuits, they utilize disconnect switches to ensure operational safety during maintenance. Intelligent monitoring functions further enhance maintenance efficiency. For PV systems employing multi-string arrays, the PV combiner box is virtually indispensable.

Contact us to receive:

●Free design of DC/AC system, packaging and labeling,OEM/ODM  ●Reporting and tracking of the whole process before, during and after sales  ●Free training for staff and installers ●Free design of promotional materials and videos  ●Copyright, certificate and patent sharing  ●Trade show resource support  ●For more customized services please contact

Free Customized Solution Process

CNLONQ is China's leading manufacturer of PV combiner box,  with 35% of combiner box chinese trader sourcing custom orders from us

Certifications
ISO 9001
ISO 9001
SPD CE
SPD CE
SPD GTS
SPD GTS
MCB CE
MCB CE
MCB GTS
MCB GTS
Fuse CE
Fuse CE
Fuse GTS
Fuse GTS
Provide a complete PV off-grid and grid-connected protection system

Related Case
HomeProductsLQX-NDC500V1in 1out PV Combiner Box DC500V
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