HomeProductsLQTDC1000V14in 1out Metal PV Combiner Box DC1000V

14in 1out Metal PV Combiner Box DC1000V

LQT14-1DC1000VM3
1.Optimized System Integration & Wiring: Positioned seamlessly between photovoltaic panels and the inverter, this 14-string input 1-string output combiner box streamlines cabling, reduces failure points, and ensures secure intermediate protection for your DC solar system

2.Rugged Cold-Rolled Steel Enclosure: Constructed with heavy-duty cold-rolled steel featuring a UV-resistant powder coating, this enclosure delivers an IP65 protection rating and IK10 impact resistance, offering superior anti-corrosion, acid, and alkali resistance for harsh outdoor environments.

3.Robust Multi-Layer Circuit Protection: Equipped with high-performance DC MCCBs, high-rupturing-capacity fuses, type-2 SPDs, and efficient heat dissipation modules, it provides dependable backflow prevention and robust defense against short circuits, overloads, and lightning surges.

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 TUV, CB, UKCA, CE, RoHS, IP65 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 LQT14/1DC1000VM3 LQT14/1DC1500VM3
Type MCCB and SPD and Fuse and Backflow Prevention with IP65 Junction Box
String 14Strings 14input 1output
Rated Voltage Ue DC1000V DC1500V
Maximum input current per string (Fuse) 10A, 15A, 20A, 25A, 30A optional
Maximum output current per string (MCCB) 63~800 63~800
In (8/20)us (SPD) 20kA
Imax (8/20)us (SPD) 40kA
Protection Level Up (SPD) 3.6kV
Impulse Withstand Voltage Uimp  (MCCB) 8kV 8kV
Breaking Capacity Icu (MCCB) 20kA 20kA
Quality Certificate CE, ISO, IP65, RoHS, IEC
Standard IEC 60947-2, IEC 61643-31, IEC 60269-6, IEC 60529
Protection Level IP65
Impact Level IK10
Materiał Cold-rolled steel or 304 or 316(Box), Resin(MCCB), 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) 650*510*180
Product Weight (kg) 19
Outer Case Packaging Details (Pcs) 1
Outer Case size (mm) 730*550*220
Outer Case Weight (kg) 20

pv combiner box 14in 1out sizepv combiner box 14in 1out wiring

Features

IP65 Waterproof
IP65 Waterproof
Passed IP65 protection testing. Housing made of PC 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, surge protection, and backflow prevention. Extends the service life of photovoltaic systems and enhances safety
IK10 and UL94V-0 Flame Retardant
IK10 and UL94V-0 Flame Retardant
The casing is non-flammable, and the internal components are made of flame-retardant materials, making it impact-resistant and fire-resistant
Heavy-Duty Copper Busbar
Heavy-Duty Copper Busbar
Better electrical conductivity, less power loss, and less heat generation
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 LQT IP65 PV combiner box 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
Isolator CE
Isolator CE
Isolator GTS
Isolator GTS
SPD CB
SPD CB
MCCB CE
MCCB CE
MCCB GTS
MCCB GTS
Fuse CE
Fuse CE
Fuse GTS
Fuse GTS
LQT CE
LQT CE
LQT GTS
LQT GTS
MC4 CE
MC4 CE
RoHS
RoHS
IP65
IP65
Provide a complete PV off-grid and grid-connected protection system

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HomeProductsLQTDC1000V14in 1out Metal PV Combiner Box DC1000V
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