DC Fuse Holder 1500 V DC 1–50 A LQR8-50

LQR8-50

1.Reliable PV Overload & Short-Circuit Protection: Engineered specifically for photovoltaic systems, this DC fuse holder provides essential overload and short-circuit protection for solar strings and inverters

2.High Voltage & Breaking Capacity: Rated for DC 1500V with a rated current up to 1~50A (supporting 10*85/14*85mm fuse links) and a high breaking capacity of 50kA, ensuring secure interruption under fault conditions

3.Durable PA66 Fireproof Housing: Constructed with high-grade PA66 material featuring a UL94 V-0 flame-retardant rating, delivering superior thermal resistance, structural strength, and safety

4.Flexible Configurations & Easy DIN-Rail Mounting: Available in 1P and 2P options (with optional indicator light on LQR8-50X models) options and designed for standard 35mm DIN-rail installation, ensuring quick and secure integration into combiner boxes.

5.Globally Certified Quality & Bespoke Engineering: Fully compliant with IEC 60269-6 standards and certified with CE and ISO. As your direct manufacturing partner, CNLONQ delivers a one-stop customized protection solution—providing complimentary professional design planning, technical consultation, and high-fidelity 3D visualization services tailored to your exact specifications

Free DC/AC Design Solution

Product Description & Video

Parameters

Product Parameters

Technical Data
Model	LQR8-50/LQR8-50X
work Indicator Light	No/Yes
Suitable Fuse Size	10x85/14x85mm
Rated Voltage Ue	DC1500V
Rated current In	1A, 2A, 3A, 4A, 5A, 6A, 8A, 10A, 12A, 15A, 16A, 20A, 25A, 30A, 32A,35A,40A,45A,50A
Breaking Capacity Icu	50kA
Pole	1P/2P
Standard	IEC60269-6
Quality Certificate	TUV, CE,ISO9001,ROHS,IEC
Material	PA
Levels of Protection	IP20
Flame Retardant Rating	UL94V-0
Operating Temperature	-30℃ to 70℃
Humidity	≤95%
Altitude	2000m
Installation Class/Type	35mm DIN Rail
Product Size LWH	2012054mm

Features

Internal Protection Structure

Precision design for efficient current interruption

PA Housing

High-impact resistant housing for structural durability

PV System Application

Reliable overcurrent protection for solar strings

UL94V-0 Flame Retardant

Self-extinguishing material preventing fire hazards

Wide Temperature Range

Stable operation from -30°C to +70°C

Modular & Indicator Design

Easy DIN-rail installation with optional status indicators

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 LQX-N IP68 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

●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