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DIN-Rail Box
C-LIGHT DIN-Rail Fiber Optic Splice Box is a modular mounting solution designed for industrial environments, used to secure and protect electrical components such as PLCs, power modules, and relays. Key features include a compact DIN rail-compatible structure (compliant with IEC/EN 60715 standards), high protection ratings (e.g., IP20/IP40 dust/water resistance), impact-resistant materials (metal or engineering plastics), and vibration-resistant design to ensure reliability in harsh conditions. It supports quick snap-on installation and flexible expansion, ideal for factory automation, energy distribution, building control, and transportation systems. Some models integrate ventilation slots or redundant power interfaces to address thermal management and power supply needs. Certified with CE and UL, typical products comply with industrial EMC and fire safety standards, balancing safety with space efficiency.
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  • Product Details

    DIN-Rail Fiber Optic Splice Box for Compact and Secure Fiber Management

    DIN-Rail Fiber Optic Splice Box

    ModelCL-FSB-6 seriesCL-FSB-8 seriesCL-FSB-12 series

    Product Image

    SPECCold-roll steel, electrostatic painting;
    Suitable for different adapters: FC, SC, ST, LC;
    2pcs cable entry/exit ports; 12pcs pigtail entry/exit ports;
    Splicing module of 12 fibers inside;
    Max. 12pcs adapters can be loaded.
    Cold-roll steel, electrostatic painting;
    Suitable for different adapters: FC, SC, ST, LC;
    2pcs cable entry/exit ports; 12pcs pigtail entry/exit ports;
    Splicing module of 8 fibers inside;
    Max. 8pcs adapters can be loaded.
    Up to 12 ports (SC-Duplex, ST-Duplex FC-Duplex or LC-Quad adapters);
    IP20 protection;
    2x rear entries (PG 16 cable gland);
    Grey color (RAL 7035);
     -40°C to 80°C;
    Al (Aluminum) material.

    The C-LIGHT DIN-Rail Fiber Optic Splice Box is a compact fiber management enclosure designed for fiber splicing, adapter installation, and organized fiber termination in industrial and equipment cabinet environments. The product family includes CL-FSB-6, CL-FSB-8, and CL-FSB-12 series, supporting different fiber splice and adapter capacities. Available features include cold-rolled steel or aluminum construction, FC/SC/ST/LC adapter compatibility, cable and pigtail entry ports, IP20 protection on the CL-FSB-12 series, and an operating temperature range of -40°C to 80°C for the aluminum configuration.

    Key Features

    DIN-Rail Fiber Splice Design

    The splice box is designed for DIN-rail installation, providing an organized enclosure for fiber splicing and termination in control cabinets and industrial network systems.

    Multiple Fiber Capacity Options

    The CL-FSB series provides different internal splice and adapter capacities, including 8-fiber and 12-fiber configurations.

    FC, SC, ST and LC Compatibility

    The CL-FSB-6 and CL-FSB-8 series support FC, SC, ST, and LC adapters for flexible fiber termination and connection management.

    Dedicated Cable Entry and Pigtail Ports

    The CL-FSB-6 and CL-FSB-8 series provide two cable entry/exit ports and twelve pigtail entry/exit ports for organized fiber routing.

    Compact Industrial Construction

    Cold-rolled steel with electrostatic painting and aluminum construction options provide durable enclosures for different installation requirements.

    Wide Temperature Capability

    The aluminum CL-FSB-12 configuration supports an operating temperature range from -40°C to 80°C for demanding industrial environments.

    Product Specifications

    Product Series

    CL-FSB-6, CL-FSB-8, and CL-FSB-12

    CL-FSB-6 Construction

    Cold-rolled steel with electrostatic painting

    CL-FSB-8 Construction

    Cold-rolled steel with electrostatic painting

    CL-FSB-12 Construction

    Aluminum

    CL-FSB-6 Splice Capacity

    12-fiber internal splicing module

    CL-FSB-8 Splice Capacity

    8-fiber internal splicing module

    CL-FSB-6 Adapter Capacity

    Up to 12 adapters

    CL-FSB-8 Adapter Capacity

    Up to 8 adapters

    CL-FSB-12 Adapter Options

    Up to 12 ports using SC-Duplex, ST-Duplex, FC-Duplex, or LC-Quad adapters

    CL-FSB-6 / CL-FSB-8 Ports

    2 cable entry/exit ports and 12 pigtail entry/exit ports

    CL-FSB-12 Protection

    IP20

    CL-FSB-12 Cable Entry

    2 rear entries with PG16 cable glands

    CL-FSB-12 Color

    Grey, RAL 7035

    CL-FSB-12 Operating Temperature

    -40°C to 80°C

    Model Options

    CL-FSB-6 Series

    The CL-FSB-6 series uses cold-rolled steel with electrostatic painting, supports FC, SC, ST, and LC adapters, provides two cable entry/exit ports and twelve pigtail entry/exit ports, and incorporates a 12-fiber internal splicing module with capacity for up to twelve adapters.

    CL-FSB-8 Series

    The CL-FSB-8 series uses cold-rolled steel with electrostatic painting and supports FC, SC, ST, and LC adapters. It provides two cable entry/exit ports, twelve pigtail entry/exit ports, an 8-fiber internal splicing module, and capacity for up to eight adapters.

    CL-FSB-12 Series

    The CL-FSB-12 series uses an aluminum housing and supports up to twelve ports with SC-Duplex, ST-Duplex, FC-Duplex, or LC-Quad adapter configurations.

    CL-FSB-12 Industrial Configuration

    The CL-FSB-12 provides IP20 protection, two rear PG16 cable-gland entries, RAL 7035 grey finish, and -40°C to 80°C operating temperature.

    Fiber Splicing and Termination

    Internal Fiber Splicing

    The splice box provides an enclosed space for organizing and protecting fiber splicing points within a structured DIN-rail installation.

    Adapter Integration

    Compatible adapter configurations allow terminated fibers to be connected through commonly used FC, SC, ST, and LC interfaces.

    Cable Entry Management

    Dedicated cable entry and exit ports provide a structured path for incoming and outgoing fiber cables.

    Pigtail Routing

    Dedicated pigtail entry and exit ports help organize fiber pigtails and maintain a controlled internal fiber layout.

    Compact Fiber Organization

    The enclosed structure keeps splice and termination components organized within a compact equipment-cabinet footprint.

    Modular Capacity Selection

    Different CL-FSB series capacities allow the enclosure to be selected according to splice count and adapter requirements.

    DIN-Rail Installation

    Industrial Cabinet Integration

    The DIN-rail format allows the splice box to be installed alongside compatible industrial network and control equipment inside cabinets.

    Space-Efficient Fiber Management

    DIN-rail mounting helps organize fiber termination equipment efficiently in installations where cabinet space is limited.

    Structured Fiber Layout

    The dedicated enclosure provides a fixed location for fiber splicing, adapter mounting, cable entry, and pigtail routing.

    Quick Installation

    The DIN-rail mounting architecture supports straightforward installation and removal during network deployment and maintenance.

    Protection and Construction

    Cold-Rolled Steel Housing

    The CL-FSB-6 and CL-FSB-8 series use cold-rolled steel with electrostatic painting for a durable fiber management enclosure.

    Aluminum Housing

    The CL-FSB-12 series uses aluminum construction for a lightweight and durable DIN-rail fiber enclosure.

    IP20 Protection

    The CL-FSB-12 series provides IP20 protection for indoor cabinet and controlled equipment-room applications.

    PG16 Cable Glands

    Two rear PG16 cable-gland entries are provided on the CL-FSB-12 series for organized cable entry.

    Wide Temperature Range

    The CL-FSB-12 aluminum configuration supports operation from -40°C to 80°C.

    RAL 7035 Finish

    The CL-FSB-12 series uses a grey RAL 7035 finish for a standardized industrial equipment appearance.

    Applications

    Factory Automation

    Provides organized fiber splicing and termination for industrial communication networks deployed in automation and control cabinets.

    Energy Distribution

    The compact DIN-rail fiber enclosure supports optical fiber management in electrical and energy distribution equipment.

    Building Control

    Provides a structured fiber termination point for building automation and communication systems installed inside equipment cabinets.

    Transportation Systems

    The DIN-rail format supports fiber splicing and connection management for transportation control and communication equipment.

    Industrial Fiber Networks

    Provides a compact enclosure for organizing fiber splices, adapters, cables, and pigtails within distributed industrial networks.

    Equipment Cabinets

    Supports centralized fiber termination and splicing inside network cabinets, control panels, and other structured equipment enclosures.

    Why Choose the DIN-Rail Fiber Optic Splice Box

    The C-LIGHT DIN-Rail Fiber Optic Splice Box provides a compact and organized platform for fiber splicing and termination in industrial equipment environments. With CL-FSB-6, CL-FSB-8, and CL-FSB-12 options, FC/SC/ST/LC adapter compatibility on selected series, dedicated cable and pigtail routing, and an aluminum configuration rated from -40°C to 80°C, the product family can be matched to different fiber capacity and cabinet installation requirements.

    FAQ

    Q1. What is a DIN-Rail Fiber Optic Splice Box?

    It is a compact fiber management enclosure designed for fiber splicing, adapter installation, cable routing, and fiber termination in DIN-rail equipment installations.

    Q2. What models are available?

    The product family includes CL-FSB-6, CL-FSB-8, and CL-FSB-12 series.

    Q3. What adapters are supported?

    The CL-FSB-6 and CL-FSB-8 series support FC, SC, ST, and LC adapters. The CL-FSB-12 supports SC-Duplex, ST-Duplex, FC-Duplex, and LC-Quad adapter configurations.

    Q4. How many fibers can be spliced?

    The CL-FSB-6 series includes a 12-fiber internal splicing module, while the CL-FSB-8 series includes an 8-fiber internal splicing module.

    Q5. What is the operating temperature of the CL-FSB-12?

    The CL-FSB-12 aluminum configuration supports an operating temperature range from -40°C to 80°C.

    DIN-Rail Fiber Optic Splice Box

    Designed for compact industrial fiber management, the C-LIGHT DIN-Rail Fiber Optic Splice Box provides CL-FSB-6, CL-FSB-8, and CL-FSB-12 configurations with fiber splicing, adapter mounting, organized cable entry, DIN-rail installation, and an aluminum option supporting -40°C to 80°C operation.

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    ●100% of products pass initial test, final test and factory inspection.

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    Please contact us to download the certification certificate.

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    Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.




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