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DC Fuse Distribution Modules
Reliable Circuit Protection and Power Distribution

DC Fuse Distribution Modules provide safe and efficient DC power branching with built-in fuse protection.
Disponible en 4, 6, and 8 channelsy two connection types — screw or spring clamp, these modules simplify wiring and ensure circuit reliability in industrial, solar, and vehicle systems.

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DC fuse distribution modules 4 6 8 channel
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What Is a DC Fuse Module?

A DC Fuse Distribution Module is a compact device designed to split and protect DC power circuits within control panels or electrical systems.Each channel integrates a fuse holder and LED indicator, allowing quick identification of circuit faults without affecting other lines.When overload or short-circuit occurs, the fuse automatically disconnects that channel, ensuring the rest of the system continues to operate safely.
These modules combine power distribution, overcurrent protection, and clear visual monitoring in one compact DIN-rail unit.They are widely used in industrial automation, solar energy systems, battery cabinets, and vehicle DC applications, helping engineers simplify wiring and enhance electrical safety.

Screw vs Spring Terminals

AOSI offers two connection types for its DC Fuse Distribution Modules — terminales de tornillo y terminales de resorte — each suited to different wiring preferences and application needs.

Screw-Type Fuse Modules

Screw terminal fuse modules provide strong mechanical fastening for high-vibration environments. This design is preferred in industrial control panels, vehicle systems, or anywhere wiring is subject to movement or thermal expansion.

Firm mechanical connection, resistant to vibration

Suitable for thicker wires or ring terminals

Ideal for fixed cabinet installations

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Spring-Type Fuse Modules

Spring terminal fuse modules use a push-in or press-fit design, allowing tool-free and faster wiring. This type is popular in modern automation panels where quick maintenance and high wiring density are important.

Quick, tool-free wiring

Consistent clamping force, even under vibration

Easier re-wiring and maintenance on site

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DC Switch Distribution Module Spring-Type

In short, terminales de tornillo prioritize mechanical strength, while terminales de resorte emphasize speed and flexibility.
Both types are DIN-rail mountable, rated up to 72 V DC and 15 A per channel, and fully compatible with standard automotive-type blade fuses.

Product Selection Guide

AOSI DC Fuse Distribution Modules are available in screw-type and spring-type versions, with 4, 6, or 8 channels to meet different DC system requirements.
All models feature standard automotive blade fuses, LED indicators for each circuit, and Montaje en carril DIN for easy installation.
Use the guide below to find the model that best fits your project’s current, voltage, and wiring needs.

Screw-Type Fuse Modules

Modelo Canales Corriente nominal Tensión nominal Wire Range (Input) Wire Range (Output)
FM03-04D 4 15 A 72 V DC 0.5–4 mm² 0.5–2.5 mm²
FM03-06D 6 15 A 72 V DC 0.5–4 mm² 0.5–2.5 mm²
FM03-08D 8 15 A 72 V DC 0.5–4 mm² 0.5–2.5 mm²

Spring-Type Fuse Modules

Modelo Canales Corriente nominal Tensión nominal Wire Range (Input) Wire Range (Output)
HM03-04D 4 15 A 72 V DC 0.5–6 mm² 0.5–2.5 mm²
HM03-06D 6 15 A 72 V DC 0.5–6 mm² 0.5–2.5 mm²
HM03-08D 8 15 A 72 V DC 0.5–6 mm² 0.5–2.5 mm²

Highlights:

✅ 1LED indicator on each channel for quick fault location
✅ RStandard blade fuses, easy to replace
✅ ERated up to 72 V DC / 15 A per channel
✅ SDIN-rail mounting and compact enclosure
✅ PAvailable in both screw and spring connection types

Technical Data Overview

Every AOSI DC Fuse Distribution Module is built to meet industrial-grade electrical standards. From compact 4-channel modules to 8-channel high-density types, all models share the same stable electrical performance, durable housing, and universal fuse compatibility. Below is the key technical data for quick reference.

Modelo Tipo Canales Dimensions (L×W×H mm) Housing Color
FM06-02D Terminal de tornillo 2 90×59×42 Negro
FM06-03D Terminal de tornillo 3 105×59×42 Negro
FM06-04D Terminal de tornillo 4 121×59×42 Negro
FM06-06D Terminal de tornillo 6 153×59×42 Negro
FM06-08D Terminal de tornillo 8 188×59×42 Negro
FM06-12D Terminal de tornillo 12 259×59×42 Negro
FM06-16D Terminal de tornillo 16 295×59×42 Negro
HM06-02D Spring clamp 2 90×59×42 Black / Orange
HM06-03D Spring clamp 3 105×59×42 Black / Orange
HM06-04D Spring clamp 4 121×59×42 Black / Orange
HM06-06D Spring clamp 6 153×59×42 Black / Orange
HM06-08D Spring clamp 8 188×59×42 Black / Orange
HM06-12D Spring clamp 12 259×59×42 Black / Orange
HM06-16D Spring clamp 16 295×59×42 Black / Orange

All models share the same electrical rating (72V / 20A) and support wide wire range (0.5–6 mm² / 22–12 AWG). Differences mainly lie in channel count, dimensions, and connection type (screw or spring).

Reliable DC Fuse Distribution Modules Built for Industrial Safety

En Terminales AOSI, we understand that every DC control system demands precise circuit protection.With over 15 years of manufacturing experience, we provide a full range of DC fuse distribution modules — from compact 4-channel units to high-density 8-channel blocks, available in both screw and spring connection types.Every model is designed to deliver stable current flow, quick fault indication, and long-term reliability in automation and energy systems.

  • Independent Fuse Protection: each channel has its own replaceable fuse and LED indicator
  • High-Performance Design: rated 72 V DC / 15 A per channel, stable even under heavy load
  • Two Connection Options: screw terminals for firm contact, spring clamp for tool-free wiring
  • DIN-Rail Mount, Compact Housing: saves cabinet space, simplifies installation
  • Durabilidad industrial: UL-approved PA66 body, vibration and heat-resistant
Get Terminal Module Cataloge
DC Fuse Distribution Modules Cataloge

Typical Applications

AOSI DC Fuse Distribution Modules are widely used across various DC power systems that require safe circuit protection y cableado organizado.
Their compact structure, LED indication, and replaceable fuse design make them ideal for industrial and energy applications where uptime and reliability are critical.

Paneles de control industrial

Paneles de control industrial

In factory automation and machinery control cabinets, DC fuse modules provide reliable power splitting for PLCs, relays, and sensors.They simplify wiring and prevent total system shutdown when a fault occurs.

Solar Power Systems

Solar Power Systems

Used in solar combiner boxes or PV control units to protect individual strings and ensure stable output distribution.Each channel can be independently fused to isolate faults quickly.

Battery & Energy Storage Cabinets

Battery & Energy Storage Cabinets

In battery management and backup power systems, these modules handle DC output circuits safely and neatly.They enable maintenance-friendly layouts and protect valuable energy storage equipment.

Vehicle & Marine DC System

Vehicle & Marine DC Systems

Perfect for 12V / 24V on-board power distribution — including electric vehicles, boats, and mobile equipment —ensuring safety and easy access to each protected circuit.

How to Wire the Modules

Wiring a DC Fuse Distribution Module is simple and straightforward.
Each module includes one DC input terminal and multiple fused output channels that safely distribute power to different loads.
Step1. Connect the Power Input
Use the proper wire gauge (0.5–6 mm²) according to your current requirement.
Connect the positive (+) line from the DC power supply to the input terminal marked “IN” o “+”.
If available, connect the negative (–) line to the shared ground bus.
Ensure firm contact — tighten the screw or push in the wire depending on the terminal type.

dc fuse module wiring structure

Step2. Connect the Load Outputs
Each output channel corresponds to one fuse.
Connect each load device (such as PLC, relay, indicator light, or sensor) to an individual output terminal marked OUT1 / OUT2 / OUT3, etc.
This structure ensures that if one circuit fails, the others continue running safely.
📊 Wiring Diagram Example: The spring clamp will expand automatically once the screwdriver is pressed in.

dc fuse module wiring diagram

Step3. Verify Fuse Ratings
Install standard automotive-type blade fuses (ATO/ATC) matching your circuit load.
Example: for a 10A circuit, use a 12A–15A fuse.
Always select fuses rated below your cable’s maximum current capacity.

Step4. Check LED Indicators
After power-up, the LEDs should remain off during normal operation.
If a fuse blows, the corresponding LED turns red, allowing quick fault localization.

How to Choose the Best Manufacturer

Al seleccionar un DC Fuse Distribution Module manufacturer, the right choice determines whether your project runs smoothly or faces long-term reliability issues.
Beyond just price, the key is to find a partner who understands engineering standards, product consistency, and after-sales support.

¿Por qué elegir AOSI Electronics como socio?

Certificado por UL CE RoHS
Certificado por UL/CE/RoHS

En AOSI Electronics, todos nuestros bloques de terminales y conectores se someten a pruebas rigurosas y están totalmente certificados:

✅ UL, CE, RoHSy REACH compatible

✅ 100% inspección de calidad antes del envío

✅ Cumplimiento estricto de ISO 9001:2015 normas de gestión de la calidad

✅ Diseños ignífugos, resistentes a altas temperaturas y a prueba de vibraciones para entornos industriales.

🔒 Una conexión fiable comienza con componentes certificados. No hacemos concesiones en materia de seguridad y conformidad.

Sólida capacidad de fabricación(1)
Capacidad de fabricación

Como fábrica directa con más de 15 años de experiencia en la producción de bloques de terminales, AOSI proporciona:

🔧 Cambio 30 máquinas de moldeo por inyección

🧰 En la empresa diseño de herramientas y moldes capacidades

👷 Más de 50 trabajadores cualificados y 8 líneas de producción

🚚 Rendimiento mensual superior a 5 millones de piezas

Desde la creación de prototipos hasta la entrega a granel, ofrecemos plazos de entrega estables, MOQ flexibley una calidad constante de los productos.

Capacidad OEM y alcance mundial
Capacidad OEM/ODM

Tanto si es usted distribuidor, integrador de sistemas u OEM, AOSI está preparada para ayudarle en su crecimiento:

🌐 Exportar a Más de 40 países en Europa, Asia y América

🧩 Opciones personalizables: número de clavijas, logotipo, color, material de la carcasa, embalaje

🤖 Soporte de ingeniería para paso especial, diseño de bloques modulares y aplicaciones de alta corriente.

📦 Hablamos su idioma: comunicación rápida, planos, muestras y apoyo logístico global.

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Get Reliable DC Fuse Distribution Modules for Your Next Project

Looking for dependable and CE-compliant DC fuse modules for your industrial or solar applications? AOSI Electrónica provides 4- to 8-channel fuse distribution blocks with LED indicators, fast delivery, and OEM customization options.
Contact us today to request muestras gratuitas or a tailored quotation for your project.

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FAQs About DC Fuse Distribution Modules

A DC fuse distribution module safely divides one DC power input into multiple fused outputs. Each channel has an independent fuse and LED indicator, ensuring quick fault detection without shutting down the entire system.

Each fuse channel includes an LED that lights up when the fuse is blown. This quick visual indication allows technicians to locate faults immediately, saving maintenance time.

Yes, as long as your PLC supports RS422/RS485 or TTL-level inputs, the ABZ differential module can interface directly.

AOSI modules are rated 72V DC and handle up to 15A per channel. This makes them suitable for low-voltage DC systems, including solar energy and vehicle power circuits.

Screw-type fuse modules use mechanical tightening for strong vibration resistance, while spring-type fuse modules allow tool-free, quick wiring. Both are rated for the same current and voltage.

Yes. AOSI Electrónica supports OEM/ODM customization, including custom fuse ratings, housing colors, private labeling, and packaging for distributors or system integrators.

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