DC Power Distribution Terminal Blocks with Per-Channel Independent Switches
Modular DC distribution up to 72 V / 20 A per channel, available in screw or spring types.
Per-channel independent switches let you isolate circuits safely without shutting down the system.
The AOSI DC power distribution terminal block series provides reliable low-voltage wiring solutions for control panels and power systems. Each module integrates one DC input and multiple output channels, supporting up to 72V 20A per circuit.
Users can select standard models or independent switch DC modules, which allow each channel to be turned on or off individually for safer maintenance.
Available in 2 to 16 channels, the FM06 Series delivers stable, high-current distribution up to 72 V / 20 A per channel. These DC power distribution terminal blocks feature durable screw connections that ensure secure wiring even in vibration-prone environments.
Caratteristiche principali:
2–16 channel options with modular housing
Screw connection for strong and stable contact
Rated for 72 V DC / 20 A per channel
Compatible with 35 mm DIN rail installation
The HM06 Series is designed for flexibility and easy maintenance, offering per-channel independent switches that allow each circuit to be isolated individually.
Caratteristiche principali:
Independent ON/OFF switch for each output channel
Quick, tool-free spring clamp connection
Rated for 72 V DC / 20 A per channel
Compact, space-saving DIN-rail design
The AOSI independent switch terminal block enables true per-channel control—you can isolate, test, or service a single branch without powering down the entire system. This design effectively acts as a compact dc circuit isolation module, improving safety, shortening maintenance time, and keeping adjacent loads running.
Quick Benefits at a Glance
✅ 1Individual ON/OFF per branch for safer live maintenance
✅ RFaster troubleshooting; isolate only the faulted load
✅ ENo system-wide downtime; adjacent channels stay powered
✅ SClear visual state (switch position and optional LED)
| Feature / Outcome | With Independent Switch | Without Independent Switch |
|---|---|---|
| Per-channel isolation | Yes (instant) | No (requires upstream disconnect) |
| Live maintenance safety | Alto | Medio |
| Troubleshooting speed | Fast (single branch) | Slower (affects more loads) |
| System uptime during service | Maintained | Often interrupted |
| Best for | Test/repair-intensive panels, PV strings, battery branches | Simple, rarely serviced circuits |
Typical Use Cases
AOSI offers two connection styles for its DC power distribution terminal blocks, giving engineers the flexibility to match installation preferences and cabinet requirements.
Both types support up to 72V / 20A per channel and are available from 2 to 16 channels.
Choose between the FM06 screw terminal DC blocks for high vibration environments or the HM06 spring clamp DC distribution modules for fast, tool-free wiring.
| Modello | Tipo | Channels | Dimensions (L×W×H mm) | Housing Color |
|---|---|---|---|---|
| FM06-02D | Terminale a vite | 2 | 90×59×42 | Nero |
| FM06-03D | Terminale a vite | 3 | 105×59×42 | Nero |
| FM06-04D | Terminale a vite | 4 | 121×59×42 | Nero |
| FM06-06D | Terminale a vite | 6 | 153×59×42 | Nero |
| FM06-08D | Terminale a vite | 8 | 188×59×42 | Nero |
| FM06-12D | Terminale a vite | 12 | 259×59×42 | Nero |
| FM06-16D | Terminale a vite | 16 | 295×59×42 | Nero |
| 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).
With over 15 years of experience in modular terminal manufacturing, we provide a full range of DC switch distribution modules — from compact 2-channel units to high-density 16-channel blocks, available in both screw and spring connection types.
Each model is designed for independent channel switching, allowing users to control or isolate each output without interrupting the main power supply.
The following dc distribution block specifications outline the key technical parameters that ensure safety and performance in demanding industrial environments.
All models are built for long-term reliability, featuring flame-retardant PA66 housings and standard DIN-rail mounted terminal designs for easy installation and maintenance.
Each unit supports up to 72V 20A current rating per channel, suitable for DC control, energy storage, and solar distribution systems.
| Parametro | Specifiche |
|---|---|
| Tensione nominale | 72 V DC |
| Corrente nominale | 20 A per channel |
| Tipo di connessione | Screw or spring clamp |
| Gamma di fili | 0.5–6 mm² (22–12 AWG) |
| Materiale dell'alloggiamento | PA66, UL 94 V-0 flame-retardant |
| Tipo di montaggio | 35 mm DIN-rail mounted |
| Switch Type | Individual mechanical ON/OFF per channel |
| Indicator | Optional LED for active or fault status |
| Temperatura di esercizio | −40 °C ~ +85 °C |
| Resistenza all'isolamento | ≥100 MΩ at 500 V DC |
| Dielectric Strength | 2000 V AC, 1 minute |
| Manutenzione | Supports Lockout/Tagout safety procedures |
💡 All AOSI terminals are manufactured and tested under strict quality control standards to ensure consistent contact stability and long service life.
The AOSI DC switch distribution modules are widely used in industrial and energy systems that require safe, flexible, and organized power routing.
Each unit serves as a reliable dc terminal for control panels and other DC equipment, ensuring stable operation under continuous load.
With compact size and independent channel switches, these modules help engineers manage multiple circuits efficiently in limited space.
Power distribution and branch isolation for PLCs, sensors, and controllers
Manage PV string outputs with individual circuit control and protection
Safely control and service each battery branch independently
Compact DC modules for panel-mounted multi-load systems
💡 Ideal for environments requiring frequent maintenance, per-channel isolation, or compact DC power management.
To better understand the internal structure of the DC switch distribution modules, the following dc switch wiring diagram illustrates how each channel operates independently while sharing a common power input.
Each branch is protected and switched individually, ensuring per-channel isolation circuit control without affecting adjacent loads.This modular design enhances flexibility, simplifies maintenance, and prevents system-wide downtime during troubleshooting or service.
💡 The diagram clearly shows the main DC input, internal switching contacts, and multiple output lines — representing the flow of power within a complete dc power distribution schematic.
Selecting a reliable DC switch distribution module manufacturer is essential for ensuring product stability, long-term supply, and safe circuit performance.
When choosing a supplier, focus on production capability, quality control standards, and technical support.
At AOSI, every stage — from raw material selection to final testing — is managed in-house to guarantee consistency and reliability.
In AOSI Electronics, tutti i nostri morsetti e connettori sono rigorosamente testati e certificati:
✅ UL, CE, RoHS, e RAGGIUNGERE conforme
Ispezione di qualità ✅ 100% prima della spedizione
✅ Rispetto rigoroso di ISO 9001:2015 standard di gestione della qualità
✅ Design ignifugo, resistente alle alte temperature e alle vibrazioni per ambienti industriali
🔒 Una connessione affidabile inizia con componenti certificati. Non accettiamo compromessi quando si tratta di sicurezza e conformità.
In qualità di fabbrica diretta con oltre 15 anni di esperienza nella produzione di morsettiere, AOSI fornisce:
🔧 Oltre 30 macchine per lo stampaggio a iniezione
🧰 In-house progettazione di utensili e stampi capacità
👷 50+ lavoratori qualificati e 8 linee di produzione
🚚 Uscita mensile su 5 milioni di pezzi
Dalla prototipazione alla consegna in grandi quantità, offriamo tempi di consegna stabili, MOQ flessibilee una qualità costante dei prodotti.
Che siate distributori, integratori di sistema o OEM, AOSI è pronta a sostenere la vostra crescita:
🌐 Esportazione in 40+ paesi in Europa, Asia e America
🧩 Opzioni personalizzabili: numero di pin, logo, colore, materiale della custodia, imballaggio
🤖 Supporto ingegneristico per passi speciali, progettazione di blocchi modulari e applicazioni ad alta corrente
📦 Parliamo la vostra lingua: comunicazione veloce, disegni, campioni e supporto logistico globale.
Looking for high-quality and CE-compliant DC switch distribution modules for your industrial, automation, or solar applications? AOSI Electronics offers 2 to 16 channel switch distribution blocks with fast delivery, dependable performance, and flexible OEM customization options.
Contact our engineering team today to get free samples or a personalized quotation for your next DC power project.
A DC switch distribution module distributes one DC input into multiple outputs. Each channel includes an independent ON/OFF switch, allowing branch control and safe isolation in industrial or solar systems.
Each output has a mechanical switch that allows per-channel isolation without affecting other circuits, improving safety and reducing maintenance downtime.
Yes, AOSI offers OEM customization, including logo printing, color options, labeling, and private packaging for distributors and equipment manufacturers.
All models are rated up to 72V DC / 20A per channel, suitable for low-voltage DC systems such as control panels, battery cabinets, and PV arrays.
All products use PA66 flame-retardant housings, ensuring excellent insulation, heat resistance, and durability for industrial environments.
Mount the unit on a 35 mm DIN-rail, connect input/output wires according to polarity, and use switches for safe branch isolation during maintenance.
Looking for other types of terminal blocks? Discover our full range of connection solutions below. Discover our other product families below and find the perfect match for your project.
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