Victron Argodiode Battery Isolator 140-3AC
Fields (ACP · UCP / Merchant Center)
| field | value |
|---|---|
| item_id / sku | 792-ARG140301020R |
| mpn | 792-ARG140301020R |
| brand | SMG 26 |
| title | Victron Argodiode Battery Isolator 140-3AC |
| product_type | CONTROLERS |
| google_product_category | CONTROLERS |
| price | $71.76 |
| availability | in stock |
| condition | new |
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Description (from PDP, plain text)
Victron Energy ● Argo Series Victron Argodiode Battery Isolator 140-3AC 140A Max Current | For 3 Battery Banks | Low Voltage Drop Design The Victron Argodiode Battery Isolator 140-3AC is a robust solution designed to enable simultaneous charging of up to three independent battery banks from a single alternator. Utilising high-efficiency Schottky diodes, this isolator ensures a low voltage drop, which is crucial for effective charging in various applications. Ideal for marine, automotive, and off-grid systems, the Argodiode 140-3AC prevents the discharge of one battery bank from affecting others, thereby protecting critical starter batteries while allowing accessory batteries to be used freely. Its intelligent design includes an alternator energize input, ensuring proper charging initiation for compatible alternators. INSTALLATION NOTE: Proper installation is vital to ensure optimal battery charging and system performance. Consult professional guidance. Key Features ▶ Efficient Battery Isolation — Safely charges up to three separate battery banks from a single alternator. ▶ Low Voltage Drop — Utilises Schottky diodes for minimal voltage loss, approximately 0.3V at low current and 0.45V at rated output. ▶ Alternator Energize Input — Features a special current-limited input to activate alternators that require DC voltage on the B+ terminal to start charging. ▶ Compensation Diode — Helps to slightly increase the alternator's output voltage, offsetting the inherent voltage drop across the isolator's diodes. ▶ Robust M8 Stud Connections — Ensures secure and reliable electrical connections for high current applications. Technical Specifications Parameter Value Manufacturer Victron Energy Model Argodiode 140-3AC SKU / MPN ARG140301020R Product Type Diode Battery Isolator Nominal Voltage 12V / 24V Max Charge Current 140 A Max Alternator Current 140 A Number of Battery Banks 3 Main Connections M8 Studs Energize Connection 6.3mm Faston Voltage Drop (Low Current) ≈ 0.3 V Voltage Drop (Rated Output) ≈ 0.45 V Dimensions (H x W x D) 60 x 120 x 150 mm Weight 1.1 kg System Integration Notes The Argodiode 140-3AC is designed to simplify multi-battery charging from a single source. However, it's important to understand its operational characteristics for optimal performance. The inherent voltage drop across diodes means that simply inserting the isolator without compensation can lead to batteries not being fully charged, potentially shortening their lifespan. The integrated compensation diode addresses this by allowing a slight increase in the alternator's output voltage. Additionally, for alternators that require a DC voltage on the B+ terminal to initiate charging, the 'AC' models like the 140-3AC include a dedicated energize input. This ensures the alternator starts correctly when the engine run/stop switch is closed, preventing charging issues that can arise with standard diode splitters. Typical Applications Marine Vessels Effectively isolates engine start batteries from service batteries, ensuring reliable engine starting. Motorhomes & Caravans Manages power distribution for leisure batteries and vehicle systems without cross-discharge. Off-Grid & Remote Systems Separates different battery banks in smaller solar or wind power setups. Emergency & Utility Vehicles Ensures critical communication and auxiliary systems remain powered independently. Built-In Design Benefits The Victron Argodiode 140-3AC is engineered with several design benefits to enhance system reliability and battery longevity. Its use of Schottky diodes minimises energy loss during charging, contributing to overall system efficiency. • The integrated compensation diode actively works to counteract voltage drop, helping to ensure batteries receive a more complete charge. • The alternator energize input is a key feature for modern alternators, preventing common charging startup issues in multi-battery configurations. Common Questions What is a battery isolator and why do I need one? A battery isolator allows multiple battery banks to be charged from a single source (like an alternator) without being directly connected. This prevents one battery bank from discharging another, ensuring your starter battery remains fully charged while auxiliary batteries power other loads. How does the Argodiode 140-3AC minimise voltage drop? The Argodiode 140-3AC uses high-efficiency Schottky diodes, which inherently have a lower voltage drop compared to standard diodes. Additionally, it includes a compensation diode that can be wired to slightly boost the alternator's output voltage, further mitigating voltage loss. What is the 'alternator energize input' for? Some modern alternators require a DC voltage on their B+ terminal to begin charging. When a diode isolator is installed, it can block this voltage. The Argodiode's 'energize input' provides a current-limited voltage to the B+ terminal when the engine is running, ensuring the alternator starts charging correctly. Is this isolator suitable for 12V and 24V systems? Yes, the Victron Argodiode 140-3AC is designed for use in both 12V and 24V electrical systems, automatically adapting to the system voltage. Installation Notes Professional Installation Recommended: For optimal safety and performance, installation should be carried out by a qualified professional. Consult Documentation: Always refer to the official Victron Energy manual and datasheet for detailed wiring diagrams and installation instructions. Cable Sizing: Ensure all cabling is correctly sized for the maximum current to prevent excessive voltage drop and overheating. Ventilation: Mount the isolator in a well-ventilated area on a non-flammable surface, as it can generate heat during operation. Alternator Compatibility: Verify your alternator's requirements, especially regarding the B+ energize input, to ensure proper charging. Before You Buy Current Requirements: Confirm the 140A maximum current rating meets your system's alternator output and battery charging needs. Number of Batteries: Ensure this 3-bank isolator matches the number of battery banks you intend to charge. System Voltage: Verify compatibility with your 12V or 24V electrical system. Installation Expertise: Be aware that correct installation is critical to avoid issues like undercharged batteries. Seek expert advice if unsure. Physical Dimensions: Check the dimensions (H60 x W120 x D150mm) to ensure adequate space for mounting. All specifications are based on manufacturer data and are subject to change. Always verify compatibility and requirements with your specific system before purchase. Victron Energy offers a 5-year standard warranty on power products.
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