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275A 12V-48V High Current Battery Isolating Switch
275A 12V-48V High Current Battery Isolating Switch
SKU:sw-iso-275
In stock
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275A 12V-48V High Current Battery Isolating Switch
📝 275A High Current Battery Isolator Switch (12V–48V)
The 275A High Current Battery Isolator Switch is engineered for reliable, controlled power management in campervans, caravans, RVs, boats, and off-road electrical systems. Built for users who demand strength, simplicity, and safety, this isolator gives you full authority over your battery supply—protecting your components, preventing unwanted drain, and enhancing system longevity on every adventure.
⭐ Essential Benefits
• 275A continuous rating – Handles high-demand electrical systems with confidence.
• Wide voltage range – Compatible with 12V–48V battery setups.
• Robust construction – Designed to withstand vibration, moisture, and harsh environments.
• Simple rotary operation – Instant ON/OFF isolation with a smooth, positive action.
• Compact design – Fits neatly into tight builds without sacrificing performance.
⚙️ Functionality
Installed inline on the positive battery line, this isolator provides complete electrical disconnection when performing maintenance, storing your vehicle, or safeguarding critical circuits. With a strong rotary actuator and low-resistance internal contacts, it ensures reliable switching and long-term durability across a wide voltage range.
🔌 Compatibility
• Works with 12V, 24V, 36V, and 48V DC systems
• Suitable for campervans, caravans, RVs, boats, 4WDs, agricultural and marine equipment
• Ideal for isolating battery banks, inverters, chargers, fuse systems, compressors & high-load accessories
🧰 Installation Difficulty
🟡 3/5 (Moderate)
Requires correct cabling, terminal crimping, and secure mounting.
🔍 Features
• High-capacity switching for modern electrical systems
• Rotary ON/OFF actuator for fast isolation
• Heavy-duty terminal posts for secure cable lugs
• Vibration-resistant, weather-resistant housing
• Suitable for surface or recessed mounting
• Compact footprint for tight panel layouts
📊 Specifications
| Specification | Value |
|---|---|
| Input Voltage | 12–48V DC |
| Operation Mode | ON–OFF |
| Continuous Current Rating | 275A |
| Peak Current (30 sec) | 600A (approx) |
| Number of Positions | 2 |
| Terminal Size | M10 (3/8") |
| Actuator Type | Rotary |
| Ingress Protection Rating | IP66 |
| Product Dimensions | 68 × 68 × ~75mm |
| Mounting Style | Surface or panel mount |
| Housing Material | Reinforced composite |
📦 What’s Included
• 1 × 275A High Current Battery Isolator Switch
🙌 Why Choose This Product?
This 275A isolator is built for demanding electrical environments, delivering dependable switching, rugged construction, and wide-voltage compatibility. Whether you're navigating remote tracks, open waters, or long-haul touring, it provides the confidence and control needed to protect your power system every day.
🚀 Our Promise
Order today for same-day dispatch and enjoy safer, smarter power management on every journey.
Our Commitment
At Campervan Builders, our commitment is simple: we only supply quality campervan, caravan, motorhome, and RV parts that we’ve personally tested in real off-grid conditions. From interior LED lighting to Starlink 12V conversion kits, every product is chosen for reliability, durability, and ease of installation. We back this with fast shipping Australia-wide, friendly support, and honest advice to help DIY builders and professionals alike. When you shop with us, you’re choosing proven gear that keeps you connected and comfortable on every adventure.