MCB 20 Amp DC Mini Circuit Breaker 2 Pole
MCB 20 Amp DC Mini Circuit Breaker 2 Pole
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MCB 20 Amp DC Mini Circuit Breaker 2 Pole
📝 20A DC mini circuit breaker – 2 pole DIN rail
The 20A DC mini circuit breaker (2 pole) is designed to protect 12v, 24v, and higher-voltage DC electrical systems from overloads and short circuits. When current exceeds safe limits, the breaker automatically trips to protect wiring, batteries, and connected equipment.
With its compact DIN rail mount design, this breaker is ideal for caravan, campervan, RV, solar, and off-grid electrical installations. The dual pole switching isolates both positive and negative conductors for safer and more complete circuit protection.
⭐ Essential benefits
• Dual pole protection – isolates both positive and negative circuits for improved safety
• Reliable overload protection – automatically trips to protect wiring and equipment
• Manual reset operation – quickly restore power once the fault is cleared
• DIN rail mounting – simple installation in electrical distribution boxes
• Compact design – ideal for caravan, solar, and off-grid installations
This breaker delivers dependable circuit protection while keeping electrical panels organised and secure.
⚙️ Functionality
The breaker continuously monitors the current flowing through the circuit. If the load exceeds 20 amps, the breaker automatically trips and disconnects power to prevent damage to wiring and electrical components.
After the issue is resolved, the breaker can be manually reset using the switch lever, restoring power to the circuit.
🔌 Compatibility
• Solar power systems
• Caravan and RV electrical systems
• Campervan battery systems
• Off-grid DC power installations
• DIN rail electrical distribution boards
🧰 Installation difficulty
🟡 3/5 (Moderate) – requires correct wiring and DIN rail mounting within an electrical enclosure.
🔍 Features
• 2 pole DC breaker – isolates both conductors
• DIN rail mount – fits standard electrical rails
• Manual reset lever – easy power restoration
• Compact enclosure – suitable for tight electrical panels
• High sensitivity trip protection – responds quickly to overload or short circuit
• Indicator window – quick visual status check
📊 Specifications table
| Specification | Detail |
|---|---|
| Rated current | 20A |
| Rated voltage | Up to 1000v DC |
| Poles | 2 pole |
| Mount type | DIN rail |
| Breaking capacity | 4500A |
| Operating temperature | Approx -20°C to 70°C |
| Application | DC electrical protection |
📦 What’s included
• 1 × 20A DC mini circuit breaker (2 pole)
🙌 Why choose this product?
A reliable circuit breaker is essential for protecting solar systems, battery wiring, and caravan electrical setups. This breaker provides fast overload protection, safe dual pole isolation, and easy reset capability for dependable off-grid power systems.
🚀 Our promise
Order today for same-day dispatch and explore our full range of caravan and off-grid electrical components.
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Excellent and seems very good quality
Ross Henderson -
Good product fast service
Marie -
Great thanks. They fit like a glove.
Ben Strautins

Testimonials
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