4.9 Based on 1181 reviews 
Description
100A 4 Pole 300mA Type A RCD
FuseBox RTA1003004
The FuseBox RTA1003004 is a 100A 4 Pole 300mA Type A RCD designed for three-phase electrical installations. It detects high earth leakage currents and disconnects the supply quickly, reducing the risk of fire caused by wiring faults.
⚠️⚠️ This RCD is not for direct electric shock protection. For personal safety, it should be used with FuseBox 4 Pole 30mA RCD downstream.
✅ Key Features – 4 Pole 300mA Type A RCD
- Brand: FuseBox (trusted UK electrical protection)
- Model: RTA1003004
- Current Rating: 100 Amps
- Configuration: 4 Pole – ideal for three-phase systems
- Sensitivity: 300mA – often used for fire protection and selective tripping
- Type A: Detects both AC and pulsating DC earth leakage
- Mounting: DIN rail compatible
- Compliance: Fully meets UK and international standards
🛠️ Applications – Fusebox 300mA Type A RCD
Perfect for:
- Consumer units and distribution boards
- TT earthing systems (as a main switch RCD)
- Industrial switchgear where Type A protection is required
- Installations needing fire protection or backup selectivity
🔒 Why Choose the FuseBox RTA1003004?
- Enhanced Safety: Detects fault currents and disconnects quickly to reduce risk of fire or shock
- Robust Design: Made from durable materials for long-term reliability
- Easy to Fit: Simple DIN rail installation in three-phase panels
- Peace of Mind: Designed for use in demanding environments with minimal maintenance
