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Legrand DX3 RCBO AC Type FP 16A 30mA Specifications, Features & Compatibility Gu
✓ Who Should Buy
- • performance suitable for residential spaces.
- •Verified efficiency of standard rating for reduced long-term operational costs.
- •Structural stability for consistent cleaning under rigorous use cases.
- •Hardware durability via premium components and advanced technology.
- •Built-in grid protection with Standard power cycle voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding residential rated capacity.
- •Installations prioritizing minimum capital expenditure over high-efficiency performance.
- •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
- •Environments incompatible with electrical safety devices physical and thermal dissipation specs.
Product Overview
The Legrand DX3 RCBO AC Type FP 16A 30mA is an integrated safety solution for residential final circuits. This 4P (4-pole) device combines the functions of an RCCB and an MCB, providing comprehensive earth leakage and 10kA short circuit protection. It is specifically designed for 415V Indian residential systems to ensure human and installation safety.
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Engineering Analysis
The 30mA sensitivity is the critical threshold for human life protection, as it trips the circuit in ≤40ms at 5x Idn to prevent ventricular fibrillation. A 10kA breaking capacity is essential for modern distribution boards to safely extinguish high-energy arcs during major faults. Four-pole protection with a switched neutral ensures that the return path is fully isolated during a trip event, preventing potential back-feed hazards.
Technical Support & FAQs
Engineering Analysis
The 30mA sensitivity is the critical threshold for human life protection, as it trips the circuit in ≤40ms at 5x Idn to prevent ventricular fibrillation. A 10kA breaking capacity is essential for modern distribution boards to safely extinguish high-energy arcs during major faults. Four-pole protection with a switched neutral ensures that the return path is fully isolated during a trip event, preventing potential back-feed hazards.