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Legrand DX3 RCBO AC Type FP 40A 100mA Specifications, Features & Compatibility G
✓ 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 40A 100mA is a four-pole integrated safety device designed for residential 415V systems. This unit combines overload, short circuit, and earth leakage protection into a single 4-module width housing, serving as a primary safety component in final circuits. It operates on a 50Hz frequency and provides instantaneous tripping to mitigate fire risks associated with electrical faults.
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Engineering Analysis
The 100mA sensitivity level is specifically selected for fire protection, as it detects leakage currents that could ignite surrounding materials before a standard MCB trips. With a 10kA breaking capacity, this RCBO safely interrupts high-magnitude fault currents at the main distribution point, preventing damage to the downstream wiring. The 4P configuration ensures a switched neutral, providing total isolation of the circuit during a trip event to prevent potential neutral-to-earth faults.
Technical Support & FAQs
Engineering Analysis
The 100mA sensitivity level is specifically selected for fire protection, as it detects leakage currents that could ignite surrounding materials before a standard MCB trips. With a 10kA breaking capacity, this RCBO safely interrupts high-magnitude fault currents at the main distribution point, preventing damage to the downstream wiring. The 4P configuration ensures a switched neutral, providing total isolation of the circuit during a trip event to prevent potential neutral-to-earth faults.