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Legrand DX3 RCCB FP 25A 300mA Specifications, Features & Compatibility Guide
✓ 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 RCCB FP 25A 300mA is a four-pole residual current circuit breaker designed for residential main incomer applications. Operating at 400V with a 25A rated current, this Type AC device provides dedicated earth leakage protection without integrated overload or short circuit functions.
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Engineering Analysis
A 300mA sensitivity level is specifically chosen for fire protection in residential distribution boards where lower sensitivity might cause nuisance tripping. The 500A making and breaking capacity ensures the device can safely manage operational surges, while the 4P configuration provides complete isolation of three phases and the neutral line.
Technical Support & FAQs
Engineering Analysis
A 300mA sensitivity level is specifically chosen for fire protection in residential distribution boards where lower sensitivity might cause nuisance tripping. The 500A making and breaking capacity ensures the device can safely manage operational surges, while the 4P configuration provides complete isolation of three phases and the neutral line.