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Siemens 4P 63A 30mA RCCB (5SV43460RC) – Home Safety

The Siemens 5SV43460RC is a 63A 4P Type AC RCCB designed for 415V residential electrical systems in India. Installed as a main incomer, this 4-module wide device provides critical earth leakage protection by monitoring current imbalances. Its primary function is to disconnect the circuit when residual currents reach 30mA, preventing accidental electrocution.

Quick Answer

Yes, absolutely buy the Siemens 5SV43460RC if you need top-tier earth leakage protection for a large Indian residence or commercial space with 3-phase supply. Its 30mA sensitivity is crucial for life safety, instantly tripping to avert electrocution risks. The 63A rating reliably handles high loads, making it an ideal main incomer for comprehensive protection against dangerous current imbalances in 415V systems.

Protects your family from fire hazards—30mA residual current sensitivity trips the circuit instantly.
Rated for 63A continuous current with a 630A making and breaking capacity for handling high-inrush loads.
Durable construction ensures longevity—mechanical endurance rated for 10,000 operating cycles.
Complies with IS 12640 standards to guarantee reliable performance in Indian residential environmental conditions.
Compact 72mm width saves space in distribution boards—standard 4-module DIN rail 35mm mounting.
Operates reliably in extreme heat—ambient temperature tolerance ranges from -25°C to +75°C.

This Siemens RCCB is a must-have for homeowners or electricians upgrading main panels in large Indian homes needing robust 3-phase (415V) earth leakage safety. It's unsuitable for single-phase 240V lines or scenarios where only overload/short-circuit protection is required, as it specifically targets residual current faults.

Product Overview
The Siemens 5SV43460RC is a 63A 4P Type AC RCCB designed for 415V residential electrical systems in India. Installed as a main incomer, this 4-module wide device provides critical earth leakage protection by monitoring current imbalances. Its primary function is to disconnect the circuit when residual currents reach 30mA, preventing accidental electrocution.

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Engineering Analysis
The 30mA sensitivity is essential for residential life safety because it interrupts power before leakage currents reach levels that cause cardiac arrest. While the 63A rated current handles the full load of a large flat, the 10kA conditional short circuit rating ensures the unit remains intact during fault conditions when paired with a coordinated MCB. Utilizing 4 poles allows for complete isolation of both three phases and the neutral, which is vital for preventing neutral-to-earth faults.

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