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Siemens 2P 25A 30mA RCCB (5SV43120RC) – Home

The Siemens 5SV43120RC is a 25A 2P Type AC RCCB specifically designed for 240V residential applications in India.This safety device monitors earth leakage currents to prevent electrical accidents, serving as a critical protection layer within final circuits.

Quick Answer

Absolutely, invest in the Siemens 5SV43120RC RCCB if your Indian home needs robust protection against electrical shocks. Its 30mA sensitivity swiftly detects dangerous earth leakage currents, preventing severe harm. Engineered for 240V residential circuits, this 25A device is an indispensable safety upgrade for critical final circuits. It ensures peace of mind against unforeseen electrical hazards.

✓Prevents fatal electrical accidents by cutting power within 40ms when leakage exceeds 5x the 30mA sensitivity.
✓10kA conditional short circuit rating allows for robust fault handling when correctly coordinated with a backup MCB.
✓Reduces the risk of insulation fires by detecting Type AC sinusoidal leakage currents early in the fault cycle.
✓Energy limiting class 3 design ensures high performance during surges while maintaining a low power loss of 1.5W per pole.
✓Easily verify device health with the integrated blue test button designed for regular functional maintenance checks.
✓Halogen-free construction with a UL94 V-0 flammability rating passes 960°C glow wire safety tests.

Indian homeowners needing critical human protection from earth leakage in 240V residential circuits should buy the Siemens 5SV43120RC for safety upgrades. Avoid if requiring higher amperage, industrial-grade use, or Type A RCCB for pulsating DC faults.

Product Overview
The Siemens 5SV43120RC is a 25A 2P Type AC RCCB specifically designed for 240V residential applications in India. This safety device monitors earth leakage currents to prevent electrical accidents, serving as a critical protection layer within final circuits. It functions reliably within a voltage range of 184–264V, ensuring consistent monitoring during common local power fluctuations.

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Engineering Analysis
The 30mA sensitivity level is specifically chosen for residential safety because it triggers a trip before leakage current causes permanent physiological harm to humans. With a 10kA conditional short circuit rating, this device maintains structural integrity when paired with a backup MCB during severe fault events. The 2-pole configuration is vital for residential final circuits as it provides simultaneous isolation of both the phase and neutral lines during a fault.

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