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Siemens 2P 40A 30mA RCCB (5SV43140RC) – Residential

The Siemens 5SV43140RC is a 2P (2P) 40A RCCB with 30mA sensitivity designed specifically for residential electrical safety. Installed on a 35mm DIN rail, this Type AC residual current device monitors current balance to provide comprehensive earth leakage protection. It operates reliably within a 184V to 264V range to suit fluctuating Indian power conditions.

Quick Answer

Yes, you should definitely buy the Siemens 5SV43140RC if you prioritize robust electrical safety for your Indian residence. Its 30mA sensitivity is the global benchmark for human protection, tripping instantly during fault conditions. The 40A rating comfortably manages standard household loads, while its voltage tolerance (184-264V) is ideal for India's power conditions, making it an essential upgrade for peace of mind.

✓Provides life-saving protection against direct contact — 30mA sensitivity trips power in under 40ms.
✓10kA conditional short circuit rating ensures the device withstands massive electrical surges without failing.
✓Safeguards against fire in compact spaces — 2-module 36mm width fits any standard DIN rail.
✓4kV impulse withstand voltage protects your sensitive electronics from atmospheric transient surges.
✓Durable construction for Indian climates — operates reliably in temperatures from -25°C to +75°C.
✓10,000 mechanical cycles provide years of maintenance-free operation for residential homeowners.

This Siemens RCCB is a vital purchase for safety-conscious Indian homeowners seeking life-saving earth leakage protection for standard residential circuits. It's not for those requiring higher current industrial applications. Choose it for dependable safety where it truly counts: your home.

Product Overview
The Siemens 5SV43140RC is a 2P (2P) 40A RCCB with 30mA sensitivity designed specifically for residential electrical safety. Installed on a 35mm DIN rail, this Type AC residual current device monitors current balance to provide comprehensive earth leakage protection. It operates reliably within a 184V to 264V range to suit fluctuating Indian power conditions.

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Engineering Analysis
The 30mA residual current rating is the global standard for life-saving human protection, triggering a shutdown in ≤40ms during high-leakage events. While the 40A rated current handles standard household loads, the 10kA conditional short circuit rating ensures the unit remains intact during upstream faults. Its 2-module 36mm width allows for high-density installation in compact residential distribution boards.

Technical Support & FAQs