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Havells 2P 40A 100mA ELCB (DHRGCTDF100040) –

The Havells DHRGCTDF100040 is a 40A, 2-pole voltage-operated ELCB designed specifically for residential safety. Installed in the main distribution board, this 240V device provides 100mA residual current protection to mitigate fire hazards and prevent equipment damage.

Quick Answer

Should you buy the Havells DHRGCTDF100040? Absolutely, if your priority is robust fire protection in a residential setting without nuisance tripping. This 40A, 100mA ELCB offers optimized sensitivity for Indian homes, safeguarding appliances and circuits from critical earth faults. It's an essential upgrade for main distribution boards, ensuring enhanced property safety.

✓Protects residential structures from fire — 100mA residual current sensitivity.
✓10kA breaking capacity — ensures safety during high-magnitude electrical faults.
✓Durable construction for Indian climates — operates from -5°C to +55°C.
✓Instantaneous tripping class — disconnects power in ≤40ms at 5x rated leakage.
✓Compact 2-module design — fits standard 36mm slots in distribution boards.
✓High surge resilience — 2kV surge withstand capability protects internal components.

Opt for this Havells 2P 40A 100mA ELCB if your primary concern is robust fire safety for your residential property against higher leakage currents, avoiding unnecessary trips. However, if your application demands immediate human life protection with ultra-sensitive current detection, a 30mA RCCB would be more suitable.

Product Overview
The Havells DHRGCTDF100040 is a 40A, 2-pole voltage-operated ELCB designed specifically for residential safety. Installed in the main distribution board, this 240V device provides 100mA residual current protection to mitigate fire hazards and prevent equipment damage.

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Engineering Analysis
The 100mA sensitivity is optimized for fire protection in residential circuits where 30mA might cause nuisance tripping but higher levels remain unsafe for property. A 10kA breaking capacity ensures the device remains intact during high-energy short circuit events at the main incomer. Dual-pole (2P) configuration with a switched neutral provides complete isolation of the circuit during a fault condition.

Technical Support & FAQs