MK Sentry H4420S AFDD/RCBO 20A DP B Curve Type A 30MA Type A

MK Sentry 20A DP B Curve Type A AFDD/RCBO – Advanced Fire & Fault Protection

The MK Sentry AFDD/RCBO provides comprehensive protection against electrical hazards, including arc faults, overcurrent, and earth leakage. Designed for enhanced safety in residential and commercial installations, this device automatically detects dangerous arcing conditions, helping to prevent electrical fires.

• Arc Fault Detection Technology – Identifies and isolates hazardous arcing faults that may go undetected by MCBs and RCDs.
• B Curve Tripping Characteristic – Ideal for general-purpose circuits, protecting against overloads and short circuits.
• 20A Rated Current – Suitable for low-power circuits such as lighting and control applications.
• 30mA RCD Sensitivity – Provides additional protection against electric shock and earth faults.
• Double Pole (DP) Switching – Ensures full disconnection of live and neutral conductors for enhanced safety.
• Type A RCD Protection – Detects AC and pulsating DC residual currents for improved fault detection.
• Compact & Modular Design – Space-saving DIN rail-mounted unit for easy installation in consumer units.

Technical Specification

• Rated Current: 20A
• Breaking Capacity: 6kA
• Tripping Curve: B Curve
• RCD Sensitivity: 30mA
• Type: A
• Number of Poles: Double Pole (DP)
• Mounting: DIN Rail
• Compliance: BS EN 61009, BS EN 62606

✅ Enhance electrical safety with the MK Sentry 20A DP B Curve Type A AFDD/RCBO for advanced fire and fault protection!