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Arc-Fault Circuit-Interrupters(AFCI)

AFDD(AFCI)63A 4.5KA Arc fault circuit breaker

The AFDD(AFCI)63A 4.5KA Arc Fault Circuit Breaker is a single-pole or double-pole device designed to detect and...

Get a Price for This ModelSpecifications
AFDD(AFCI)63A 4.5KA arc fault circuit breaker on DIN rail front view
Single-pole and double-pole arc fault breaker showing terminals and toggle handle
Close-up of arc fault circuit breaker terminals and mounting clips
AFDD installed in a distribution board with labeled terminals
Product Overview

What This Model Does

The AFDD(AFCI)63A 4.5KA Arc Fault Circuit Breaker is a single-pole or double-pole device designed to detect and interrupt dangerous arc faults in electrical circuits. It provides protection against fires caused by insulation damage, aging, or loose connections in wiring and connected equipment. Built to detect both series and parallel arcs, it adds a layer of fire prevention to standard overcurrent and short-circuit protection. The breaker is suitable for residential, commercial, and institutional buildings where electrical safety is critical, such as museums, libraries, and data centers.

Key Benefits

  • Detects and interrupts series and parallel arc faults that standard MCBs cannot
  • Reduces risk of electrical fires caused by insulation damage or loose connections
  • Provides fire protection in sensitive environments like museums and libraries
  • Combines arc fault detection with conventional overcurrent and short-circuit protection in one device
  • Simplifies panel design by replacing multiple protection devices with a single unit
  • Operates independently of network connectivity, ensuring protection during outages
AFDD(AFCI)63A 4.5KA arc fault circuit breaker on DIN rail front view
AFDD(AFCI)63A 4.5KA arc fault circuit breaker on DIN rail front view

Who It Is For

  • Electrical wholesalers adding arc fault protection to their low-voltage product range
  • Panel builders specifying integrated arc fault protection in distribution boards
  • Building owners and facility managers responsible for fire safety in sensitive facilities
  • Solar and EV charger installers needing additional protection in new or retrofit systems
  • OEM/ODM buyers integrating arc fault detection into smart switchgear or control panels

Problems It Solves

  • A fire starts due to undetected arc faults in aging or damaged wiring
  • Standard MCBs fail to detect series or parallel arcs that lead to overheating and ignition
  • Building codes or safety standards require arc fault protection but no compact solution exists
  • Multiple devices are needed to cover overcurrent, short-circuit, and arc fault protection
  • Facility managers cannot monitor or prevent electrical fires from hidden wiring faults

Application Scenarios

  • Residential homes where aging wiring increases arc fault risk
  • Museums and libraries with valuable assets that require enhanced electrical fire protection
  • Commercial buildings with long cable runs and frequent equipment connections
  • Data centers and server rooms where electrical faults can lead to fire and downtime
  • Renovated buildings with outdated or damaged wiring not compliant with modern standards
Technical Features

How It Is Built

  • Rated current of 63A with a 4.5KA rated short-circuit breaking capacity
  • Designed to detect series and parallel arc faults in wiring and connected equipment
  • Mechanical trip mechanism with integrated arc fault detection circuitry
  • Operates independently of network or power supply for core protection function

Materials and Construction

  • Silver-alloy contacts with thermal-magnetic trip unit and arc fault detection sensor
  • Internal circuit board with arc fault detection logic and signal processing components

Quality Control

  • Arc fault detection sensitivity verified against standard test conditions
  • Short-circuit breaking capacity confirmed at the rated 4.5KA
  • Mechanical operation tested for reliability under repeated tripping
  • Dielectric withstand test performed before final packaging
  • Trip characteristic checked for consistency across the rated current range
Specifications

Stated Ratings for This Model

Specifications for AFDD(AFCI)63A 4.5KA Arc fault circuit breaker
Rated Current63A
Rated Short-circuit Breaking Capacity4.5KA
Arc Fault DetectionSeries and parallel arc detection
Trip MechanismThermal-magnetic with integrated arc fault detection

Ratings are as published for this model. Where a value is not published we mark it TBC rather than estimating it.

Values that could not be confirmed against the published catalogue text for this model are marked TBC and confirmed by email before order: Rated Voltage, Protection Level, Mounting Type, Operating Frequency.

Manufacturing Process

  • Moulding and machining of the breaker housing and internal components
  • Assembly of the thermal-magnetic trip unit and contact system
  • Installation and calibration of the arc fault detection circuitry
  • Integration of the detection logic with the mechanical trip mechanism
  • Routine dielectric and operation testing before packing

Customization Options

  • ODM branding on housing print and packaging
  • Packaging and carton marking to the buyer's own specification
Comparison

How It Compares

Conventional MCBAdds arc fault detection to prevent electrical fires, but at a higher unit cost
MCB plus separate arc fault detectorOne device instead of two, though the detector may require external wiring
Zigbee or WiFi smart breakerFocuses on fire safety rather than remote control, and operates without a network
RCBO with arc fault detectionSimilar protection function but may have different sensitivity thresholds or response times

Use Guide

  1. Ensure the breaker is rated for the circuit voltage and current before energizing
  2. Test the trip function manually to confirm mechanical operation and arc fault detection
  3. Verify that the breaker resets after a trip and holds under normal load
  4. Keep the manual handle accessible for local isolation in case of fault or maintenance
  5. Use in circuits where arc fault protection is required by local safety standards or risk assessment

Related Products

Where It Is Used

Residential and Rental Housing

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Commercial Buildings and Facilities

Offices, shops, schools and small industrial units run boards that nobody watches until something trips. The range cover...

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FAQ

Questions About the AFDD(AFCI)63A 4.5KA Arc fault circuit breaker

What types of arc faults does it detect

It detects both series arcs and parallel arcs caused by insulation damage, aging, or loose connections in wiring and connected equipment.

Does it require a network connection to function

No. The arc fault detection and trip mechanism operate independently of any network or power supply.

Can it be branded under our own company name

Yes. We offer ODM services and can print your branding on the housing and packaging. Send your artwork and required current ratings.

What is the minimum order quantity and lead time

Both depend on the pole count and current rating you need. Email [email protected] with your model list and quantities for a current answer.

How do we get a price for this model

Email [email protected] with the rated current, pole count and quantity you need and we will quote this model directly.

Can this be supplied under our own brand

Yes. We run ODM projects and can print your branding on the housing and packaging.

Get a Quotation for the AFDD(AFCI)63A 4.5KA Arc fault circuit breaker

Tell us the ratings, pole counts and quantities you need and we will price this model directly.

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