3 Pin 6 Amp Hollow Brass Crimping Plug Insert

3 Pin 6 Amp Hollow Brass Crimping Plug Insert

FEATURES:3 Pin 6 Amp Hollow Brass Crimping Plug Insert

  • Hollow Crimping
  • Nickle Plated Brass Pins
  • ISI Standard
  • Rohs Compliant
  • 5A/6A/10A 250V
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Description

Technical Details:

Pin Type Hollow Crimping
Material Resin (PBT) and Glass Filled Brass:IS319 Grade II Brass
Pin Diameter (Phase & Neutral) 05.04mm
Pin Diameter (Earth) 07.03mm
Pin Length (Phase & Neutral) 27 mm ±0.1 Earth 32mm ±0.1
Ampere 6A
Surface Treatment Nickel coating
Usage/Application Electrical Plug, 3 Pin Plug

Available In Brass material Hollow type 3 Pin Plug Insert with 6 Amp and 16 Amp range

A 3 Pin Plug Insert is the internal conductive and insulating assembly that forms the essential part of a three-pin electrical plug. It is responsible for providing the mechanical structure, electrical conduction, insulation, and safety features that allow the plug to connect safely and reliably to an electrical socket. While the outer casing of a plug ensures handling safety and mechanical robustness, the insert houses the current-carrying pins, terminals, and insulation that directly influence performance.

The term “3 Pin Plug Insert” usually refers to inserts used in AC mains plugs (such as BS 1363, IEC 60309, IS 1293, or Schuko systems), where three pins correspond to Line (L), Neutral (N), and Earth (E). Depending on the country, the physical arrangement and dimensions may differ, but the purpose remains the same: to enable safe and standardized connection of Class I appliances to the power supply.

Construction and Design

  1. Pin Configuration

    • Live Pin (L): Carries the supply voltage (typically 110–250 V AC depending on region).

    • Neutral Pin (N): Provides the return path for current.

    • Earth Pin (E): Larger/longer pin connected to appliance chassis for protective earthing. Ensures that the earth connects before live/neutral during insertion.

  2. Materials

    • Pins/Contacts: Usually brass or phosphor bronze due to high conductivity and mechanical strength. Sometimes nickel or tin-plated for corrosion resistance.

    • Housing/Insulation: High-strength thermoplastic (e.g., polycarbonate, nylon, or urea-formaldehyde), meeting UL94V-0 flammability requirements. Resistant to heat, arcing, and mechanical wear.

    • Terminals: Screw-type, crimp, or solder terminals connect appliance wiring to the pins.

  3. Assembly

    • The insert is mounted inside the plug casing.

    • Earth pin is often reinforced and mechanically interlocked with the housing.

    • Barriers and insulation walls prevent short circuits between pins.

Electrical Specifications

  • Rated Voltage: Typically 110–250 VAC (varies by regional standard).

  • Rated Current:

    • Household plugs: 6 A, 10 A, 13 A, or 16 A (depending on region).

    • Industrial plugs (IEC 60309 inserts): 16 A, 32 A, or higher.

  • Frequency: 50 Hz / 60 Hz.

  • Contact Resistance: ≤ 30 mΩ (ensures low heating).

  • Insulation Resistance: ≥ 100 MΩ at 500 VDC.

  • Dielectric Strength: Up to 2,000 VAC for 1 minute without breakdown.

Thermal and Mechanical Properties

  • Operating Temperature Range: -25 °C to +70 °C (standard).

  • Heat Resistance: Some inserts rated up to +120 °C (for heavy-duty applications).

  • Durability: Typically ≥ 5,000 insertion/withdrawal cycles.

  • Retention Force: Earth pin designed for strongest retention.

  • Mechanical Strength: Impact-resistant housing to withstand plug drops or rough use.

Safety and Standards Compliance

A 3 Pin Plug Insert must comply with stringent international standards for electrical safety. Key standards include:

  • IEC 60884-1 – General requirements for plugs and sockets.

  • BS 1363 – Standard for UK plugs (13 A fused).

  • IS 1293 – Indian standard for 3-pin plugs.

  • IEC 60309 – Industrial connectors (high current, splash-proof).

  • UL 498 / CSA C22.2 – North American plug standards.

  • RoHS / REACH – Environmental compliance (hazardous substance restrictions).

Safety features include:

  • Insulated pin sleeves (on live and neutral pins in modern designs).

  • Protective earth pin longer than live/neutral.

  • Flame-retardant housing material.

  • Polarized pin arrangement to prevent miswiring.

Applications

The 3 Pin Plug Insert is found in a wide range of electrical and electronic systems:

  • Household Appliances: Refrigerators, washing machines, microwaves, televisions.

  • Information Technology: Computers, servers, monitors, printers.

  • Office Equipment: Photocopiers, shredders, projectors.

  • Industrial Machinery: Power tools, compressors, pumps (with industrial-rated inserts).

  • Medical Equipment: Devices requiring protective earthing.

  • Power Distribution: Extension boards, socket strips, UPS units.

Advantages

  • Standardization: Globally accepted configurations for safe interchangeability.

  • Safety: Earth connection and insulated pins minimize shock hazards.

  • Durability: High mechanical and thermal resistance.

  • Flexibility: Available in household and heavy-duty industrial versions.

  • Reliability: Low contact resistance ensures efficient power transfer.

 

Check out Our Other Product: 3 Pin UK Plug Insert

 

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