Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
3200836

3200836

Phoenix Contact

CONN FERRULE TWO X 14AWG BLUE

1569900

3202847

3202847

Phoenix Contact

CONN FERRULE TWO X 6AWG BLUE

11650

3200506

3200506

Phoenix Contact

CONN FERRULE DIN 20AWG WHITE

166815000

3200030

3200030

Phoenix Contact

CONN FERRULE DIN 18AWG RED

40393

3201000

3201000

Phoenix Contact

CONN FERRULE DIN TWO X 12AWG GRY

55715100

3202478

3202478

Phoenix Contact

CONN FERRULE DIN 24AWG SILVER

2037

3202494

3202494

Phoenix Contact

CONN FERRULE DIN 20AWG

1420

3200726

3200726

Phoenix Contact

CONN FERRULE DIN 1/0AWG BLUE

662575

3201314

3201314

Phoenix Contact

CONN FERRULE DIN 18AWG WHITE

490444800

3201505

3201505

Phoenix Contact

CONN FERRULE DIN 4AWG YELLOW

217850

3201275

3201275

Phoenix Contact

CONN FERRULE DIN 20AWG WHITE

927341800

3200616

3200616

Phoenix Contact

CONN FERRULE DIN 8AWG RED

0

3201398

3201398

Phoenix Contact

CONN FERRULE 16AWG BLACK

1114

3200098

3200098

Phoenix Contact

CONN FERRULE 12AWG ORANGE

29

3200629

3200629

Phoenix Contact

CONN FERRULE DIN 6AWG BLUE

3400

3202465

3202465

Phoenix Contact

CONN FERRULE DIN 24AWG

1065

1200108

1200108

Phoenix Contact

CONN FERRULE DIN 14AWG BLUE

363747600

1200107

1200107

Phoenix Contact

CONN FERRULE DIN 16AWG BLACK

818945000

3200713

3200713

Phoenix Contact

CONN FERRULE DIN 2AWG RED

73

3203011

3203011

Phoenix Contact

CONN FERRULE 26AWG GRAY

4947

Terminal Blocks - Accessories - Wire Ferrules

1. Overview

Wire ferrules are tubular connectors used to terminate stranded wires, ensuring reliable electrical connections in terminal blocks. They compress the wire strands into a solid ring or eyelet, preventing fraying and improving conductivity. These components are critical in industrial automation, power distribution, and control systems where vibration resistance and long-term stability are essential.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Open Barrel FerrulesAllow partial insertion of wires; suitable for frequent disassemblyControl panels in manufacturing systems
Insulated FerrulesInclude plastic sleeves for additional safety and insulationMedical equipment and HVAC systems
Double-Crimped FerrulesProvide dual compression points for enhanced mechanical strengthAutomotive wiring harnesses
Multi-Wire FerrulesAccommodate multiple wires in a single termination pointPower distribution boxes

3. Structure & Composition

Wire ferrules typically consist of: - Conductive Body: Made from electrolytic copper or brass for optimal conductivity - Surface Coating: Tin-plated for corrosion resistance and solderability - Insulation Sleeve: Thermoplastic material (e.g., PA66) for insulated types - Barrel Design: Precision-engineered inner diameter matching specific wire gauges

4. Key Technical Specifications

ParameterSignificance
Conductor Cross-Section Range (0.2-6 mm )Determines current-carrying capacity and wire compatibility
Rated Current (5-30 A)Defines maximum operational current under standard conditions
Crimping Force (50-200 N)Affects connection reliability and cold welding prevention
Temperature Range (-40 C to +120 C)Specifies operational limits in different environments
Material Hardness (60-90 HV)Influences durability and resistance to deformation

5. Application Fields

Primary industries include: - Industrial automation (PLC control cabinets, CNC machines) - Energy systems (solar inverters, wind turbine controllers) - Transportation (railway signaling systems, commercial vehicle wiring) - Building technology (HVAC systems, smart grid interfaces)

6. Leading Manufacturers & Products

ManufacturerRepresentative Product
Phoenix ContactMAU-SET series ferrules with push-in technology
Weidm llerKLUEGO color-coded ferrules for rail applications
TE ConnectivityDynamic ferrules for automotive vibration environments
WAGOTOPJOB S ferrules with integrated test points

7. Selection Recommendations

Key considerations: - Match ferrule inner diameter to stripped wire length (typically 0.5-1.0 mm tolerance) - Select material based on environmental factors (e.g., tin-plated for humid environments) - Consider insulation requirements per IEC 61558-1 standards - Verify compatibility with terminal block clamping mechanisms - For high-vibration applications, choose double-crimped designs

8. Industry Trends

Current developments include: - Miniaturization for PCB-mounted terminal blocks (down to 2.5 mm pitch) - Integration with smart diagnostic systems (e.g., temperature-sensing ferrules) - Adoption of halogen-free materials for improved fire safety - Development of hybrid ferrules combining power and signal transmission - Increased use of automated crimping systems in production lines

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