Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1213200

1213200

Phoenix Contact

CONN FERRULE DIN 18AWG BLUE

0

3203147

3203147

Phoenix Contact

CONN FERRULE DIN/W TYP 14AWG BLU

0

3201364

3201364

Phoenix Contact

CONN FERRULE BLUE

0

3200360

3200360

Phoenix Contact

CONN FERRULE DIN 4AWG

0

1208872

1208872

Phoenix Contact

CONN FERRULE 16AWG BLACK

0

3201987

3201987

Phoenix Contact

CONN FERRULE 14AWG BLUE

0

3240544

3240544

Phoenix Contact

CONN FERRULE 18AWG RED

3120

3201178

3201178

Phoenix Contact

CONN FERRULE DIN 1/0AWG OLIVE

0

3240250

3240250

Phoenix Contact

CONN FERRULE 22AWG BLUE

0

3201945

3201945

Phoenix Contact

CONN FERRULE 10AWG YELLOW

0

3200153

3200153

Phoenix Contact

CONN FERRULE 5AWG WHITE

100

3201547

3201547

Phoenix Contact

CONN FERRULE 18AWG BLUE

0

3240572

3240572

Phoenix Contact

CONN FERRULE 14AWG BLUE

0

3201974

3201974

Phoenix Contact

CONN FERRULE 16AWG BLACK

0

3201958

3201958

Phoenix Contact

CONN FERRULE 8AWG RED

400

3241129

3241129

Phoenix Contact

CONN FERRULE TURQUOISE

0

3202821

3202821

Phoenix Contact

CONN FERRULE DIN 14AWG SILVER

0

3202601

3202601

Phoenix Contact

CONN FERRULE DIN 16AWG

0

3201916

3201916

Phoenix Contact

CONN FERRULE 16AWG BLACK

0

3240667

3240667

Phoenix Contact

CONN FERRULE 14AWG BLUE

0

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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