Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
2398.0

2398.0

Conta-Clip

H 0,75/12 WH

6486

2218.0

2218.0

Conta-Clip

H 0,75/10

9890

3014.0

3014.0

Conta-Clip

HZL 1,5 L RD

818

2620.0

2620.0

Conta-Clip

H 0,25/10 LB

1707

2222.0

2222.0

Conta-Clip

H 1,5/10

8129

2267.0

2267.0

Conta-Clip

H 25,0/30 BN

975

3119.0

3119.0

Conta-Clip

H 1,0/16 YE

8700

2845.0

2845.0

Conta-Clip

H 2,5/14-D BU

8825

2389.0

2389.0

Conta-Clip

H 10,0/15

2460

2201.0

2201.0

Conta-Clip

H 0,5/14 OG

8520

2998.0

2998.0

Conta-Clip

HZL 2,5 L-D BU

563

3099.0

3099.0

Conta-Clip

H 1,5/18

5940

2868.0

2868.0

Conta-Clip

H 0,75/16-D GR

4694

2848.0

2848.0

Conta-Clip

H 4,0/18-D GR

4058

3031.0

3031.0

Conta-Clip

FERRULES

0

2228.0

2228.0

Conta-Clip

FERRULES

0

2393.0

2393.0

Conta-Clip

FERRULES

0

3108.0

3108.0

Conta-Clip

FERRULES

0

3106.0

3106.0

Conta-Clip

FERRULES

0

1059.0

1059.0

Conta-Clip

FERRULES

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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