Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9037230000

9037230000

Weidmuller

CONN FERRULE 2 X 18AWG WHT 500PC

18

0533500000

0533500000

Weidmuller

CONN FERRULE 10AWG BLACK 1=100PC

21974

9019110000

9019110000

Weidmuller

CONN FERRULE DIN 17AWG RED 500PC

5230

9021170000

9021170000

Weidmuller

CONN FERRULE 6AWG WHITE 1=100PC

342

9025930000

9025930000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

151

9004210000

9004210000

Weidmuller

CONN FERRULE 1AWG 1=100PC

67

9004300000

9004300000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

34

9037510000

9037510000

Weidmuller

CONN FERRL DIN 2X14AWG BLU 100PC

11

9019040000

9019040000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

87153

9005830000

9005830000

Weidmuller

CONN FERRULE 17AWG YLW 1=5000PC

313

9021950000

9021950000

Weidmuller

CONN FERRULE RED 1=500PC

6

9021210000

9021210000

Weidmuller

CONN FERRULE 24AWG YLW 1=500PC

52

9004340000

9004340000

Weidmuller

CONN FERRULE 16AWG RED 1=500PC

17231

9019220000

9019220000

Weidmuller

CONN FERRULE DIN 10AWG YLW 100PC

7127

9025770000

9025770000

Weidmuller

CONN FERRULE 22AWG TURQ 1=500PC

155847

9019340000

9019340000

Weidmuller

CONN FERRULE DIN 1AWG BLU 1=50PC

32

9019230000

9019230000

Weidmuller

CONN FERRULE DIN 10AWG YLW 100PC

4

9037550000

9037550000

Weidmuller

CONN FERRL DIN 2X10AWG YLW 100PC

43

9028280000

9028280000

Weidmuller

CONN FERRULE 18AWG WHITE 500PC

27

9018510000

9018510000

Weidmuller

CONN FERRL DIN 2X18AWG WHT 500PC

6113

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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