Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9026100000

9026100000

Weidmuller

CONN FERRULE 14AWG BLUE 1=500PC

35348

9026030000

9026030000

Weidmuller

CONN FERRULE 22AWG TURQS 500PC

158

0409700000

0409700000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

328

9037280000

9037280000

Weidmuller

CONN FERRULE 2 X 17AWG YLW 500PC

31

9046230000

9046230000

Weidmuller

CONN FERRULE 14AWG BLUE 1=500PC

82

9004410000

9004410000

Weidmuller

CONN FERRULE 2 X 16AWG RED 500PC

1240

0373000000

0373000000

Weidmuller

CONN FERRULE 14AWG 1=1000PC

414

9204090000

9204090000

Weidmuller

CONN FERRULE 22AWG TURQ 1=500PC

869

9026090000

9026090000

Weidmuller

CONN FERRULE 16AWG RED 1=500PC

141

9025750000

9025750000

Weidmuller

CONN FERRULE 22AWG TURQ 1=500PC

20

9019280000

9019280000

Weidmuller

CONN FERRULE 3AWG YELLOW 1=50PC

37

9202820000

9202820000

Weidmuller

CONN FERRULE 2 X 18AWG WHT 500PC

93

0690700000

0690700000

Weidmuller

CONN FERRULE 20AWG ORNGE 1=500PC

51372

9018530000

9018530000

Weidmuller

CONN FERRULE 2 X 17AWG YLW 500PC

49

9019060000

9019060000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

4272

0492500000

0492500000

Weidmuller

H 16.0/12 6AWG UNINSLTD 1=500PCS

631

9037560000

9037560000

Weidmuller

CONN FERRL DIN 2X10AWG YLW 100PC

111

9004170000

9004170000

Weidmuller

CONN FERRULE 3AWG 1=250PC

4

9004360000

9004360000

Weidmuller

CONN FERRULE DIN 14AWG BLU 500PC

1788

0565900000

0565900000

Weidmuller

CONN FERRULE 6AWG GREEN 1=100PC

1011

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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