Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
0124400000

0124400000

Weidmuller

WIRE END FERRULES 4AWG 1=250PC

267262

9019250000

9019250000

Weidmuller

CONN FERRULE DIN 7AWG RED 100PC

2911

9037490000

9037490000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 100PC

207

0317300000

0317300000

Weidmuller

H 35.0/39 2AWG INS BEIGE 1=50PCS

40

9004440000

9004440000

Weidmuller

CONN FERRULE 2 X 20AWG ORG 500PC

327

0282600000

0282600000

Weidmuller

CONN FERRULE 20AWG 1=1000PC

2889

9019260000

9019260000

Weidmuller

CONN FERRULE DIN 6AWG BLU 100PC

0

9037200000

9037200000

Weidmuller

CONN FERRULE 2 X 20AWG ORG 500PC

72

9021110000

9021110000

Weidmuller

CONN FERRULE 12AWG ORNGE 1=500PC

6

0317100000

0317100000

Weidmuller

FERRULE DIN BROWN 3AWG 1=50PC

19

0372700000

0372700000

Weidmuller

CONN FERRULE 16AWG 1=1000PC

138

9019200000

9019200000

Weidmuller

CONN FERRULE 12AWG GRAY 1=500PC

6843

0191900000

0191900000

Weidmuller

CONN FERRULE 10AWG 1=500PC

752

9037520000

9037520000

Weidmuller

CONN FERRL DIN 2X14AWG BLU 100PC

98

9025880000

9025880000

Weidmuller

CONN FERRULE 1AWG 1=100PC

64

9037220000

9037220000

Weidmuller

CONN FERRULE 2 X 20AWG ORG 500PC

43

9004780000

9004780000

Weidmuller

CONN FERRL DIN 2X20AWG WHT 500PC

34

9004730000

9004730000

Weidmuller

CONN FERRL DIN 2X12AWG GRY 100PC

1471

0463100000

0463100000

Weidmuller

CONN FERRULE 16AWG RED 1=500PC

143

0375300000

0375300000

Weidmuller

CONN FERRULE 3AWG 1=100PC

925

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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