Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9028200000

9028200000

Weidmuller

CONN FERRULE 2/0AWG YLW 1=25PC

28

9019050000

9019050000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

1738

9004190000

9004190000

Weidmuller

CONN FERRULE 2AWG 1=100PC

26

0565700000

0565700000

Weidmuller

CONN FERRULE DIN 10AWG BLK 100PC

17292

9037480000

9037480000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 500PC

52

9026080000

9026080000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

720

9004150000

9004150000

Weidmuller

CONN FERRULE 6AWG 1=100PC

10

9004760000

9004760000

Weidmuller

CONN FERRL DIN 2X17AWG RED 500PC

1518

0282700000

0282700000

Weidmuller

CONN FERRULE 18AWG 1=1000PC

135

9019180000

9019180000

Weidmuller

CONN FERRULE DIN 14AWG BLU 500PC

4

1076980000

1076980000

Weidmuller

H 0.5/18 OR QTY 1=BAG OF 500PC

6

9037260000

9037260000

Weidmuller

CONN FERRULE 2 X 17AWG YLW 500PC

3

9019140000

9019140000

Weidmuller

CONN FERRULE DIN 16AWG BLK 500PC

252

0565800000

0565800000

Weidmuller

H 10.0/27 IVORY

2513

0373100000

0373100000

Weidmuller

CONN FERRULE 12AWG 1=500PC

4

9037400000

9037400000

Weidmuller

CONN FERRL DIN 2X20AWG WHT 500PC

202

9021010000

9021010000

Weidmuller

CONN FERRULE 24AWG YLW 1=500PC

4

9021130000

9021130000

Weidmuller

CONN FERRULE 10AWG GREEN 1=100PC

3031

9019400000

9019400000

Weidmuller

CONN FERRULE DIN 20AWG WHT 500PC

623

0444200000

0444200000

Weidmuller

H 50/37 OLIVE 1=50 PCS

2

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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