Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1200106

1200106

Phoenix Contact

CONN FERRULE DIN 18AWG RED

2147483647

9028280000

9028280000

Weidmuller

CONN FERRULE 18AWG WHITE 500PC

27

966144-7

966144-7

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 16AWG BLK

4507

FSD76-8-D

FSD76-8-D

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

2147483647

3200108

3200108

Phoenix Contact

CONN FERRULE 10AWG GREEN

346012500

3200454

3200454

Phoenix Contact

CONN FERRULE DIN 1/0AWG BLUE

1893250

966067-5

966067-5

TE Connectivity AMP Connectors

CONN FERRULE DIN 18AWG GRAY

5942

1225170

1225170

American Electrical, Inc.

CONN FERRULE DIN 2/0AWG

0

60175

60175

Swanstrom Tools

FERRULES GRY 0.75MM 50X10 STRIPS

7

9018510000

9018510000

Weidmuller

CONN FERRL DIN 2X18AWG WHT 500PC

6113

2202.0

2202.0

Conta-Clip

H 0,75/14 WH

12236

9028200000

9028200000

Weidmuller

CONN FERRULE 2/0AWG YLW 1=25PC

28

F84-18-TL

F84-18-TL

Panduit Corporation

CONN FERRULE DIN 6AWG

61529500

1182034

1182034

American Electrical, Inc.

CONN FERRULE W TYP 22-24AWG TURQ

2328

3200140

3200140

Phoenix Contact

CONN FERRULE DIN 6AWG WHITE

305

FSD80-18-D

FSD80-18-D

Panduit Corporation

CONN FERRULE DIN 14AWG BLUE

6382000

3201369

3201369

Phoenix Contact

CONN FERRULE 20AWG WHITE

22000

9019050000

9019050000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

1738

1241002-1

1241002-1

TE Connectivity AMP Connectors

CONN FERRULE DIN 17AWG RED

0

1-966067-6

1-966067-6

TE Connectivity AMP Connectors

CONN FERRULE DIN 14AWG BLUE

21128

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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