Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1200104

1200104

Phoenix Contact

CONN FERRULE DIN 20AWG WHITE

17893500

2388.0/100

2388.0/100

Altech Corporation

CONN FERRULE 10AWG SILVER

3942500

3201385

3201385

Phoenix Contact

CONN FERRULE 18AWG RED

2147483647

9037200000

9037200000

Weidmuller

CONN FERRULE 2 X 20AWG ORG 500PC

72

9021110000

9021110000

Weidmuller

CONN FERRULE 12AWG ORNGE 1=500PC

6

3200690

3200690

Phoenix Contact

CONN FERRULE DIN 18AWG GRAY

157658000

216-209

216-209

WAGO

FERRULE; SLEEVE FOR 10 MM / AWG

1230

F93-32-Q

F93-32-Q

Panduit Corporation

CONN FERRULE 350 MCM

85

0317100000

0317100000

Weidmuller

FERRULE DIN BROWN 3AWG 1=50PC

19

1182010

1182010

American Electrical, Inc.

CONN FERRULE W TYPE 18AWG YELLOW

30896

3119.0

3119.0

Conta-Clip

H 1,0/16 YE

8700

3200072

3200072

Phoenix Contact

CONN FERRULE 14AWG GRAY

276

11102015

11102015

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

1200

3240663

3240663

Phoenix Contact

CONN FERRULE 20AWG WHITE

0

2845.0

2845.0

Conta-Clip

H 2,5/14-D BU

8825

0372700000

0372700000

Weidmuller

CONN FERRULE 16AWG 1=1000PC

138

9019200000

9019200000

Weidmuller

CONN FERRULE 12AWG GRAY 1=500PC

6843

FSD89-20-Q

FSD89-20-Q

Panduit Corporation

CONN FERRULE 2/0AWG YELLOW

23

11162250

11162250

American Electrical, Inc.

CONN FERRULE W TYPE 4AWG BROWN

391

FSD80-8-DK

FSD80-8-DK

Panduit Corporation

CONN FERRULE DIN 14AWG BLUE

30118000

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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