Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
3200904

3200904

Phoenix Contact

CONN FERRULE DIN 18AWG RED

162557000

3200344

3200344

Phoenix Contact

CONN FERRULE DIN 8AWG SILVER

90

9004190000

9004190000

Weidmuller

CONN FERRULE 2AWG 1=100PC

26

3240664

3240664

Phoenix Contact

CONN FERRULE 18AWG GRAY

0

0565700000

0565700000

Weidmuller

CONN FERRULE DIN 10AWG BLK 100PC

17292

F85-15-C

F85-15-C

Panduit Corporation

CONN FERRULE DIN 4AWG

17457600

F83-18-D

F83-18-D

Panduit Corporation

CONN FERRULE DIN 8AWG

1913106500

3200069

3200069

Phoenix Contact

CONN FERRULE 14AWG GRAY

735738200

3201534

3201534

Phoenix Contact

CONN FERRULE 18MM LENGTH BLACK

10700

11161250

11161250

American Electrical, Inc.

CONN FERRULE DIN 4AWG YELLOW

1120

FTD77-8-D

FTD77-8-D

Panduit Corporation

CONN FERRULE DIN TWO X 18AWG RED

147

3241125

3241125

Phoenix Contact

CONN FERRULE W TYPE 16AWG RED

0

101050

101050

American Electrical, Inc.

CONN FERRULE DIN 22AWG WHITE

6107

9037480000

9037480000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 500PC

52

9026080000

9026080000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

720

13141100

13141100

American Electrical, Inc.

CONN FERRULE DIN TWO X 8AWG RED

1757

9004150000

9004150000

Weidmuller

CONN FERRULE 6AWG 1=100PC

10

9004760000

9004760000

Weidmuller

CONN FERRL DIN 2X17AWG RED 500PC

1518

F92-32-L

F92-32-L

Panduit Corporation

CONN FERRULE 300 MCM

18400

3201026

3201026

Phoenix Contact

CONN FERRULE TWO X 8AWG RED

1001000

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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