Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
0936020021

0936020021

Woodhead - Molex

CONN FERRULE 17AWG RED

0

0936020039

0936020039

Woodhead - Molex

CONN FERRULE 12AWG ORANGE

0

9202880000

9202880000

Weidmuller

CONN FERRULE 14AWG BLUE 1=100PC

1

3025.0

3025.0

Conta-Clip

FERRULES

0

2402.0

2402.0

Altech Corporation

CONN FERRULE 12AWG GRAY

11000

9004260000

9004260000

Weidmuller

CONN FERRULE 3/0AWG 1=50PC

0

0936020071

0936020071

Woodhead - Molex

BUSH TERMINAL

0

9028310000

9028310000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

0

0936020079

0936020079

Woodhead - Molex

BUSH TERMINAL

0

3201576

3201576

Phoenix Contact

CONN FERRULE 18AWG WHITE

0

11203500

11203500

American Electrical, Inc.

CONN FERRULE T TYPE 1AWG BLUE

0

3201563

3201563

Phoenix Contact

CONN FERRULE 20AWG ORANGE

0

9037340000

9037340000

Weidmuller

CONN FERRULE 2X7AWG IVORY 100PC

0

2-1567115-5

2-1567115-5

TE Connectivity AMP Connectors

50-19907=FERRULE, #14 AWG, BLU

0

2778.0

2778.0

Conta-Clip

FERRULES

0

74/15VZ

74/15VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 12AWG

0

3040.0

3040.0

Conta-Clip

FERRULES

0

2786.0

2786.0

Conta-Clip

FERRULES

0

2882.0

2882.0

Conta-Clip

FERRULES ON A ROLL

0

2859.0

2859.0

Conta-Clip

FERRULES

0

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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