Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
75/15VZ

75/15VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 10AWG

0

3240545

3240545

Phoenix Contact

CONN FERRULE 16AWG WHITE

0

3200739

3200739

Phoenix Contact

CONN FERRULE 4AWG BLACK

0

3241240

3241240

Phoenix Contact

CONN FERRULE DIN 1/0AWG SILVER

0

2867.0

2867.0

Altech Corporation

H0.75/8D DIN STD18AWG INSULATED

6500

9005900000

9005900000

Weidmuller

CONN FERRULE 18AWG BLUE 1=5000PC

0

MC3075

MC3075

American Electrical, Inc.

CONN FERRULE T TYPE 20AWG BLUE

0

469/8

469/8

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 20AWG WHITE

0

2213.0

2213.0

Conta-Clip

FERRULES

0

2-1567115-6

2-1567115-6

TE Connectivity AMP Connectors

50-19908=FERRULE, #18 AWG, WHI

0

11103050

11103050

American Electrical, Inc.

CONN FERRULE T TYPE 20-24AWG WHT

0

2215.0

2215.0

Conta-Clip

FERRULES

0

0936020023

0936020023

Woodhead - Molex

CONN FERRULE 17AWG YELLOW

0

3048.0

3048.0

Conta-Clip

FERRULES

0

1215110

1215110

American Electrical, Inc.

CONN FERRULE DIN 8AWG

555

0936020037

0936020037

Woodhead - Molex

CONN FERRULE 12AWG ORANGE

0

3077.0

3077.0

Conta-Clip

FERRULES

0

3111.0

3111.0

Conta-Clip

FERRULES

0

11183160

11183160

American Electrical, Inc.

CONN FERRULE T TYPE 6AWG WHITE

0

2777.0

2777.0

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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