Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
11121160

11121160

American Electrical, Inc.

CONN FERRULE DIN 6AWG BLUE

5060

121810150

121810150

American Electrical, Inc.

CONN FERRULE DIN 16AWG

945

1381015

1381015

American Electrical, Inc.

CONN FERRULE DIN TWO X 16AWG BLK

4378

FTD83-14-C

FTD83-14-C

Panduit Corporation

CONN FERRULE DIN 8AWG RED

3601300

9004080000

9004080000

Weidmuller

CONN FERRULE 14AWG 1=1000PC

3421

F80-7-M

F80-7-M

Panduit Corporation

CONN FERRULE DIN 14AWG

2147483647

2-966067-5

2-966067-5

TE Connectivity AMP Connectors

CONN FERRULE DIN 7AWG RED

14365

11101040

11101040

American Electrical, Inc.

CONN FERRULE DIN 12AWG GRAY

22996

V30AE000048

V30AE000048

Z+F USA Inc.

FERRULES, INSULATED; DIN / KDS,

24000

2869.0/100

2869.0/100

Altech Corporation

H0.75/12D DIN STD18AWG INSULATED

400

0375200000

0375200000

Weidmuller

CONN FERRULE 6AWG 1=100PC

0

2399.0

2399.0

Conta-Clip

H 1,0/12 YE

4541

MC2075

MC2075

American Electrical, Inc.

CONN FERRULE W TYPE 20AWG WHITE

1000

1333100000

1333100000

Weidmuller

CONN FERRULE 14AWG BLUE 1=500PC

947

3200331

3200331

Phoenix Contact

CONN FERRULE DIN 8AWG SILVER

336

966144-1

966144-1

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 20AWG WHT

6178

3202892

3202892

Phoenix Contact

CONN FERRULE 16AWG BLACK

217

9026060000

9026060000

Weidmuller

CONN FERRULE 20AWG ORNGE 1=500PC

1082

9004280000

9004280000

Weidmuller

CONN FERRULE DIN 20AWG WHT 500PC

1327

11122015

11122015

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

1682

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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