Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
0566000000

0566000000

Weidmuller

H 16.0/28 6AWG INS GRN 1=100PCS

9835

0565600000

0565600000

Weidmuller

H 1.5/24 16AWG INS RED 1=500PCS

67

3200810

3200810

Phoenix Contact

CONN FERRULE TWO X 18AWG RED

502459000

FSD82-12-C

FSD82-12-C

Panduit Corporation

CONN FERRULE DIN 10AWG YELLOW

2504900

1218110

1218110

American Electrical, Inc.

CONN FERRULE DIN 8AWG

3788

1161015

1161015

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

8963

2212.0

2212.0

Conta-Clip

H 10,0/22 IV

9890

3202588

3202588

Phoenix Contact

CONN FERRULE DIN 16AWG SILVER

660

MC2050

MC2050

American Electrical, Inc.

CONN FERRULE W TYPE 22AWG ORANGE

1000

216-244

216-244

WAGO

FERRULE; SLEEVE FOR 1.5 MM / AWG

0

121210400

121210400

American Electrical, Inc.

CONN FERRULE DIN 12AWG

5292

2220.0/100

2220.0/100

Altech Corporation

H1.00/10 UNINSULATED18AWG FERRUL

509914200

FSD74-8-D

FSD74-8-D

Panduit Corporation

CONN FERRULE DIN 24AWG TURQUOISE

2147483647

0372600000

0372600000

Weidmuller

CONN FERRULE 17AWG 1=1000PC

0

FSD78-18-D

FSD78-18-D

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

119631500

F77-7-M

F77-7-M

Panduit Corporation

CONN FERRULE DIN 18AWG

64943000

121210075

121210075

American Electrical, Inc.

CONN FERRULE DIN 20AWG

0

1163014

1163014

American Electrical, Inc.

CONN FERRULE T TYPE 26-28AWG BRN

3948

F86-18-C

F86-18-C

Panduit Corporation

CONN FERRULE DIN 2AWG

460

2846.0

2846.0

Conta-Clip

H 2,5/18-D BU

4950

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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