Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
101250

101250

American Electrical, Inc.

CONN FERRULE DIN 14AWG BLUE

0

11181040

11181040

American Electrical, Inc.

CONN FERRULE DIN 12AWG GRAY

621

1382015

1382015

American Electrical, Inc.

CONN FERRULE W TYP 2 X 16AWG RED

442

11122075

11122075

American Electrical, Inc.

CONN FERRULE W TYPE 20-22AWG WHT

199

11122160

11122160

American Electrical, Inc.

CONN FERRULE W TYPE 6AWG GREEN

416

121810250

121810250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

615

12610050

12610050

American Electrical, Inc.

CONN FERRULE DIN 20AWG

12404

121210600

121210600

American Electrical, Inc.

CONN FERRULE DIN 10AWG

41395

1381050

1381050

American Electrical, Inc.

CONN FERRULE DIN TWO X 20AWG WHT

48783

1225195

1225195

American Electrical, Inc.

CONN FERRULE DIN 3/0AWG

293

1162034

1162034

American Electrical, Inc.

CONN FERRULE W TYP 22-24AWG TURQ

790

1183025

1183025

American Electrical, Inc.

CONN FERRULE T TYPE 14AWG GRAY

0

1381075

1381075

American Electrical, Inc.

CONN FERRULE DIN TWO X 20AWG GRY

9505

1182050

1182050

American Electrical, Inc.

CONN FERRULE W TYPE 20-24AWG ORG

18759

13142060

13142060

American Electrical, Inc.

CONN FERRULE W TYP 2X10AWG BLACK

0

12710025

12710025

American Electrical, Inc.

CONN FERRULE DIN 24AWG

28439

1218135

1218135

American Electrical, Inc.

CONN FERRULE DIN 2AWG

0

13101075

13101075

American Electrical, Inc.

CONN FERRULE DIN TWO X 20AWG GRY

2486

MC1150

MC1150

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

1000

1181208

1181208

American Electrical, Inc.

CONN FERRULE DIN 14AWG YELLOW

5104

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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