Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
11122100

11122100

American Electrical, Inc.

CONN FERRULE W TYPE 8AWG IVORY

10299

1161034

1161034

American Electrical, Inc.

CONN FERRULE DIN 22-24AWG TURQ

47667

13102010

13102010

American Electrical, Inc.

CONN FERRULE W TYPE 2X18AWG YLW

1097

11182040

11182040

American Electrical, Inc.

CONN FERRULE W TYPE 12AWG GRAY

250

1181025

1181025

American Electrical, Inc.

CONN FERRULE DIN 14AWG BLUE

37554

1181014

1181014

American Electrical, Inc.

CONN FERRULE DIN 26-28AWG GRAY

10196

1232170

1232170

American Electrical, Inc.

CONN FERRULE DIN 2/0AWG

239

12810075

12810075

American Electrical, Inc.

CONN FERRULE DIN 20AWG

1123

1382010

1382010

American Electrical, Inc.

CONN FERRULE W TYPE 2X18AWG YLW

4622

11630025

11630025

American Electrical, Inc.

CONN FERRULE T TYPE 24-26AWG VIO

1632

102150

102150

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

0

11122060

11122060

American Electrical, Inc.

CONN FERRULE W TYPE 10AWG BLACK

1818

11121010

11121010

American Electrical, Inc.

CONN FERRULE DIN 18AWG RED

14270

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

11101040

11101040

American Electrical, Inc.

CONN FERRULE DIN 12AWG GRAY

22996

MC2075

MC2075

American Electrical, Inc.

CONN FERRULE W TYPE 20AWG WHITE

1000

11122015

11122015

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

1682

11182060

11182060

American Electrical, Inc.

CONN FERRULE W TYPE 10AWG BLACK

280

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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