Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
123211850

123211850

American Electrical, Inc.

CONN FERRULE DIN 350 MCM

238

MC1050

MC1050

American Electrical, Inc.

CONN FERRULE DIN 22AWG WHITE

1000

1162014

1162014

American Electrical, Inc.

CONN FERRULE W TYPE 26-28AWG GRY

5188

1182015

1182015

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

9416

121010250

121010250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

11355

MC2150

MC2150

American Electrical, Inc.

CONN FERRULE W TYPE 16AWG RED

1000

12810250

12810250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

6632

13161160

13161160

American Electrical, Inc.

CONN FERRULE DIN TWO X 6AWG BLUE

0

121010100

121010100

American Electrical, Inc.

CONN FERRULE DIN 18AWG

12747

12610075

12610075

American Electrical, Inc.

CONN FERRULE DIN 20AWG

8977

13101010

13101010

American Electrical, Inc.

CONN FERRULE DIN TWO X 18AWG RED

4651

12810050

12810050

American Electrical, Inc.

CONN FERRULE DIN 20AWG

57834

101150

101150

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

0

1215125

1215125

American Electrical, Inc.

CONN FERRULE DIN 4AWG

2514

11101050

11101050

American Electrical, Inc.

CONN FERRULE DIN 20-24AWG WHITE

14578

1182075

1182075

American Electrical, Inc.

CONN FERRULE W TYPE 20-22AWG WHT

0

11121015

11121015

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

7818

11810025

11810025

American Electrical, Inc.

CONN FERRULE DIN 24-26AWG YELLOW

14684

1161075

1161075

American Electrical, Inc.

CONN FERRULE DIN 20-22AWG GRAY

8328

1218116

1218116

American Electrical, Inc.

CONN FERRULE DIN 6AWG

402

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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