Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9037330000

9037330000

Weidmuller

CONN FERRULE 2 X 10AWG BLK 100PC

6

9019030000

9019030000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

819

3203040

3203040

Phoenix Contact

CONN FERRULE 24AWG BLUE

2147483647

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

3201929

3201929

Phoenix Contact

CONN FERRULE 14AWG BLUE

0

3200580

3200580

Phoenix Contact

CONN FERRULE DIN/W TYP 14AWG BLU

1556400

3201071

3201071

Phoenix Contact

CONN FERRULE W TYPE 2AWG BEIGE

40750

216-542

216-542

WAGO

TWIN FERRULE; SLEEVE FOR 2 X 1 M

1400

FSDXL78-10-C

FSDXL78-10-C

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

750800

966066-2

966066-2

TE Connectivity AMP Connectors

CONN FERRULE DIN 23AWG BLUE

0

1208982

1208982

Phoenix Contact

CONN FERRULE 18AWG RED

0

9004750000

9004750000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 500PC

7

F78-8-M

F78-8-M

Panduit Corporation

CONN FERRULE DIN 16AWG

2147483647

9021070000

9021070000

Weidmuller

CONN FERRULE 14AWG GRAY 1=500PC

810

F73-5-M

F73-5-M

Panduit Corporation

CONN FERRULE DIN 24AWG

373222000

12710025

12710025

American Electrical, Inc.

CONN FERRULE DIN 24AWG

28439

1218135

1218135

American Electrical, Inc.

CONN FERRULE DIN 2AWG

0

3200085

3200085

Phoenix Contact

CONN FERRULE 12AWG ORANGE

18389900

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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