Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9025970000

9025970000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

4647

11181100

11181100

American Electrical, Inc.

CONN FERRULE DIN 8AWG RED

495

F80-18-M

F80-18-M

Panduit Corporation

CONN FERRULE DIN 14AWG

655024000

9037470000

9037470000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 500PC

267

3200027

3200027

Phoenix Contact

CONN FERRULE 18AWG BLUE

440022900

216-266

216-266

WAGO

FERRULE; SLEEVE FOR 2.5 MM / AWG

1700

3240679

3240679

Phoenix Contact

CONN FERRULE AI TWIN 2X1-12 RED

5826900

V30AE000006

V30AE000006

Z+F USA Inc.

FERRULES, INSULATED; ZF, 0.50/8

24500

966144-3

966144-3

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 18AWG GRY

5573

FSD76-12-D

FSD76-12-D

Panduit Corporation

CONN FERRULE DIN 20AWG GRAY

62517500

9021040000

9021040000

Weidmuller

CONN FERRULE 18AWG BLUE 1=500PC

830

FSDX75-8-D

FSDX75-8-D

Panduit Corporation

CONN FERRULE DIN 20AWG WHITE

5570

966067-4

966067-4

TE Connectivity AMP Connectors

CONN FERRULE DIN 18AWG GRAY

24616

3200849

3200849

Phoenix Contact

CONN FERRULE DIN 18AWG GRAY

110613200

1-966067-7

1-966067-7

TE Connectivity AMP Connectors

CONN FERRULE DIN 14AWG BLUE

8531

0534200000

0534200000

Weidmuller

CONN FERRULE 7AWG IVORY 1=100PC

8229

V30AE000041

V30AE000041

Z+F USA Inc.

FERRULES, INSULATED; DIN, 0.75/8

14500

FSD72-6-D

FSD72-6-D

Panduit Corporation

CONN FERRULE DIN 26AWG GRAY

2147483647

FTD82-14-C

FTD82-14-C

Panduit Corporation

CONN FERRULE DIN TWO X 10AWG YLW

1238300

9004290000

9004290000

Weidmuller

CONN FERRULE 18AWG WHITE 1=500PC

822

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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