Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9037380000

9037380000

Weidmuller

CONN FERRL DIN 2X20AWG WHT 500PC

114

2201.0/100

2201.0/100

Altech Corporation

CONN FERRULE 20AWG ORANGE

128927700

FSD92-32-Q

FSD92-32-Q

Panduit Corporation

CONN FERRULE DIN 300 MCM YELLOW

751275

F78-7-M

F78-7-M

Panduit Corporation

CONN FERRULE DIN 16AWG

330064000

3203053

3203053

Phoenix Contact

CONN FERRULE 22AWG TURQUOISE

1984659700

11182060

11182060

American Electrical, Inc.

CONN FERRULE W TYPE 10AWG BLACK

280

121210250

121210250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

34411

9021100000

9021100000

Weidmuller

CONN FERRULE 12AWG ORNGE 1=500PC

210

11121025

11121025

American Electrical, Inc.

CONN FERRULE DIN 14AWG BLUE

17351

0124300000

0124300000

Weidmuller

CONN FERRULE 6AWG 1=500PC

1

FSD78-8-D

FSD78-8-D

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

11236

2775.0/100

2775.0/100

Altech Corporation

CONN FERRULE DIN TWO X 18AWG GRY

4000

2389.0/100

2389.0/100

Altech Corporation

CONN FERRULE 8AWG SILVER

29113700

3201408

3201408

Phoenix Contact

CONN FERRULE 14AWG BLUE

500120000

FSD77-10-D

FSD77-10-D

Panduit Corporation

CONN FERRULE DIN 18AWG RED

2147483647

1382050

1382050

American Electrical, Inc.

CONN FERRULE W TYPE 2X20AWG ORG

22477

9004350000

9004350000

Weidmuller

CONN FERRULE DIN 16AWG BLK 500PC

1738

11620025

11620025

American Electrical, Inc.

CONN FERRULE W TYPE 24-26AWG BLU

9065

9037610000

9037610000

Weidmuller

CONN FERRULE 2X18AWG BLUE 500PC

1

966144-2

966144-2

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 18AWG GRY

17928

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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