Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9025760000

9025760000

Weidmuller

CONN FERRULE 24AWG BLUE 1=500PC

0

11181250

11181250

American Electrical, Inc.

CONN FERRULE DIN 4AWG YELLOW

594

FSD80-8-D

FSD80-8-D

Panduit Corporation

CONN FERRULE DIN 14AWG BLUE

2147483647

121010050

121010050

American Electrical, Inc.

CONN FERRULE DIN 20AWG

5355

F77-8-M

F77-8-M

Panduit Corporation

CONN FERRULE DIN 18AWG

580533000

2228.0/100

2228.0/100

Altech Corporation

CONN FERRULE 8AWG SILVER

35876500

3203024

3203024

Phoenix Contact

CONN FERRULE 24AWG YELLOW

3658

12710100

12710100

American Electrical, Inc.

CONN FERRULE DIN 18AWG

13862

102050

102050

American Electrical, Inc.

CONN FERRULE W TYPE 22AWG ORANGE

9595

FTD76-8-D

FTD76-8-D

Panduit Corporation

CONN FERRULE DIN TWO X 20AWG GRY

129570500

3200328

3200328

Phoenix Contact

CONN FERRULE DIN 10AWG SILVER

152224500

FSD77-12-D

FSD77-12-D

Panduit Corporation

CONN FERRULE DIN 18AWG RED

2147483647

FSD75-10-D

FSD75-10-D

Panduit Corporation

CONN FERRULE DIN 22AWG WHITE

5228

2777.0/100

2777.0/100

Altech Corporation

CONN FERRULE DIN TWO X 16AWG BLK

29524900

3201097

3201097

Phoenix Contact

CONN FERRULE DIN 18AWG YELLOW

739530200

1212110

1212110

American Electrical, Inc.

CONN FERRULE DIN 8AWG

0

9004120000

9004120000

Weidmuller

CONN FERRULE 10AWG 1=500PC

111

FSD73-8-K

FSD73-8-K

Panduit Corporation

INSULATED FERRULES ON MINI-REEL,

1700351000

60125

60125

Swanstrom Tools

FERRULES BLUE 2.5MM 40X10 STRIPS

3

3200959

3200959

Phoenix Contact

CONN FERRULE DIN 12AWG GRAY

396871600

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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