Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
11122100

11122100

American Electrical, Inc.

CONN FERRULE W TYPE 8AWG IVORY

10299

3203150

3203150

Phoenix Contact

CONN FERRULE 20AWG WHITE

426

3200577

3200577

Phoenix Contact

CONN FERRULE DIN 4AWG YELLOW

723900

0565800000

0565800000

Weidmuller

H 10.0/27 IVORY

2513

FSD83-12-C

FSD83-12-C

Panduit Corporation

CONN FERRULE DIN 8AWG RED

101473900

F81-12-M

F81-12-M

Panduit Corporation

CONN FERRULE DIN 12AWG

105574000

3200250

3200250

Phoenix Contact

CONN FERRULE DIN 18AWG SILVER

99259000

3200205

3200205

Phoenix Contact

CONN FERRULE 14AWG GRAY

4342700

0373100000

0373100000

Weidmuller

CONN FERRULE 12AWG 1=500PC

4

216-205

216-205

WAGO

FERRULE; SLEEVE FOR 2.08 MM / AW

3400

2396.0

2396.0

Altech Corporation

CONN FERRULE UNINSUL 2AWG

1353

FSDXL81-10-C

FSDXL81-10-C

Panduit Corporation

CONN FERRULE DIN 12AWG GRAY

9484200

3201589

3201589

Phoenix Contact

CONN FERRULE 18AWG YELLOW

1000104000

FSD76-6-D

FSD76-6-D

Panduit Corporation

CONN FERRULE DIN 20AWG GRAY

339649500

1161034

1161034

American Electrical, Inc.

CONN FERRULE DIN 22-24AWG TURQ

47667

FSD77-8-K

FSD77-8-K

Panduit Corporation

CONN FERRULE DIN 18AWG RED

3838

FSDX76-8-D

FSDX76-8-D

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

2147483647

9037400000

9037400000

Weidmuller

CONN FERRL DIN 2X20AWG WHT 500PC

202

3201110

3201110

Phoenix Contact

CONN FERRULE DIN 18AWG WHITE

43225500

9021010000

9021010000

Weidmuller

CONN FERRULE 24AWG YLW 1=500PC

4

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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