Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1232150

1232150

American Electrical, Inc.

CONN FERRULE DIN 1AWG

211

966066-3

966066-3

TE Connectivity AMP Connectors

CONN FERRULE DIN 22AWG TURQUOISE

13467

2216.0/100

2216.0/100

Altech Corporation

CONN FERRULE 20AWG SILVER

2147483647

1182208

1182208

American Electrical, Inc.

CONN FERRULE W TYPE 14AWG YELLOW

2408

1241004-1

1241004-1

TE Connectivity AMP Connectors

CONN FERRULE DIN 14AWG BLUE

0

3200373

3200373

Phoenix Contact

CONN FERRULE DIN 4AWG SILVER

80

2267.0

2267.0

Conta-Clip

H 25,0/30 BN

975

121010400

121010400

American Electrical, Inc.

CONN FERRULE DIN 12AWG

12116

2401.0/100

2401.0/100

Altech Corporation

H2.5/12 INSULATED14AWG BLUEFERRU

43139800

3200962

3200962

Phoenix Contact

CONN FERRULE DIN 14AWG BLUE

38381800

F77-12-M

F77-12-M

Panduit Corporation

CONN FERRULE DIN 18AWG

242417000

0492500000

0492500000

Weidmuller

H 16.0/12 6AWG UNINSLTD 1=500PCS

631

9037560000

9037560000

Weidmuller

CONN FERRL DIN 2X10AWG YLW 100PC

111

966144-8

966144-8

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 14AWG BLU

7250

FSD77-8-3K2

FSD77-8-3K2

Panduit Corporation

CONN FERRULE DIN 18AWG RED

2147483647

11121100

11121100

American Electrical, Inc.

CONN FERRULE DIN 8AWG RED

6299

121210100

121210100

American Electrical, Inc.

CONN FERRULE DIN 18AWG

3650

9004170000

9004170000

Weidmuller

CONN FERRULE 3AWG 1=250PC

4

3200645

3200645

Phoenix Contact

CONN FERRULE 22AWG TURQUOISE

16354000

F82-12-M

F82-12-M

Panduit Corporation

CONN FERRULE DIN 10AWG

364613000

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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