Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
13101075

13101075

American Electrical, Inc.

CONN FERRULE DIN TWO X 20AWG GRY

2486

3202520

3202520

Phoenix Contact

CONN FERRULE DIN 10AWG SILVER

795

0542500000

0542500000

Weidmuller

CONN FERRULE 18AWG 1=1000PC

0

MC1150

MC1150

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

1000

1181208

1181208

American Electrical, Inc.

CONN FERRULE DIN 14AWG YELLOW

5104

9004100000

9004100000

Weidmuller

CONN FERRULE 12AWG 1=500PC

77

3201136

3201136

Phoenix Contact

CONN FERRULE W TYPE 16AWG RED

1452047700

F81-20-M

F81-20-M

Panduit Corporation

CONN FERRULE DIN 12AWG

775

FSD75-8-K

FSD75-8-K

Panduit Corporation

CONN FERRULE DIN 20AWG WHITE

1337071000

MC2100

MC2100

American Electrical, Inc.

CONN FERRULE W TYPE 18AWG YELLOW

2000

3201301

3201301

Phoenix Contact

CONN FERRULE DIN 20AWG ORANGE

374918300

9037530000

9037530000

Weidmuller

CONN FERRL DIN 2X12AWG GRY 100PC

35618

FSDXL84-12-C

FSDXL84-12-C

Panduit Corporation

CONN FERRULE DIN 6AWG BLUE

390

3200182

3200182

Phoenix Contact

CONN FERRULE DIN 18AWG RED

34549900

1241000-1

1241000-1

TE Connectivity AMP Connectors

CONN FERRULE DIN 20AWG WHITE

0

2797.0/100

2797.0/100

Altech Corporation

CONN FERRULE DIN TWO X 16AWG BLK

421

3031.0

3031.0

Conta-Clip

FERRULES

0

11123075

11123075

American Electrical, Inc.

CONN FERRULE T TYPE 20-22AWG BLU

0

2228.0

2228.0

Conta-Clip

FERRULES

0

2222.5

2222.5

Altech Corporation

H1.50/12 UNINSULATED16AWG FERRUL

1000

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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