Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1162075

1162075

American Electrical, Inc.

CONN FERRULE W TYPE 20-22AWG WHT

7088

0282700000

0282700000

Weidmuller

CONN FERRULE 18AWG 1=1000PC

135

121510600

121510600

American Electrical, Inc.

CONN FERRULE DIN 10AWG

800

3200289

3200289

Phoenix Contact

CONN FERRULE DIN 14AWG SILVER

3635

2776.0/100

2776.0/100

Altech Corporation

CONN FERRULE DIN TWO X 18AWG RED

193910100

121210150

121210150

American Electrical, Inc.

CONN FERRULE DIN 16AWG

1032

9019180000

9019180000

Weidmuller

CONN FERRULE DIN 14AWG BLU 500PC

4

3200263

3200263

Phoenix Contact

CONN FERRULE DIN 16AWG SILVER

1379

3201152

3201152

Phoenix Contact

CONN FERRULE W TYPE 6AWG GREEN

27300

11181015

11181015

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

1637

1076980000

1076980000

Weidmuller

H 0.5/18 OR QTY 1=BAG OF 500PC

6

F80-15-M

F80-15-M

Panduit Corporation

CONN FERRULE DIN 14AWG

2897000

2841.0/100

2841.0/100

Altech Corporation

H1.50/8D DIN STD16AWG INSULATED

45411800

3200221

3200221

Phoenix Contact

CONN FERRULE DIN 18AWG SILVER

102

3201123

3201123

Phoenix Contact

CONN FERRULE DIN 20AWG ORANGE

5179

3200276

3200276

Phoenix Contact

CONN FERRULE DIN 16AWG SILVER

268045000

216-302

216-302

WAGO

FERRULE; SLEEVE FOR 0.34 MM / 22

1880

2221.0

2221.0

Conta-Clip

H 1,5/7

9588

9037260000

9037260000

Weidmuller

CONN FERRULE 2 X 17AWG YLW 500PC

3

9019140000

9019140000

Weidmuller

CONN FERRULE DIN 16AWG BLK 500PC

252

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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