Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1200105

1200105

Phoenix Contact

CONN FERRULE DIN 18AWG GRAY

42428500

9005850000

9005850000

Weidmuller

CONN FERRUL DIN 14AWG BLU 3000PC

11

13122015

13122015

American Electrical, Inc.

CONN FERRULE W TYP 2 X 16AWG RED

483

3240669

3240669

Phoenix Contact

CONN FERRULE TWO X 14AWG GRAY

0

9025860000

9025860000

Weidmuller

CONN FERRULE 18AWG WHITE 1=500PC

118

F91-40-L

F91-40-L

Panduit Corporation

CONN FERRULE 4/0AWG

193

0463000000

0463000000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

85219

9025780000

9025780000

Weidmuller

CONN FERRULE 24AWG BLUE 1=500PC

1428

2225.0/100

2225.0/100

Altech Corporation

CONN FERRULE 12AWG SILVER

77210200

11122025

11122025

American Electrical, Inc.

CONN FERRULE W TYPE 14AWG BLUE

649

1208966

1208966

Phoenix Contact

CONN FERRULE 20AWG WHITE

495

2229.0/100

2229.0/100

Altech Corporation

CONN FERRULE 8AWG SILVER

5083000

FSD77-8-DSL2

FSD77-8-DSL2

Panduit Corporation

CONN FERRULE DIN 18AWG RED

705067500

3200409

3200409

Phoenix Contact

CONN FERRULE DIN 2AWG SILVER

105

13102075

13102075

American Electrical, Inc.

CONN FERRULE W TYPE 2X20AWG WHT

2082

11181160

11181160

American Electrical, Inc.

CONN FERRULE DIN 6AWG BLUE

0

F74-5-M

F74-5-M

Panduit Corporation

CONN FERRULE DIN 22-24AWG

25955000

11121060

11121060

American Electrical, Inc.

CONN FERRULE DIN 10AWG YELLOW

22156

2208.0/100

2208.0/100

Altech Corporation

CONN FERRULE 12AWG GRAY

176114100

1232195

1232195

American Electrical, Inc.

CONN FERRULE DIN 3/0AWG

149

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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