Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1181050

1181050

American Electrical, Inc.

CONN FERRULE DIN 20-24AWG WHITE

72251

9021210000

9021210000

Weidmuller

CONN FERRULE 24AWG YLW 1=500PC

52

2-966067-6

2-966067-6

TE Connectivity AMP Connectors

CONN FERRULE DIN 5AWG BLUE

3673

9004340000

9004340000

Weidmuller

CONN FERRULE 16AWG RED 1=500PC

17231

2868.0/100

2868.0/100

Altech Corporation

H0.75/10D DIN STD18AWG INSULATED

7005000

3200920

3200920

Phoenix Contact

CONN FERRULE DIN/W TYP 14AWG BLU

322

216-264

216-264

WAGO

FERRULE; SLEEVE FOR 1.5 MM / AWG

740

F81-9-M

F81-9-M

Panduit Corporation

CONN FERRULE DIN 12AWG

48026000

3201330

3201330

Phoenix Contact

CONN FERRULE DIN 6AWG GREEN

121300

3200043

3200043

Phoenix Contact

CONN FERRULE DIN 16AWG BLACK

2147483647

F90-25-L

F90-25-L

Panduit Corporation

CONN FERRULE 3/0AWG

404250

3200975

3200975

Phoenix Contact

CONN FERRULE TWO X 18AWG GRAY

5396600

3201372

3201372

Phoenix Contact

CONN FERRULE 18AWG GRAY

705114000

F92-38-L

F92-38-L

Panduit Corporation

CONN FERRULE 300 MCM

1001100

FTD76-10-D

FTD76-10-D

Panduit Corporation

CONN FERRULE DIN TWO X 20AWG GRY

2147483647

2210.0

2210.0

Conta-Clip

H 6,0/20 BK

18000

9019220000

9019220000

Weidmuller

CONN FERRULE DIN 10AWG YLW 100PC

7127

3201107

3201107

Phoenix Contact

CONN FERRULE DIN 10AWG BLACK

1675923300

3200823

3200823

Phoenix Contact

CONN FERRULE TWO X 16AWG BLACK

632220900

2214.0

2214.0

Conta-Clip

H 16,0/22 GN

1330

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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