Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
11101010

11101010

American Electrical, Inc.

CONN FERRULE DIN 18AWG RED

74678

2391.0/100

2391.0/100

Altech Corporation

CONN FERRULE 6AWG SILVER

17563300

2623.0

2623.0

Altech Corporation

CONN FERRULE 22AWG TURQUOISE

2147483647

FSD75-8-3K10

FSD75-8-3K10

Panduit Corporation

CONN FERRULE DIN 20AWG WHITE

2147483647

3200807

3200807

Phoenix Contact

CONN FERRULE TWO X 18AWG GRAY

134526900

1161010

1161010

American Electrical, Inc.

CONN FERRULE DIN 18AWG RED

42897

3200674

3200674

Phoenix Contact

CONN FERRULE DIN 18AWG RED

2147483647

2217.0/100

2217.0/100

Altech Corporation

CONN FERRULE 18AWG SILVER

69910700

9004360000

9004360000

Weidmuller

CONN FERRULE DIN 14AWG BLU 500PC

1788

2394.0/100

2394.0/100

Altech Corporation

CONN FERRULE 4AWG SILVER

736900

1212125

1212125

American Electrical, Inc.

CONN FERRULE DIN 4AWG

850

1200164

1200164

Phoenix Contact

CONN FERRULE DIN 14AWG GRAY

450

216-301

216-301

WAGO

FERRULE; SLEEVE FOR 0.25 MM / AW

3595

FSD80-12-D

FSD80-12-D

Panduit Corporation

CONN FERRULE DIN 14AWG BLUE

3160

0565900000

0565900000

Weidmuller

CONN FERRULE 6AWG GREEN 1=100PC

1011

0124400000

0124400000

Weidmuller

WIRE END FERRULES 4AWG 1=250PC

267262

216-208

216-208

WAGO

FERRULE; SLEEVE FOR 6 MM / AWG 1

4770

1-966067-8

1-966067-8

TE Connectivity AMP Connectors

CONN FERRULE DIN 14AWG BLUE

7043

9019250000

9019250000

Weidmuller

CONN FERRULE DIN 7AWG RED 100PC

2911

9037490000

9037490000

Weidmuller

CONN FERRL DIN 2X16AWG BLK 100PC

207

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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