Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
1381010

1381010

American Electrical, Inc.

CONN FERRULE DIN TWO X 18AWG RED

25326

1181075

1181075

American Electrical, Inc.

CONN FERRULE DIN 20-22AWG GRAY

168205

1161050

1161050

American Electrical, Inc.

CONN FERRULE DIN 20-24AWG WHITE

33567

F87-25-C

F87-25-C

Panduit Corporation

CONN FERRULE DIN 1AWG

2898400

9025770000

9025770000

Weidmuller

CONN FERRULE 22AWG TURQ 1=500PC

155847

V30AE000045

V30AE000045

Z+F USA Inc.

FERRULES, INSULATED; DIN / KDS,

23000

3200247

3200247

Phoenix Contact

CONN FERRULE DIN 18AWG SILVER

1874

9019340000

9019340000

Weidmuller

CONN FERRULE DIN 1AWG BLU 1=50PC

32

F91-32-L

F91-32-L

Panduit Corporation

CONN FERRULE 4/0AWG

154

9019230000

9019230000

Weidmuller

CONN FERRULE DIN 10AWG YLW 100PC

4

3201068

3201068

Phoenix Contact

CONN FERRULE W TYPE 8AWG IVORY

7100

216-263

216-263

WAGO

FERRULE; SLEEVE FOR 1 MM / AWG 1

1000

1181015

1181015

American Electrical, Inc.

CONN FERRULE DIN 16AWG BLACK

73696

FSD76-8-K

FSD76-8-K

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

5455

2219.0

2219.0

Conta-Clip

H 1,0/6

5025

966066-1

966066-1

TE Connectivity AMP Connectors

CONN FERRULE DIN 23AWG BLUE

11935

1181010

1181010

American Electrical, Inc.

CONN FERRULE DIN 18AWG RED

166645

2224.0/100

2224.0/100

Altech Corporation

H2.50/12 UNINSULATED14AWG FERRUL

14187900

9037550000

9037550000

Weidmuller

CONN FERRL DIN 2X10AWG YLW 100PC

43

3200548

3200548

Phoenix Contact

CONN FERRULE DIN 10AWG YELLOW

2951

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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