Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
216-210

216-210

WAGO

FERRULE; SLEEVE FOR 16 MM / AWG

425

3200519

3200519

Phoenix Contact

CONN FERRULE DIN 18AWG GRAY

2147483647

0533500000

0533500000

Weidmuller

CONN FERRULE 10AWG BLACK 1=100PC

21974

2-966067-1

2-966067-1

TE Connectivity AMP Connectors

CONN FERRULE DIN 11AWG GRAY

7450

9019110000

9019110000

Weidmuller

CONN FERRULE DIN 17AWG RED 500PC

5230

9021170000

9021170000

Weidmuller

CONN FERRULE 6AWG WHITE 1=100PC

342

11221250

11221250

American Electrical, Inc.

CONN FERRULE DIN 4AWG YELLOW

130

9025930000

9025930000

Weidmuller

CONN FERRULE 17AWG YLW 1=500PC

151

F80-12-M

F80-12-M

Panduit Corporation

CONN FERRULE DIN 14AWG

1542188000

3200988

3200988

Phoenix Contact

CONN FERRULE DIN TWO X 18AWG RED

331650600

9004210000

9004210000

Weidmuller

CONN FERRULE 1AWG 1=100PC

67

2223.0/100

2223.0/100

Altech Corporation

CONN FERRULE 14AWG SILVER

4225100

FSD75-8-DSL10

FSD75-8-DSL10

Panduit Corporation

CONN FERRULE DIN 20AWG WHITE

4096500

V30AE000538

V30AE000538

Z+F USA Inc.

FERRULES, INSULATED; KDS, 2.50/8

4500

966067-3

966067-3

TE Connectivity AMP Connectors

CONN FERRULE DIN 20AWG WHITE

9222

9004300000

9004300000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

34

3200412

3200412

Phoenix Contact

CONN FERRULE DIN 4AWG BLACK

50

3200302

3200302

Phoenix Contact

CONN FERRULE DIN 12AWG SILVER

0

9037510000

9037510000

Weidmuller

CONN FERRL DIN 2X14AWG BLU 100PC

11

FSD78-8-2KD0

FSD78-8-2KD0

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

2147483647

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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