Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9006630000

9006630000

Weidmuller

CONN FERRULE 16AWG BLACK 1=100PC

0

9021190000

9021190000

Weidmuller

CONN FERRULE 3AWG BLACK 1=50PC

2

9021060000

9021060000

Weidmuller

CONN FERRULE 18AWG BLUE 1=500PC

1

9021960000

9021960000

Weidmuller

CONN FERRULE DIN 16AWG BLK 500PC

0

9036250000

9036250000

Weidmuller

CONN FERRULE 300 MCM 1=25PC

0

9028520000

9028520000

Weidmuller

CONN FERRULE 12AWG GRAY 1=500PC

2

9006870000

9006870000

Weidmuller

H16 0/25 5X BL SV

0

9019410000

9019410000

Weidmuller

CONN FERRULE DIN 18AWG GRY 500PC

2

9037660000

9037660000

Weidmuller

CONN FERRULE 2X14AWG GRAY 100PC

0

9021030000

9021030000

Weidmuller

CONN FERRULE 18AWG BLUE 1=500PC

0

9004110000

9004110000

Weidmuller

CONN FERRULE 12AWG 1=500PC

5

9018890000

9018890000

Weidmuller

CONN FERRUL DIN 2X7AWG RED 100PC

0

9037420000

9037420000

Weidmuller

CONN FERRL DIN 2X18AWG GRY 500PC

0

9018580000

9018580000

Weidmuller

CONN FERRULE 2X14AWG GRAY 250PC

0

9036210000

9036210000

Weidmuller

CONN FERRULE 14AWG GRAY 1=500PC

0

9018650000

9018650000

Weidmuller

CONN FERRULE 2 X 17AWG YLW 500PC

0

9021050000

9021050000

Weidmuller

CONN FERRULE 18AWG BLUE 1=500PC

29

9028290000

9028290000

Weidmuller

CONN FERRULE 18AWG WHITE 1=500PC

0

9037430000

9037430000

Weidmuller

CONN FERRL DIN 2X18AWG GRY 500PC

0

9037640000

9037640000

Weidmuller

CONN FERRULE 2X14AWG GRAY 500PC

0

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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