Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9019100000

9019100000

Weidmuller

CONN FERRULE DIN 17AWG RED 500PC

0

12810250

12810250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

6632

FSDX78-8-D

FSDX78-8-D

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

810034000

2202.0/100

2202.0/100

Altech Corporation

H0.75/8 INSULATED 18AWG 100 FE

7407500

FTD78-12-D

FTD78-12-D

Panduit Corporation

CONN FERRULE DIN TWO X 16AWG BLK

529103500

9019170000

9019170000

Weidmuller

CONN FERRULE DIN 14AWG BLU 500PC

215340

13161160

13161160

American Electrical, Inc.

CONN FERRULE DIN TWO X 6AWG BLUE

0

121010100

121010100

American Electrical, Inc.

CONN FERRULE DIN 18AWG

12747

3200234

3200234

Phoenix Contact

CONN FERRULE DIN 18AWG SILVER

917122000

9037410000

9037410000

Weidmuller

CONN FERRL DIN 2X18AWG GRY 500PC

930

F81-10-M

F81-10-M

Panduit Corporation

CONN FERRULE DIN 12AWG

191784000

9037440000

9037440000

Weidmuller

CONN FERRL DIN 2X17AWG RED 500PC

2

3200881

3200881

Phoenix Contact

CONN FERRULE DIN 20AWG WHITE

1739000

9018910000

9018910000

Weidmuller

CONN FERRULE 24AWG 1=1000PC

82

12610075

12610075

American Electrical, Inc.

CONN FERRULE DIN 20AWG

8977

13101010

13101010

American Electrical, Inc.

CONN FERRULE DIN TWO X 18AWG RED

4651

216-207

216-207

WAGO

FERRULE; SLEEVE FOR 4 MM / AWG 1

4530

9018540000

9018540000

Weidmuller

CONN FERRL DIN 2X17AWG RED 500PC

3

V30AE000537

V30AE000537

Z+F USA Inc.

FERRULES, INSULATED; KDS, 0.75/8

10000

1200163

1200163

Phoenix Contact

CONN FERRULE DIN 18AWG BLUE

1033

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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