Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
FSD74-8-K

FSD74-8-K

Panduit Corporation

INSULATED FERRULES ON MINI-REEL,

988092000

F81-9-M

F81-9-M

Panduit Corporation

CONN FERRULE DIN 12AWG

48026000

F90-25-L

F90-25-L

Panduit Corporation

CONN FERRULE 3/0AWG

404250

F92-38-L

F92-38-L

Panduit Corporation

CONN FERRULE 300 MCM

1001100

FTD76-10-D

FTD76-10-D

Panduit Corporation

CONN FERRULE DIN TWO X 20AWG GRY

2147483647

F87-25-C

F87-25-C

Panduit Corporation

CONN FERRULE DIN 1AWG

2898400

F91-32-L

F91-32-L

Panduit Corporation

CONN FERRULE 4/0AWG

154

FSD76-8-K

FSD76-8-K

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

5455

FSD76-8-D

FSD76-8-D

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

2147483647

F84-18-TL

F84-18-TL

Panduit Corporation

CONN FERRULE DIN 6AWG

61529500

FSD80-18-D

FSD80-18-D

Panduit Corporation

CONN FERRULE DIN 14AWG BLUE

6382000

F85-15-C

F85-15-C

Panduit Corporation

CONN FERRULE DIN 4AWG

17457600

F83-18-D

F83-18-D

Panduit Corporation

CONN FERRULE DIN 8AWG

1913106500

FTD77-8-D

FTD77-8-D

Panduit Corporation

CONN FERRULE DIN TWO X 18AWG RED

147

F92-32-L

F92-32-L

Panduit Corporation

CONN FERRULE 300 MCM

18400

F80-15-M

F80-15-M

Panduit Corporation

CONN FERRULE DIN 14AWG

2897000

FSD83-12-C

FSD83-12-C

Panduit Corporation

CONN FERRULE DIN 8AWG RED

101473900

F81-12-M

F81-12-M

Panduit Corporation

CONN FERRULE DIN 12AWG

105574000

FSDXL81-10-C

FSDXL81-10-C

Panduit Corporation

CONN FERRULE DIN 12AWG GRAY

9484200

FSD76-6-D

FSD76-6-D

Panduit Corporation

CONN FERRULE DIN 20AWG GRAY

339649500

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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