Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
FSD82-12-C

FSD82-12-C

Panduit Corporation

CONN FERRULE DIN 10AWG YELLOW

2504900

FSD74-8-D

FSD74-8-D

Panduit Corporation

CONN FERRULE DIN 24AWG TURQUOISE

2147483647

FSD78-18-D

FSD78-18-D

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

119631500

F77-7-M

F77-7-M

Panduit Corporation

CONN FERRULE DIN 18AWG

64943000

F86-18-C

F86-18-C

Panduit Corporation

CONN FERRULE DIN 2AWG

460

FSDXL78-8-C

FSDXL78-8-C

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

85

F93-40-Q

F93-40-Q

Panduit Corporation

CONN FERRULE 350 MCM

351125

FTD78-8-D

FTD78-8-D

Panduit Corporation

CONN FERRULE DIN TWO X 16AWG BLK

206643500

F84-20-TL

F84-20-TL

Panduit Corporation

CONN FERRULE DIN 6AWG

195750

FSD77-8-D

FSD77-8-D

Panduit Corporation

CONN FERRULE DIN 18AWG RED

9692

F89-32-L

F89-32-L

Panduit Corporation

CONN FERRULE 2/0AWG

2391600

FSD76-8-DSL8

FSD76-8-DSL8

Panduit Corporation

CONN FERRULE DIN 18AWG GRAY

642861000

F87-18-C

F87-18-C

Panduit Corporation

CONN FERRULE DIN 1AWG

14112600

FSD89-27-Q

FSD89-27-Q

Panduit Corporation

CONN FERRULE 2/0AWG YELLOW

89400

F83-25-D

F83-25-D

Panduit Corporation

CONN FERRULE DIN 8AWG

9982500

F80-12-M

F80-12-M

Panduit Corporation

CONN FERRULE DIN 14AWG

1542188000

FSD75-8-DSL10

FSD75-8-DSL10

Panduit Corporation

CONN FERRULE DIN 20AWG WHITE

4096500

FSD78-8-2KD0

FSD78-8-2KD0

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

2147483647

FSDXL82-12-C

FSDXL82-12-C

Panduit Corporation

CONN FERRULE DIN 10AWG YELLOW

5354900

F90-30-L

F90-30-L

Panduit Corporation

CONN FERRULE 3/0AWG

1212700

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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