Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
9019150000

9019150000

Weidmuller

CONN FERRULE DIN 16AWG BLK 500PC

3

966144-6

966144-6

TE Connectivity AMP Connectors

CONN FERRULE DIN TWO X 16AWG BLK

777

FSD79-8-D

FSD79-8-D

Panduit Corporation

CONN FERRULE DIN 14AWG YELLOW

1255154000

2848.0

2848.0

Conta-Clip

H 4,0/18-D GR

4058

3200098

3200098

Phoenix Contact

CONN FERRULE 12AWG ORANGE

29

3200629

3200629

Phoenix Contact

CONN FERRULE DIN 6AWG BLUE

3400

11122160

11122160

American Electrical, Inc.

CONN FERRULE W TYPE 6AWG GREEN

416

FSD85-16-L

FSD85-16-L

Panduit Corporation

CONN FERRULE DIN 4AWG YELLOW

131115750

FSD81-10-D

FSD81-10-D

Panduit Corporation

CONN FERRULE DIN 12AWG GRAY

855321000

F82-15-M

F82-15-M

Panduit Corporation

CONN FERRULE DIN 10AWG

20964000

F89-25-L

F89-25-L

Panduit Corporation

CONN FERRULE 2/0AWG

1301900

3202465

3202465

Phoenix Contact

CONN FERRULE DIN 24AWG

1065

2204.0

2204.0

Altech Corporation

CONN FERRULE 16AWG RED

4365

1200108

1200108

Phoenix Contact

CONN FERRULE DIN 14AWG BLUE

363747600

FSD90-25-Q

FSD90-25-Q

Panduit Corporation

CONN FERRULE DIN 3/0AWG RED

59825

121810250

121810250

American Electrical, Inc.

CONN FERRULE DIN 14AWG

615

FSD78-10-D

FSD78-10-D

Panduit Corporation

CONN FERRULE DIN 16AWG BLACK

203500

216-241

216-241

WAGO

FERRULE; SLEEVE FOR 0.5 MM / 20

2638

1200107

1200107

Phoenix Contact

CONN FERRULE DIN 16AWG BLACK

818945000

FSD91-27-Q

FSD91-27-Q

Panduit Corporation

CONN FERRULE DIN 250 MCM BLUE

52700

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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