Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
82/32VZ

82/32VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 3/0AWG

0

900582

900582

Paladin Tools (Greenlee Communications)

CONN FERRULE 18AWG WHITE 5000RL

0

82/25VZ

82/25VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 3/0AWG

0

73/15VZ

73/15VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 14AWG

0

79/18VZ

79/18VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 2AWG

0

PA900443

PA900443

Paladin Tools (Greenlee Communications)

CONN FERRL DIN 2X14AWG BLU 250PC

0

PA56560

PA56560

Paladin Tools (Greenlee Communications)

CONN FERRULE 16AWG RED 500PC

0

PA12430

PA12430

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 6AWG 500PC

0

900588

900588

Paladin Tools (Greenlee Communications)

CONN FERRUL DIN 18AWG RED 5000RL

0

870/8

870/8

Paladin Tools (Greenlee Communications)

CONN FERRULE TWO X 18AWG GRAY

0

PA37530

PA37530

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 4AWG 100PC

0

78/12VZ

78/12VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 4AWG

0

166/6

166/6

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 26AWG GRAY

0

28260

28260

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 20AWG 1000PC

0

PA900435

PA900435

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 16AWG BLK 500PC

0

PA28270

PA28270

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 18AWG 1000PC

0

77/18VZ

77/18VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 6AWG

0

9131

9131

Paladin Tools (Greenlee Communications)

CONN FERRULE 16AWG RED 100PC

0

PA40970

PA40970

Paladin Tools (Greenlee Communications)

CONN FERRULE DIN 18AWG YLW 500PC

0

70/7VZ

70/7VZ

Paladin Tools (Greenlee Communications)

CONN FERRULE 22AWG

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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