Terminal Blocks - Accessories - Wire Ferrules

Image Part Number Description / PDF Quantity Rfq
216-244

216-244

WAGO

FERRULE; SLEEVE FOR 1.5 MM / AWG

0

216-222

216-222

WAGO

FERRULE; SLEEVE FOR 0.75 MM / 18

3495

216-221

216-221

WAGO

FERRULE; SLEEVE FOR 0.5 MM / 20

805

216-210

216-210

WAGO

FERRULE; SLEEVE FOR 16 MM / AWG

425

216-264

216-264

WAGO

FERRULE; SLEEVE FOR 1.5 MM / AWG

740

216-263

216-263

WAGO

FERRULE; SLEEVE FOR 1 MM / AWG 1

1000

216-302

216-302

WAGO

FERRULE; SLEEVE FOR 0.34 MM / 22

1880

216-205

216-205

WAGO

FERRULE; SLEEVE FOR 2.08 MM / AW

3400

216-266

216-266

WAGO

FERRULE; SLEEVE FOR 2.5 MM / AWG

1700

216-207

216-207

WAGO

FERRULE; SLEEVE FOR 4 MM / AWG 1

4530

216-203

216-203

WAGO

FERRULE; SLEEVE FOR 1 MM / AWG 1

7958

216-321

216-321

WAGO

FERRULE; SLEEVE FOR 0.25 MM / AW

2665

216-223

216-223

WAGO

FERRULE; SLEEVE FOR 1 MM / AWG 1

4923

216-206

216-206

WAGO

FERRULE; SLEEVE FOR 2.5 MM / AWG

2788

216-301

216-301

WAGO

FERRULE; SLEEVE FOR 0.25 MM / AW

3595

216-208

216-208

WAGO

FERRULE; SLEEVE FOR 6 MM / AWG 1

4770

216-204

216-204

WAGO

FERRULE; SLEEVE FOR 1.5 MM / AWG

4771

216-209

216-209

WAGO

FERRULE; SLEEVE FOR 10 MM / AWG

1230

216-243

216-243

WAGO

FERRULE; SLEEVE FOR 1 MM / AWG 1

2400

216-267

216-267

WAGO

FERRULE; SLEEVE FOR 4 MM / AWG 1

1615

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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