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Description

 

Heavy Duty Connectors (HDCs) are robust, modular electrical connectors specifically engineered for harsh industrial environments and high-power applications. Used to transmit power, signals, or data, these connectors provide secure, vibration-resistant, and weatherproof connections in electric power systems, control panels, and automation networks.

With modular inserts, IP-rated housings, and high-current carrying capabilities, heavy-duty connectors are essential components in electrical distribution, factory automation, energy generation, and infrastructure installations.

 

How to order:

Heavy Duty Connectors

Parameters

 

Technical Specifications of Heavy Duty Connectors

Parameter Specification
Rated Voltage 250V – 1000V (depending on insert)
Rated Current 10A – 200A
Poles 3 to 64 (custom modular options available)
Protection Class IP65, IP67, or IP68
Housing Material Die-cast aluminum, thermoplastic, or stainless steel
Insert Material Polycarbonate, thermoplastic, or fiberglass-reinforced resin
Locking Mechanism Single/double lever or screw-lock options
Mounting Types Surface mount, bulkhead, cable-to-cable
Cable Gland Sizes M20, M25, M32, M40, etc. (with strain relief)
Operating Temperature -40°C to +125°C
Flame Retardancy UL 94 V-0
Standards IEC 61984, UL 1977, EN 60664, RoHS, CE

 

Common housing combination:

Heavy Duty Connectors

 

Why Use Heavy Duty Connectors in Electric Power Systems?

1. Reliable High-Current Connections

HDCs are engineered to carry high power loads without overheating or degrading, making them ideal for heavy equipment, switchgear, and industrial motors.

2. Modularity and Flexibility

Their modular insert design allows you to combine power, signal, and control wiring in a single connector—streamlining panel layout and saving space.

3. Environmental Resistance

Rated up to IP68, heavy duty connectors provide total protection from water, dust, oil, and UV, making them suitable for outdoor substations and offshore platforms.

4. Quick Maintenance and Downtime Reduction

Quick-connect levers and modular assembly enable fast, error-free replacement—ideal for industries where uptime is critical.

Solutions

 

Applications of Heavy Duty Connectors in Power Systems

Heavy duty connectors are widely used in medium- and low-voltage power applications, especially where frequent disconnection, mechanical strain, or environmental challenges are present.

 

Common applications:

  • Transformer and switchgear panel interfaces
  • Industrial machinery and automation equipment
  • Wind, solar, and hydroelectric power plants
  • Railway and transportation control systems
  • Modular substations and mobile power units
  • Construction site power distribution
  • Packaging, assembly, and conveyor systems

 

Key Features of Heavy Duty Connectors

Feature Benefit for Electric Power and Industrial Use
High Voltage & Current Ratings Handles up to 1000V and 200A (depending on insert type)
Rugged Metal or Plastic Housing Withstands mechanical stress, shock, and vibration
IP65/IP68 Protection Water-, dust-, and oil-resistant for indoor and outdoor use
Modular Insert System Allows mixed power, signal, and data in one housing
Quick Assembly with Locking Levers Speeds up installation and replacement cycles
Temperature-Resistant Materials Performs reliably from -40°C to +125°C
EMC Shielding Options Protects against electromagnetic interference (EMI/RFI)
Standards Compliant Meets IEC 61984, UL 1977, EN 60664, and RoHS standards

 

Heavy Duty Connectors vs Standard Industrial Connectors

Feature Heavy Duty Connector (HDC) Standard Connector
Power Handling Up to 1000V / 200A Typically <250V / 32A
Protection Level IP65 – IP68 IP20 – IP44
Mechanical Strength High (shock, vibration resistant) Moderate
Cable Entry Options Multiple gland sizes, modular ports Limited
Modularity Power + signal + data in one Single function
Environmental Durability Excellent Average

Heavy duty connectors are the superior choice for industrial, outdoor, and mission-critical power systems.

 

Why Choose Our Heavy Duty Connectors?

  • Certified for high-voltage and high-current industrial use
  • Available in various sizes, shapes, and modular configurations
  • Rugged enclosures with stainless steel or corrosion-proof coating
  • Perfect for OEM panels, automation systems, and energy infrastructure
  • Custom options with EMI shielding, keying, or coding available

 

Order Heavy Duty Connectors for Industrial Power Applications

 

We offer a wide range of heavy duty industrial connectors for use in electrical panels, automation systems, and energy networks. Our connectors are engineered for safety, performance, and reliability, and are available for bulk orders, OEM use, and custom projects.

  • Power, control, signal, and hybrid insert options
  • IP65–IP68 housings with stainless steel locking levers
  • Fast delivery and technical customization support
  • Full documentation: datasheets, 3D models, and certification.

Products

 

10A Crimp contact

16A Crimp Terminal

40A Crimp Contact