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Connector Insert

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:

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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:

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.

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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.