Industrial Catalog

Industrial Connectors

Professional industrial power connection solutions. Browse our comprehensive range of IEC standard plugs, sockets, and accessories designed for demanding industrial environments.

Filter: All Products
158 products found
16A/5P-MXS3-A154-6 IP44 400V

16A/5P-MXS3-A154-6 IP44 400V

The Harmony Series 16A/5P-MXS3-A154-6 IP44 400V Industrial Plug is designed according to IEC 60309 standards and supports 400V three-phase applications with neutral and earth (5-pole configuration). Its standardized red color coding prevents mismatched connection across different voltage classes, ensuring safe industrial operation. The housing is constructed from high-strength, flame-retardant PA engineering plastic with excellent impact […]

Model: MXS3-A154-6
View Details
16A/4P-MXS3-A144-6 IP44 400V

16A/4P-MXS3-A144-6 IP44 400V

The Harmony Series 16A/4P-MXS3-A144-6 IP44 400V Industrial Plug is built according to the IEC 60309 international standard and designed for 400V three-phase applications with a 4-pole configuration. The plug uses standardized red color coding, preventing mismatched connections across different voltage systems. The housing is crafted from high-strength, flame-retardant PA engineering plastic, providing excellent impact resistance. […]

Model: MXS3-A144-6
View Details
16A/3P-MXS3-A134-6 IP44 230V

16A/3P-MXS3-A134-6 IP44 230V

The Harmony Series 16A/3P-MXS3-A134-6 IP44 230V Industrial Plug is engineered according to the IEC 60309 standard and optimized for 230V three-pole (3P) industrial applications. As part of the Harmony series, the plug features improved ergonomics, smoother operation, and enhanced stability for frequent industrial use. The housing is made of durable, flame-retardant PA material, providing excellent […]

Model: MXS3-A134-6
View Details
16A/3P-278 IP67 230V Plug

16A/3P-278 IP67 230V Plug

The 16A/3P-278 IP67 230V Industrial Plug is engineered according to the IEC 60309 international standard. Designed for 230V three-pole applications, it provides stable and secure power delivery for industrial and outdoor electrical systems. With its IP67 waterproof and dust-tight construction, the plug withstands harsh environments including moisture, heavy dust, and temporary immersion. The housing is […]

Model: TYP-278
View Details
16A/3P-637a IP67 40V-50V Low voltage plug

16A/3P-637a IP67 40V-50V Low voltage plug

The 16A/3P-637a IP67 40V–50V Low Voltage Industrial Plug is a three-pole connector designed according to the IEC 60309 international standard. Operating within the 40–50V SELV (Safety Extra Low Voltage) range, it provides enhanced electrical safety and stable low-voltage power distribution. With its IP67 waterproof and dustproof rating, the plug is built for harsh outdoor conditions, […]

Model: TYP-637a
View Details
16A/3P-636a IP67 20V-25V Low voltage plug

16A/3P-636a IP67 20V-25V Low voltage plug

The 16A/3P-636a IP67 20V–25V Low Voltage Industrial Plug is a three-pole connector compliant with IEC 60309 standards. Operating within the 20–25V SELV (Safety Extra Low Voltage) range, it ensures maximum electrical safety while delivering reliable performance in harsh and moisture-prone environments. With an IP67 waterproof and dustproof rating, the plug withstands temporary immersion and severe […]

Model: TYP-636a
View Details
16A/2P-630a IP67 40V-50V Low voltage plug

16A/2P-630a IP67 40V-50V Low voltage plug

The 16A/2P-630a IP67 40V–50V Low Voltage Industrial Plug is a two-pole connector designed according to IEC 60309 standards. Operating within the 40–50V SELV (Safety Extra Low Voltage) range, this plug provides maximum electrical safety while delivering stable performance in harsh environments. Its IP67 waterproof and dustproof rating ensures full protection even during temporary immersion, making […]

Model: TYP-630a
View Details
16A/2P-629a IP67 20V-25V Low voltage plug

16A/2P-629a IP67 20V-25V Low voltage plug

The 16A/2P-629a IP67 20V–25V Low Voltage Industrial Plug is a two-pole connector built to IEC 60309 standards, designed for 20–25V SELV (Safety Extra Low Voltage) systems. With an IP67 waterproof rating, it delivers reliable performance in harsh, wet, or outdoor environments, making it ideal for applications where electrical safety is critical. Its flame-retardant PA6 housing […]

Model: TYP-629a
View Details
16A/3P-637 IP44 40V-50V Low voltage plug

16A/3P-637 IP44 40V-50V Low voltage plug

The 16A/3P-637 IP44 40V–50V Low Voltage Industrial Plug is a three-pole connector designed according to IEC 60309 standards. Operating at 40–50V SELV (Safety Extra Low Voltage), it ensures enhanced electrical safety for demanding environments. This plug is ideal for tunnel lighting, stage equipment, maintenance lamps, portable lighting, and areas requiring minimized electric shock risk. Its […]

Model: TYP-637
View Details
16A3P-636 IP44 20V-25V Low voltage plug

16A3P-636 IP44 20V-25V Low voltage plug

The 16A/3P-636 IP44 20V–25V Low Voltage Industrial Plug is a three-pole connector designed according to IEC 60309 standards. Operating within the 20–25V SELV (Safety Extra Low Voltage) range, it provides enhanced electrical safety for environments requiring minimized shock hazards. Its 3-pole configuration supports low-voltage power and control applications, making it ideal for stage lighting, tunnel […]

Model: TYP-636
View Details
16A/2P-630 IP44 40V-50V Low voltage Plugs

16A/2P-630 IP44 40V-50V Low voltage Plugs

The 16A/2P-630 IP44 40V–50V Low Voltage Industrial Plug is a two-pole connector designed according to IEC 60309 standards. It operates within the 40–50V extra-low-voltage range, offering enhanced safety for environments where shock risk must be minimized. Ideal for inspection lamps, stage lighting, portable lighting systems, and confined or damp environments, this plug provides secure and […]

Model: TYP-630
View Details
16A/2P-629 IP44 20V-25V Low voltage plug

16A/2P-629 IP44 20V-25V Low voltage plug

The 16A/2P-629 IP44 20V–25V Low Voltage Industrial Plug is a two-pole connector designed according to IEC 60309 standards. Built for extra-low-voltage applications (20–25V), it provides enhanced electrical safety for environments requiring reduced touch-voltage risk. Ideal for inspection lamps, stage lighting, mobile lighting, and low-voltage control systems, this plug ensures safe and reliable power delivery in […]

Model: TYP-629
View Details

Need Custom Solutions?

Can't find exactly what you need? We specialize in OEM/ODM development and can engineer custom industrial power solutions tailored to your specific requirements.

Request Custom Quote

How Industrial Connectors Work

Industrial connectors function by mechanically bridging electrical circuits between cables and machinery. They utilize a male (pin) and female (socket) mating system to transmit power, data, and signals reliably in harsh environments.

Industrial Connector Internal Structure

The core mechanism relies on creating a continuous, low-resistance path for electrons. Precision-engineered contacts slide into insulators, ensuring that the connection remains stable even under heavy vibration or thermal expansion.

Precision Mating Contacts

Copper alloy pins and sleeves slide together to create a low-resistance electrical path, ensuring stable transmission even under vibration.

Polarized Insulating Inserts

The inner core not only isolates currents but also features keyed profiles to ensure the plug and socket only mate in the correct orientation.

Robust PA66 Housing & Lid

High-grade thermoplastic shells resist impact, while the spring-loaded lid protects the socket and latches the plug securely when mated.

Waterproof Sealing Structure

The tail cable gland tightens around the wire, while internal gaskets create an IP-rated seal (e.g., IP44/IP67) to block water and dust.

Key Advantages of Industrial Connectors

Industrial connectors provide safe and stable power connections in harsh environments including high temperatures, humidity, vibration, and dust.

They support fast installation, modular expansion, and standardized interfaces for industrial equipment, ensuring reliable operation in the most demanding conditions.

Superior Ingress Protection

IP44 to IP67 rated sealing structure effectively blocks dust and moisture, ensuring reliability in wet or dirty environments.

Heat & Impact Resistance

High-grade PA66 engineering plastic resists impact, corrosion, and extreme temperatures (-25°C to +80°C).

Safe Locking Mechanism

Built-in locking system prevents accidental disconnection caused by heavy vibration or cable pulling.

Global Standards

Standardized color coding and dimensions (IEC 60309) ensure compatibility worldwide.

Industrial Testing Laboratory

Where Industrial Connectors Are Used

Industrial connectors are widely used across diverse industries requiring reliable power distribution and equipment connectivity.

Manufacturing & Automation

Power connections for heavy assembly lines, robotics, and CNC machinery.

Construction & Live Events

Temporary power distribution for outdoor sites, stage lighting, and mobile generators.

Food & Beverage Processing

Waterproof connections suitable for high-pressure washdowns and hygiene-critical areas.

Port & Shore Power

Corrosion-resistant connections for ship-to-shore power supply and container terminals.

Mobile Machinery

Vibration-proof power for agricultural, mining, and sanitation vehicles.

Refrigerated Containers

Standardized plugs for maintaining temperature control in global cold chain logistics.

Industrial Applications Overview

Match Scenarios to Connectors: Big Current vs. Standard Plug

Different industrial scenarios require different connectors — here’s how to pick:

Big Current Quick Connector
Heavy Duty

Big Current Quick Connector

Current
Up to 1250A
Connection
10s Quick Cam Lock
Cable
95-300mm²
Scenario
Generator Emergency Supply / Outdoor Engineering
Standard Industrial Plug
Standard IEC

Standard Industrial Plug

Current
16A - 63A
Connection
1-2min Screw Lock
Cable
1.5 - 25mm²
Scenario
Fixed Equipment (Machine Tools)

Want to know the design details behind these connectors?

Check the section below

Design Considerations for Industrial Connectors

The design of industrial connectors must consider electrical conductivity, heat dissipation, locking safety, mechanical strength, environmental sealing, and ergonomic operation.

1

Low-Resistance Contact Design

Optimized pin geometry and copper alloy selection minimize temperature rise and ensure high conductivity during high-current transmission.

2

Housing Material

Flame-Retardant Material SelectionUtilization of PA66 (UL94 V-0) engineering plastic ensures the housing is self-extinguishing and resistant to heat deformation.

3

Sealing Strategy

Compression Sealing Structure Gasket hardness and groove dimensions are precisely calculated to maintain IP67 ratings even after repeated mating cycles.

4

Cable Retention

The tail gland design firmly grips the cable, transferring mechanical stress away from the internal contact termination points.

5

Ergonomic Grip & Operation

Ribbed housing surface and calculated insertion force reduce operator fatigue during installation and maintenance.

Industrial Connector Exploded View

Differences Between Connector Categories

Although all industrial connectors follow the same safety principles, each category is optimized for different environments, power loads, and equipment requirements.

Industrial Plugs

General power input connectors for industrial machines and equipment.

Industrial Sockets

Fixed power output interfaces for walls, panels, and cabinets.

Mechanical Interlocks

Interlocked sockets preventing plug insertion/removal under load for enhanced safety.

Additional Device Plugs

Specialized plugs for instruments, control signals, and auxiliary systems.

Additional Sockets

Expansion sockets installed on cabinets or panels for additional power points.

American Standard Single-Core

High-current connectors used in welding equipment and heavy-duty applications.

Low Voltage Small Plugs

Compact connectors for portable tools and low-power industrial devices.

Multifunctional Industrial Plugs

Multi-purpose plugs combining power, signal, or protective features.

Refrigerated Container Sockets

Salt-spray-resistant and corrosion-proof sockets for reefer containers and marine equipment.
Industrial Connector Product Comparison

Why Choose CHBEB Industrial Connectors

CHBEB provides IEC-standard industrial connectors with full in-house manufacturing, testing, and OEM/ODM capabilities. Our production bases in Yueqing and Nanjing ensure fast delivery and consistent quality for global customers.

Advanced In-House Mold Development

Complete tooling capabilities for custom connector designs and rapid prototyping

Automated Production Lines

State-of-the-art manufacturing ensuring consistent quality and high-volume capacity

100% Quality Inspection

Comprehensive testing protocols including electrical, mechanical, and environmental validation

Full Export Compliance

Complete certifications and documentation for global market requirements

Strong OEM/ODM Customization

End-to-end engineering support from concept to mass production

Start Your Project
CHBEB Manufacturing Facility
Contact us on WhatsApp