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.

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32A/5P-821 IP44 400V Additional device plugs

32A/5P-821 IP44 400V Additional device plugs

Panel Mount Inlet 32A/5P-821 IP44 400V is designed for three-phase 400V power systems with neutral (L1 + L2 + L3 + N + PE) and follows IEC 60309 red voltage coding, ensuring correct and safe power connections for industrial equipment. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control cabinets, […]

Model: TYP-821
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32A/4P-819 IP44 400V Additional device plugs

32A/4P-819 IP44 400V Additional device plugs

Panel Mount Inlet 32A/4P-819 IP44 400V is designed for three-phase 400V power systems (L1 + L2 + L3 + PE) and follows IEC 60309 red voltage coding, ensuring safe and correct power connections for industrial applications. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control panels, and distribution boards. The […]

Model: TYP-819
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32A/3P-817 IP44 230V Additional device plugs

32A/3P-817 IP44 230V Additional device plugs

Panel Mount Inlet 32A/3P-817 IP44 230V is designed for single-phase 230V power systems (L + N + PE) and follows IEC 60309 blue voltage coding, ensuring safe and correct power connections in industrial and commercial environments. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control panels, and distribution boards. The […]

Model: TYP-817
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16A5P-829 IP67 400V Additional device plugs

16A5P-829 IP67 400V Additional device plugs

Panel Mount Inlet 16A/5P-829 IP67 400V is designed for three-phase 400V power systems (3P + N + PE) and follows IEC 60309 red voltage coding, ensuring safe and correct power connections across industrial applications. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control panels, and distribution boards. The housing is […]

Model: TYP-829
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16A/4P-827 IP67 400V Additional device plugs

16A/4P-827 IP67 400V Additional device plugs

Panel Mount Inlet 16A/4P-827 IP67 400V is designed for three-phase 400V power systems (3P + PE) and follows IEC 60309 red voltage coding, ensuring correct and safe power connections. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control panels, and distribution boards. The housing is manufactured from high-strength flame-retardant PA66, […]

Model: TYP-827
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16A/3P-826 IP67 230V Additional device plugs

16A/3P-826 IP67 230V Additional device plugs

Panel Mount Inlet 16A/3P-826 IP67 230V is designed for single-phase 230V power systems (L + N + PE) and complies with IEC 60309 blue voltage coding, ensuring correct and safe power connections. This model features a panel-mounted inlet design, allowing secure installation on equipment enclosures, control cabinets, and distribution boards. The housing is made of […]

Model: TYP-826
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16A/5P-815 IP44 400V Additional device plugs

16A/5P-815 IP44 400V Additional device plugs

Panel Mount Inlet 16A/5P-815 IP44 400V is designed for three-phase 400V power systems (3P + N + PE) and complies with the IEC 60309 red voltage coding, ensuring safe and correct power connections in industrial applications. This model features a panel-mounted inlet design, allowing secure installation on control panels, distribution boards, and industrial equipment enclosures. […]

Model: TYP-815
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16A/4P-813 IP44 400V Additional device plugs

16A/4P-813 IP44 400V Additional device plugs

Panel Mount Inlet 16A/4P-813 IP44 400V is designed for three-phase 400V power systems (3P + PE) and follows the IEC 60309 red voltage coding, ensuring safe and error-free power connections in industrial environments. This model features a panel-mounted inlet design, allowing secure installation on control panels, distribution boards, and industrial equipment enclosures. The housing is […]

Model: TYP-813
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16A/3P-812 IP44 230V Additional device plugs

16A/3P-812 IP44 230V Additional device plugs

The 16A/3P-812 IP44 panel mounted plug is designed for fixed installation on electrical panels, distribution boxes, and industrial equipment. Compliant with IEC 60309, it supports 230V (2P + Earth) power connections and uses the blue color code with standardized pin configuration for safe and reliable operation. Its compact flange-mounted design allows secure installation on panels, […]

Model: TYP-812
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32A/5P-MXS3-C254-6 IP44 400V Connector

32A/5P-MXS3-C254-6 IP44 400V Connector

The Harmony Series 32A/5P-MXS3-C254-6 IP44 400V connector complies with IEC 60309 standards and is designed for three-phase 400V applications requiring a neutral line (3P+N+PE). Made from high-strength flame-retardant PA66, the connector offers excellent durability, impact resistance, and long service life. With an IP44 splash-proof rating, it provides reliable performance in workshops, industrial plants, logistics environments, […]

Model: MXS3-C254-6
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32A/4P-MXS3-C244-6 IP44 400V Connector

32A/4P-MXS3-C244-6 IP44 400V Connector

The Harmony Series 32A/4P-MXS3-C244-6 IP44 400V connector follows the IEC 60309 red coding for 400V three-phase (3P+PE) applications. Built with a durable flame-retardant PA66 housing, it provides excellent resistance to impact, heat, and mechanical stress, making it suitable for demanding industrial environments. With an IP44 splash-proof rating, this connector is ideal for workshops, machinery, building […]

Model: MXS3-C244-6
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32A/3P-MXS3-C234-6 IP44 230V connector

32A/3P-MXS3-C234-6 IP44 230V connector

The Harmony Series 32A/3P-MXS3-C234-6 IP44 230V connector complies with IEC60309 blue coding for 230V (2P+PE) single-phase applications. The housing is built from durable, flame-retardant PA66, offering excellent impact strength, heat resistance, and long-term reliability. With an IP44 splash-proof rating, this connector is ideal for factory workshops, commercial environments, rental equipment, and temporary power systems. Nickel-plated […]

Model: MXS3-C234-6
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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

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