The DY series power connectors can be used for 30KW and 40KW charging modules that comply with the State Grid interface, significantly increasing the power supply capacity and shortening the charging time for users. They can also be applied in various fields such as UPS power supplies, communication power supplies, and photovoltaic energy storage systems. 

Product Introduction:

● The product interface adopts the interface of the State Grid charging module, with strong compatibility;

● The product adopts a crown spring structure, capable of transmitting high current and having low contact resistance;

● The plug is a bent plate welding type, and the socket is a straight wiring structure. The power supply wiring diameter is 16 square cable, and the signal has welding and compression structures;

● After the socket is inserted, it cooperates with the floating screw and has a ±0.65mm floating range;

● The connector is compatible with a wide range of voltages:

Input end rated current: 80A/Pin; rated voltage: 1000V AC;

Output end current: 80A/Pin or 140A/2Pin; rated voltage: 1000V DC.

Product Overview

The State Grid three-phase plus Neutral Power Connector (3P+N power connector) is designed for power distribution systems, electrical equipment, and grid-related applications that require safe, stable, and structured multi-line power transmission. This connector integrates three phase conductors and one neutral line into a single interface, enabling efficient power connection while reducing wiring complexity.

Developed for demanding power infrastructure environments, this connector is suitable for State Grid–related installations, power control cabinets, substations, energy equipment, and industrial electrical systems. The design focuses on long-term electrical stability, mechanical strength, and secure mating performance to support continuous operation under variable load conditions.

YFS Technology (SZ) Co., Ltd engineers this connector with practical installation and maintenance requirements in mind, ensuring compatibility with standardized power systems while offering flexible customization options for different project specifications.

Product Features

Three-Phase + Neutral Integrated Design (3P+N)
Combines three phase conductors and one neutral line in a single connector, improving wiring efficiency and clarity.

Stable Power Transmission Performance
Optimized contact structure ensures consistent electrical conductivity and reliable current transfer under continuous load.

Secure and Reliable Connection Structure
Designed to maintain stable mating performance, reducing the risk of loosening or intermittent contact.

Industrial-Grade Mechanical Strength
Connector housing and internal components are built to withstand mechanical stress and long-term use in power environments.

Support for Cable and Harness Integration
Compatible with customized power cables and wiring harness assemblies for system-level integration.

Product Advantages

Simplified Power Distribution Layout
Centralized three-phase power connection reduces wiring complexity and improves installation efficiency.

Enhanced Operational Safety
Clear phase and neutral separation helps minimize wiring errors during installation and maintenance.

Designed for Power Infrastructure Applications
Suitable for grid-related equipment, electrical cabinets, and energy systems requiring reliable power interfaces.

Customization Capability
Supports customization of conductor size, connector structure, cable length, and termination methods.

Consistent Manufacturing Quality
Manufactured under controlled production and inspection processes to ensure stable quality across batches.

Typical Applications

The State Grid 3P+N power connector is widely used in:

Power Distribution Cabinets and Control Panels

State Grid and Utility Power Systems

Substations and Electrical Rooms

Energy Storage and Power Conversion Equipment

Industrial Electrical Equipment and Machinery

Infrastructure and Engineering Power Projects

FAQ – Frequently Asked Questions

Q1: What does “three-phase plus neutral” mean in this connector?
A: It refers to the integration of three phase conductors and one neutral conductor within a single connector interface.

Q2: Is this connector suitable for continuous power operation?
A: Yes. It is designed for long-term, continuous operation in power distribution systems.

Q3: Can conductor size or cable type be customized?
A: Yes. Cable specifications and connector configurations can be customized based on project requirements.

Q4: Is this connector intended only for State Grid projects?
A: While designed to meet State Grid–related application needs, it can also be used in other industrial and power systems.

Q5: Does YFS Technology (SZ) Co., Ltd provide cable assembly services?
A: Yes. Complete power cable and harness assembly solutions are available.