High Voltage DC Contactor Manufacturer in China

Your Reliable High Voltage DC Circuit Contacting Solution, Low Cost, Stable Performance, Ensure the Efficient and Safe Operation of Your HVDC System

19+ Years Experience

30,000 ㎡ Headquarters

Certified Top-quality

50+ countries served

No Sparks, No Problem

Discover Our High Voltage DC Contactors

Built for high performance and reliability, it’s the ultimate choice for your Electric vehicle, EV charging, photovoltaic power generation, energy storage system and other HV DC systems.

Model SKU	Max Switching Voltage	Main Contact Rated Current	Max Breaking Current (Resistive Load)	Overload Breaking Current (Resistive Load)	Coil Rated Voltage	Applications
HCF20	800VDC	20A	/	6A 800VDC 75000 ops	12VDC 24VDC	Pre-charge Contactor
HCF40	1000VDC	40A	400A 450VDC 1 ops	120A 450VDC 30 ops	12VDC 24VDC	Pre-charge Contactor Normal Charge Contactor Charging Pile Contactor Solar Power Contactor
HCF60	1000VDC	60A	600A 450VDC 1 ops	200A 450VDC 100 ops	12VDC 24VDC 48VDC	Auxiliary System Contactor Charging Pile Contactor Solar Power Contactor
HCF100	1000VDC	100A	600A 450VDC 1 ops	200A 450VDC 100 ops	12VDC 24VDC 48VDC	Fast Charge Contactor Charging Pile Contactor Solar Power Contactor
HCF100B	1500VDC	100A	1000A 450VDC 1 ops	300A 450VDC 100 ops	12VDC 24VDC 48VDC	Fast Charge Contactor Charging Pile Contactor Solar Power Contactor
HCF150	1500VDC	150A	1500A 450VDC 1 ops	300A 450VDC 100 ops	12VDC 24VDC 48VDC	Main Circuit Contactor Charging Pile Contactor Solar Power Contactor
HCF200	1500VDC	200A	2000A 450VDC 1 ops	300A 450VDC 100 ops	12VDC 24VDC 48VDC	Main Circuit Contactor Charging Pile Contactor Solar Power Contactor Wind Power Contactor
HCF250	1500VDC	250A	2000A 450VDC 1 ops	500A 450VDC 10 ops	12VDC 24VDC 48VDC	Main Circuit Contactor Charging Station Contactor Wind Power Contactor
HCF250B	1500VDC	250A	2000A 450VDC 1 ops	300A 450VDC 100 ops	12VDC 24VDC 48VDC	Main Circuit Contactor Charging Station Contactor
HCF300	1500VDC	300A	2000A 450VDC 1 ops	600A 450VDC 10 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor Wind Power Contactor
HCF350	1500VDC	350A	2000A 1000VDC 1 ops	1000A 900VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor
HCF400	1500VDC	400A	2500A 800VDC 1 ops	800A 450VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor Wind Power Contactor
HCF500	1500VDC	500A	2500A 800VDC 1 ops	800A 450VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor
HCF600	1500VDC	600A	2500A 800VDC 1 ops	1000A 900VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor
HCF800	2000VDC	800A	2000A 1000VDC 1 ops	800A 1500VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor
HCF1000	1500VDC	1000A	2000A 1000VDC 1 ops	1000A 1500VDC 50 ops	12VDC 24VDC 48VDC	Main Circuit Contactor ESS Contactor

Hermetically sealed

Ceramic seal, H2 gas-filled cavity: no arc leakage, low and stable resistance

Strong short-circuit resistance

Strong short-circuit resistance: reliable contacts

Bidirectional

Non-polarity arc extinguishing: flexible installation, safe bidirectional circuit.

Auxiliary contact

Optional Normally Open/Close auxiliary contact.

Your Reliable High Voltage DC Control Solution Vendor

EV, EV Charging, ESS, PV and More!
We've Got You Covered!

Protecting your high-voltage DC systems

Safety, Stability, Versatility

Strong short-circuit resistance: reliable contacts, ultra-high safety and security.
Ceramic seal, H2 gas-filled cavity: no arc leakage, low and stable resistance.
Wide Voltage and Current range: 10-1000A, 12-2000V.

Our experienced R&D team with a strong capability will develop new products and for your customized requirements.

Experience Cutting-Edge Technology Applications

R&D & Design

Our innovative R&D team is always at the forefront of the high voltage industry, constantly developing new technologies and specifications to ensure that our high voltage dc contactors meet your working conditions and perform stably over the long term.

3D Design
DFM Analysis
SEM Slicing Analysis
Dimensional Chain
Tolerance Analysis

Multiple tests for each process

Quality Control

We have introduced advanced automatic production lines and advanced laboratory testing equipment.

We carry out strict quality checks on each product to ensure that we provide you with a reliable and safe solution.

The production of HIITIO high voltage dc contactors strictly complies with the ISO9001 and IATF16949 systems to ensure product quality.

Height and polarity detection machine
Mechanical Vibration Shock Test
Electrical Life Testing
Temperature and Humidity Environment Test
X-ray Detection

We take responsibility for each product

Traceable Production Process

The PLM+ERP+MES system ensures the digitalization and intelligence of our factory production. It makes a big contribution to the traceability of the development, production and sales processes.

Some of Our Certifications

Join Our Growing List of Satisfied Clients

500+

Employees

150+

Patent

42+

Countries

200+

Millions Yearly Order

Ready to take a move?

Request Your Free Quote Now!

HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. Hiitio specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.