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HES300 | 300A 1500V High Voltage DC Contactor
HES300 is a high-performance High Voltage DC Contactor for Solar System applications, engineered to switch and isolate high-current DC circuits safely and efficiently.
With a rated contact current of 300A and voltage ratings up to 1500VDC, it is ideal for use in energy storage, photovoltaic, and electric vehicle charging systems.
The contactor features a single-pole normally open (SPST-NO) contact arrangement and supports coil voltages of 12VDC and 24VDC. An optional SPST-NO auxiliary contact is available for system status monitoring and control flexibility.
Specifications
| Specification | DATA |
|---|---|
| Model: | HES300 |
| Contact Arrangement: | 1 Form, SPST-NO |
| Rated Contact Current: | 300A |
| Rated Voltage: | 1000V, 1500VDC |
| Rated Coil Voltage: | 12VDC, 24VDC |
| Auxiliary Contact: | SPST-NO (Optional) |
Dimension Drawing & Wiring Diagram
Applications
The HES300 High Voltage DC Contactor is designed for safe and reliable operation in a wide range of high-voltage systems:
Solar Energy Systems
Provides high-voltage DC switching between PV arrays and inverters.
Battery Management Systems
Integrates into battery modules for fault isolation and protection.
Energy Storage Systems (ESS)
Ensures circuit isolation and switching in battery banks.
Microgrid Power Control
Supports load management and switching in hybrid energy setups.
EV Charging Stations
Handles main circuit switching for high-power charging infrastructure.
Industrial DC Power Systems
Controls high-current switching in automation and process equipment.
Why Choose Us as a High Voltage DC Contactor Supplier?
Expertise in high-voltage solutions
We provide reliable, cutting-edge high-voltage DC contactors tailored for demanding applications.
Durable and efficient products
Our contactors ensure long-term reliability, enhanced performance, and minimal downtime in critical systems.
Customization options
We offer customizable contactors to meet specific operational needs and technical requirements of clients.
Global industry recognition
Trusted by leading manufacturers, our products comply with international standards for quality and performance.
Comprehensive technical support
Our team offers in-depth expertise, assisting with design, installation, and troubleshooting of products.
Commitment to sustainability
We prioritize eco-friendly materials and energy-efficient solutions in our high-voltage DC contactor offerings.
🔍 FAQs
What is the rated current of the HES300 contactor?
It supports a rated contact current of 300A.
What voltage levels does the contactor handle?
It is rated for use in 1000VDC and 1500VDC systems.
What are the coil voltage options?
The HES300 is available with 12VDC and 24VDC coils.
What type of contact configuration does it have?
It features a 1 Form SPST-NO (Single Pole Single Throw – Normally Open) arrangement.
Is an auxiliary contact available?
Yes, an SPST-NO auxiliary contact is optional for monitoring or control applications.
Can it be used in solar systems?
Yes, it is specifically designed for high-voltage solar applications.
Is this contactor suitable for EV charging stations?
Absolutely. It supports safe high-current DC switching in EV infrastructure.
What industries commonly use the HES300?
It is used in solar energy, energy storage, electric vehicles, telecom, and industrial DC systems.
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