Your trusted partner in DC contactor technology
Zhejiang Sayoon Electric Co., Ltd. was established in 1998. We are a comprehensive manufacturer integrating DC contactor R&D, production, sales and service. Our company's main products include low-voltage DC contactors, high-voltage DC contactors, magnetic latching DC contactors, pre charging contactor, brush controllers, foot accelerators and other accessories. After years of developme···
Over two decades of expertise
Proprietary innovations
International standards
Case partner
Explore Our Core Product Lines
Why Sayoon Outperforms
Compact Form Factor
Extended Service Life
Easy Maintenance
Fill in your details and we will connect you with the right specialist.
Our Solutions in Action
AGV & Electric Forklifts
AGVs, electric forklifts and other industrial electric vehicles require reliable power control components to support traction, lifting, braking, battery connection and auxiliary power functions.
Automotive Air Conditioning
Reliable switching for electric compressor circuits in both conventional and electric vehicle HVAC systems, rated for automotive thermal environments.
UPS & Energy Storage
Fast-switching contactors for seamless transfer in UPS systems and large-scale battery energy storage installations.
Marine & Shipbuilding
Corrosion-resistant contactor configurations for shipboard power distribution, propulsion control, and auxiliary systems.
Communication Power Supplies
Compact contactors maintain circuit integrity in telecom rectifiers and data center power distribution, ensuring uninterrupted uptime.
New Energy Electric Vehicles
High-voltage DC contactors manage battery disconnect, pre-charge, and charging circuits in BEVs and HEVs — where safety and reliability are non-negotiable.Custom Solutions, Your Brand
Requirement Consultation
Share your technical specifications, application environment, and volume forecast with our engineering team.
Design & Prototyping
Our R&D team develops prototypes and conducts full electrical, mechanical, and environmental validation testing.
Approval & Production
Upon your sign-off, we initiate volume production with full quality records and traceability documentation.
Delivery & After-Sales
On-time shipment with your preferred Incoterms, followed by dedicated technical support for the product lifecycle.
Frequently Asked Questions
Quick answers to common questions about our products, technical capabilities, and services. Can’t find what you’re looking for? Contact our team directly.
View All FAQ
Brand & Custom Services
- Having dozens of patents
- Full OEM / ODM support
- Low/high voltage, latching, pre-charging types
- ISO9001, ISO14001, ISO45001
- Private label available
Pre-sales Technical Support
- 24h technical response
- Application engineering (EV, marine, UPS, etc.)
- Free product selection guide
- Sample & prototype validation
- Detailed quote with specs
After-sales & Logistics
- 12 months warranty
- Global shipping (FOB, CNF, EXW)
- After-sales engineer support
- Batch traceability & test reports
- Spare parts & lifecycle support
Rated Current: 50–1500A
Rated Voltage: ≤60V
Contact types: Normally Open / Normally Closed
Coil Type: Single Coil / Dual Coil
Rated Current: 50–3000A
Rated Voltage: ≤80V
Contact Type: 1NO/1NC/1NO1NC/SPDT/DPDT/Magnetic latching


