As a professional relay manufacturer, supplier, and factory in China, KEYONG delivers a comprehensive range of power relay solutions engineered for stability, safety, and long-term performance. Backed by ISO-certified production systems and globally recognized certifications (UL, TUV, CE, CQC, RoHS), KEYONG power relays are widely trusted across industrial and commercial applications.
A power relay is designed to control high-current loads and ensure safe switching in demanding electrical systems. Compared with signal relays, power relays feature higher load capacity, stronger insulation, and enhanced durability, making them essential in automation, energy systems, and heavy-duty equipment.
Designed for renewable energy charging and storage systems
High switching capacity and thermal resistance
Ideal for EV charging stations, battery systems, and solar inverters
A critical category overlapping with Automotive Relay applications
Versatile relays for household appliances and commercial equipment
Stable performance with long electrical life
Commonly used in HVAC, smart home devices, and power distribution units
Engineered for industrial automation control systems
High reliability under harsh environments (temperature, vibration, load)
Widely applied in PLC systems, machinery, and factory automation lines
Compact structure for printed circuit board mounting
Optimized for space-saving electronic designs
Suitable for communication devices and embedded control systems
Combines characteristics of Signal Relay and power relay
Enables both control signal switching and moderate load handling
Used in intelligent control modules and smart technology systems
