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ERV-YU ( Star Delta Relay )

ERV-YU ( Star Delta Relay )

ERV-YU ( Star Delta Relay ) – Reliable motor starting sequence control for industrial and plant-based automation systems.

Description

The ERV-YU ( Star Delta Relay ) is specially designed for automatic star-delta motor starting, ensuring smooth and controlled startup of heavy-duty motors. With a star time range of 0.1 to 30 seconds and a wait time of 10 to 500 milliseconds, this relay provides precise control over the transition between star and delta configurations.
Ideal for industrial automation, motor control panels, and plant machinery, the ERV-YU helps reduce inrush current, protect equipment, and improve operational efficiency. Its rugged build, accurate timing, and easy installation make it a trusted choice for star-delta starter applications.

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Our Certifications

Proudly certified and verified by Samwha DSP as an
official distributor of premium electrical accessories.

Trusted. Verified. Authorized.

Our Certifications

Proudly certified and verified by Samwha DSP as an official distributor of premium electrical accessories.

Certificate of Letter of Authority

Issued by Samwha DSP, this official document certifies the holder as an authorized distributor of genuine solar and electrical accessories. It confirms a trusted partnership, allowing the distributor to sell, promote, and support original Samwha DSP products within designated regions.

This certificate ensures supply chain transparency, reduces counterfeit risks, and builds customer confidence. Recognized distributors meet Samwha DSP’s standards in product knowledge, ethical sales, and customer service. Whether displayed online or in-store, it serves as a seal of authenticity and trust.