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Model No: FD-RB03A
Changshu Feida Three-Phase Power Protection Relay FD-RB03A / Phase Monitor
Genuine Changshu Feida three-phase power protection relay (Model: FD-RB03A). Designed for 380VAC 50/60Hz power systems, this high-reliability relay provides essential protection against phase loss, phase reversal, and voltage instability for elevator motors. POTENSI ensures 100% original factory condition with CCC and CE certifications and provides expert technical verification for global maintenance professionals.
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Product Specifications and Details
Property | Value |
|---|---|
Product Name | Three-Phase Power Protection Relay / Phase Sequence Relay |
Brand | Changshu Feida |
Model Number | FD-RB03A |
Condition | 100% Original New (Factory Sealed) |
Rated Voltage | 380VAC 50/60Hz |
Contact Capacity | AC250V / 3A |
Certifications | CCC, CE Certified |
Application | Elevator Control Cabinet & Motor Protection |
Similar Models | FD-RB01, FD-RB03, XJ3-D, DVRD-380, etc. |
Warranty | 12 Months Original Factory Warranty |
Global Shipping | Express Delivery (DHL/FedEx/UPS/TNT) |
Why Source FD-RB03A from POTENSI?
- 100% Authenticity Guaranteed: Power stability is critical for preventing motor burnouts. POTENSI exclusively supplies 100% genuine Changshu Feida FD-RB03A relays sourced from authorized channels, ensuring the precise response time and electrical durability required by safety standards.
- Expert Model Verification: Phase protection relays must match the specific voltage and frequency of the local power grid. Our technical team provides free model verification—simply send us a photo of your control cabinet wiring diagram or the old relay's label, and we will confirm the exact compatibility before shipment.
- Global Supply Expertise: With over a decade of experience in the elevator industry, POTENSI has established a reliable supply chain, providing high-quality electrical protection components to maintenance companies in over 80 countries.
Logistics and After-Sales
- Professional Packaging: Electrical relays are sensitive to vibration and environmental moisture. We use secure industrial packaging and shock-absorbent materials to ensure the FD-RB03A arrives at your site in perfect factory condition.
- Reliable Dispatch: POTENSI prioritizes your maintenance schedule. Shipping is handled via leading global couriers to ensure trackable and secure delivery. For specific delivery timelines, our team provides real-time updates upon inquiry.
- Return Policy: Guaranteed return or replacement if the component is found to be non-genuine or does not match the specifications provided.


Comprehensive score