Three-Phase Power Protection Relay FD-RB03A

The FD-RB03A is a three-phase power protection relay for elevator and motor control systems. It monitors a 380 VAC three-phase power supply and provides relay contacts for control circuit protection. The unit is suitable for compatible electrical control cabinets and motor applications.

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Description

Product Information Table

Feature Specification
Model Number FD-RB03A
Product Type Three-Phase Power Protection Relay
Brand Changshu Feida Electronics Factory
Rated Voltage 380 VAC
Frequency 50/60 Hz
Contact Capacity AC250V / 3A
Power Terminals L1, L2, L3
Relay Terminals 11, 12, 14
Application Elevator and Motor Control Systems
Installation Electrical Control Cabinet

Related & Alternative Models

We can also supply similar three-phase power protection relays and elevator electrical control components.

Since compatibility depends on the rated voltage, frequency, terminal arrangement, contact capacity, and protection function, no unverified alternative model numbers are listed here. Please send us a photo of the original relay label and wiring if you need help confirming a similar model.


Why Choose Potensi?

  • 99% Market Coverage: We can supply nearly 99% of elevator spare parts on the market.
  • Genuine Quality Assurance: We provide genuine and reliable elevator components.
  • Expert Identification Support: Send us the model number or product photos, and we can help confirm the correct part.
  • Global Shipping: We support fast and reliable international delivery for elevator maintenance projects.

FAQ

Q1: What is the function of the FD-RB03A relay?
A: The FD-RB03A monitors a three-phase power supply and uses relay contacts to provide protection and control signals for compatible elevator or motor control systems.

Q2: What is the rated voltage of this relay?
A: The product label indicates a rated voltage of 380 VAC at 50/60 Hz.

Q3: What is the contact capacity?
A: The label indicates a contact capacity of AC250V / 3A.

Q4: What do the terminals L1, L2, and L3 represent?
A: L1, L2, and L3 are the three-phase power input terminals. Terminals 11, 12, and 14 are the relay contact terminals shown on the product label.

Q5: Can you help confirm the correct model if I am not sure?
A: Yes. Please send clear photos of the original relay, product label, wiring, terminals, and installation position. Our technical team can help identify the correct model.

Q6: Do you supply other elevator electrical components?
A: Yes. We supply power protection relays, contactors, relays, PCBs, sensors, switches, and other elevator spare parts.

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