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Current monitoring relay NDB-1

Short Description:

  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags


    overcurrent relay, Motor protection relay

    Do You Face These Problems?

    1. Alarms do not occur before equipment is damaged.

    2. Protection is necessary because of poor power supply quality overseas.

    Company Profile

    Business Type: Manufacturer/Factory & Trading Company

    Main Products:  Phase-sequence  Relay,Motor Protector Relay,digit ammeter/voltmeter,Lightning Surge Protector,Compressor temperature controller

    Management System Certification: ISO 9000

    Location: Zhejiang, China (Mainland)

    Basic Info

    Place of Origin: Zhejiang, China (Mainland)

    Model Number:NDB-1

    Theory: Current Relay

    Usage: Protective

    Size: Miniature

    Protect Feature: Sealed

    Contact Load: High Power

    Monitoring Function: overcurrent, phase loss, current unbalance

    Features: Powered by measuring circuit

    Indicators: 4 LEDS

    Rated Voltage: AC24-380V

    Output Contact: 1NC SCR

    Contact Capacity: 1A 380VAC

    Mounting: Panel & Screw Fixing

    Certifications: CE ROHS ISO9000

    Guarantee: 18months

    MOQ: 1PCS


    Product Details

    3.1 Key Specifications/Special Features

    Technical data

    Type NDB-1
    Current range 2.5-5A,4-10A,8-20A,16-40A32-80A,63-160A,128-320A
    Startup delay 5s,10s,20s
    Protective functions Overload,phase loss,phase unbalance
    Setting method By knod
    indicators ABC overload,phase loss
    Output contacts 1NC(SCR output)
    Contact capacity 1A 380VAC
    Operating voltage of control loop AC220V or AC380V
    Dimensions(H×W×D) 2.5A-80A: 90*30*63mm160-320A: 123*32*67mm
    Mounting Screw fixing



      – Integrative structure

      – Three-phase monitoring of overload, phase loss, phase unbalance

      – Powered by the measuring circuit

      – 1 NC SCR output contact  

      – 4 LEDs for status indication   


    Protective Functions

      – Overload

      – Phase loss

      – Phase unbalance 


    Typical Applications

        • Pumps     • Fans

        • Blowers    • Motors

        • Compressors




        • CE   • ROHS


    Main Export Markets

    Asia                                Australasia

    Eastern Europe                  Mid East/Africa

    North America                   Western Europe

    Central/South America


    Packaging Details:

    Voltage relay is standard seaworthy package,

    1pcs individual box or 5pcs in a middle box,

    100pcs per carton.

    Base quotation is blank package.

    OEM design is acceptable.

    Delivery Time 1-30days, according to order quantity.


    Payment & Delivery

    Our Payment term is T/T, Aliexpress, Western Union, PayPal, Money Gram, L/C at sight.

    Delivery Details: within 30-50days after confirming the order


    Primary Competitive Advantage

    Small Orders Accepted            Brand-name Parts       Country of Origin                          

    Distributorships Offered            Electronic Link            Experienced Staff

    Form A                                   Green Product            Guarantee/Warranty

    International Approvals             Military Specifications        Packaging

    Price                                      Product Features               Product Performance

    Prompt Delivery                       Quality Approvals              Reputation

    Service                                   Sample Available               Frequency Customized

    Product price: Affordable

    Product Delivery: Fast

    After-sales service: guaranteed

    Product quality: reliable

    Communication efficiency: fast


    Transport Safety: Guaranteed

    Logistics price: cheap

    Transport time: fast


    Variety range: complete

    Company reputation: good, excellent,

    Same version of product: inspection payment

    Audit factory requirements: OK


    1.Can you supply the sample before real order?

     – Yes, Samples are no problem.


    2. Can you custom-made products for us as our samples?

     – Yes, Our engineer will it for you.


    3. What advantages do you have?

     –:. Cixi Feinade Electrical Appliance Plant are the direct Manufacturer in ningbo China, we have professional developing, marketing & production team to offer you the most competitive price and best service.


    4. What’s your main product?

     –:.We are 100% focus on Automation Products Voltge Monitoring Relay, Motor Protection Relay, volt-ammeters, surge protector, temperature controllers.


    5. Could you print our own logo?

     –.:Yes, Our company are available for Retail & Wholesale & OEM & ODM.


    6. How long is the quality guarantee?

     – 18 month warranty, our products are 100% inspection.


    7 How long is the deliver time?

     – : It usually takes about 3 – 5 working days for sample order and 10 – 25 days for big order.


    8. What is your payment terms?

    –. Our Payment term is T/T, Aliexpress, Western Union, PayPal, Money Gram, L/C at sight

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