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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
  • Type: NDB-1
  • Color: White
  • Function: Overload, phase Loss, Unbalance
  • Contact Capacity: 1A 380VAC
  • Certifications: ROHS CE
  • Dimensions(mm): 90*30*63 or 123*32*67
  • Mounting: Screw fixing
  • Indicators: LED
  • Output Contact: 1NC
  • Product Detail


    Product Tags

    Do You Face These Problems?

    •  Alarms do not occur before equipment is damaged.
    •  Protection is necessary because of poor power supply quality
    •  overseas.


    Basic Info

    Place of Origin

    Zhejiang, China (Mainland)

    Model Number



    Current Relay



    Protect Feature


    Contact Load

    High Power

    Monitoring Function

    overcurrent, phase loss, current unbalance


    Powered by measuring circuit


    4 LEDS

    Rated Voltage


    Output Contact

    1NC SCR

    Contact Capacity

    1A 380VAC


    Panel & Screw Fixing


    CE ROHS ISO9000





    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   


    Technical data

    Type NDB-1
    Current range 2.5-5A,4-10A,8-20A,16-40A32-80A,64-160A,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


    Typical Applications

    Pumps、Fans、Blowers、 Motors、 Compressors. 



    Application of Feiner in electric box of shot blasting electromechanical control cabinet.


    Feiner’s application in automatic phosphorus line equipment.


    Feiner in the concrete electric control cabinet electric box application.


    Feiner in the printing and dyeing industry electric control cabinet electric box application.





    Patent certification


    Other certificate



    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)
    • Main Export Markets:Asia、Australasia、Eastern Europe、Mid East/Africa、North America、 Western Europe、Central/South America



    Our customers



    Packaging & Delivery:

    • 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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