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Phase-sequence Phase-loss Relay ND-380

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

    Three-phase Voltage and Phase-sequence Phase-loss 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.


    Our Value Design Products Increase the Value of Your Control Panels. Protect motors and other equipment from unstable voltages in the power supply system. Detect overvoltages, undervoltages, voltage asymmetry, phase sequence, and phase loss for three-phase power supplies.

    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: ND-380,ND-440,ND-220,

    Theory: Voltage Relay

    Usage: Protective

    Size: Miniature

    Protect Feature: Sealed

    Contact Load: High Power

    Function: Phase Sequence, phase loss, phase unbalance,overvoltage, undervoltage

    Features: LCD Light

    Indicators: LCD indicating operation and fault status

    Rated Voltage: AC380V

    Output Contact: 1NO 1NC

    Contact Capacity: 6A 250VAC

    Mounting: Din Rail

    Certifications: CE ROHS ISO9000

    Guarantee: 18months

    MOQ: 1PCS

    Product Details

    3.1 Key Specifications/Special Features

    Rated input voltage Relay output Model
    3-phase 3-wire 200, 220, 230, 240 VAC Relay: SPDT contact output ND-200,ND-220,ND-230,ND-240
    3-phase 3-wire 380, 400, 415, 480 VAC Relay: SPDT contact output ND-380,ND-400,ND-415,ND-480
    3-phase 3-wire 200, 220, 230, 240 VAC Relay: SPDT contact output ND-200w,ND-220w,ND-230w,ND-240w
    3-phase 3-wire 380, 400, 415, 480 VAC Relay: SPDT contact output ND-380w,ND-400w,ND-415w,ND-480w

    Note:  W indicates that the overvoltage and undervoltage range can be adjusted

    * The power supply voltage is the same as the rated input voltage.


    Rated input voltage ND-200,ND-220,ND-230,ND-240: Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC 
    ND-380,ND-400,ND-415,ND-480: Three-phase, three-wire Mode: 380, 400, 415, or 480 VACND-200w,ND-220w,ND-230w,ND-240w: Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC 
    ND-380w,ND-400w,ND-415w,ND-480w: Three-phase, three-wire Mode: 380, 400, 415, or 480 VAC
    Operating value setting 
    ND-200,ND-220,ND-230,ND-240, ND-380,ND-400,ND-415,ND-480Overvoltage :  +15% of rated input voltage Undervoltage : -15% to 30% of rated input voltage ND-200w,ND-220w,ND-230w,ND-240w, ND-380w,ND-400w,ND-415w,ND-480wOvervoltage  : +5% to 20% of rated input voltage 
    Undervoltage : -5% to 20% of rated input voltage 
    Note: Can be customized
    Operating value Operates at 100% of set value.
    Reset method Automatic reset
    1 to 8 s 
    Asymmetry 1 to 8 s
    0.1 s±0.05 s
    Phase loss 0.1 s max.
    display Normal : Green light;   Overvoltage, Undervoltage: Yellow light;   Phase loss, Phase sequence: Red light
    Output form Relay Output: SPDT contact 
    Output relay ratings Rated load 
    5 A at 250 VAC (Resistive load) 
    5 A at 30 VDC (Resistive load) 
    1 A at 250 VAC (Inductive load) 
    0.2 A at 48 VDC (Inductive load) 
    Minimum load: 5 VDC, 10 mA (reference values) 
    Mechanical life: 10 million operations min. 
    Electrical life: 5 A at 250 VAC or 30 VDC: 
    50,000 operations 
    3 A at 250 VAC or 30 VDC: 
    100,000 operations
    Ambient operating 
    -20 to 60°C (with no condensation or icing)
    Storage temperature -25 to 65°C (with no condensation or icing)
    Ambient operating 
    25% to 85% RH (with no condensation)
    Storage humidity 25% to 85% RH (with no condensation)
    Altitude 2,000 m max.
    Applicable wires Stranded wires, solid wires, or ferrules
    Applicable wire size 0.25 to 1.5 mm2 (AWG24 to AWG16)
    Wire insertion force 8 N max. for AWG20 wire
    insertion force
    15 N max.
    Wire stripping length 8 mm
    Ferrule length 8 mm
    Current capacity 10 A (per pole)
    Weight Approx. 60 g
    Mounting Mounts to DIN Track
    Dimensions 30 *60 * 76 mm (W*D*H)


    Input frequency 50/60 Hz
    EN 60947-5-1 
    Installation environment (pollution level 2, Overvoltage category III)
    EMC EN 60947-5-1
    Insulation resistance 20 MΩ min. 
    Between external terminals and case 
    Between input terminals and output terminals
    Dielectric strength 2,000 VAC for one minute 
    Between external terminals and case 
    Between input terminals and output terminals
    Impulse withstand 
    6 kV (between live terminals and exposed, noncharged metal parts)
    Vibration resistance Frequency: 10 to 55 Hz, 0.35-mm single amplitude 
    10 sweeps of 5 min each in X,Y, and Z directions
    Shock resistance 100 m/s2, 3 times each in 6 directions along 3 axes
    Degree of protection Terminals: IP20

    ♦ Features

      – Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance

      – Powered by the measuring circuit

      – 1 C/O contact

      – 5 LEDs for status indication


    ♦ Protective Functions

      – Phase sequence

      – Phase loss

      – Overvoltage

      – Undervoltage

      – Phase unbalance


    ♦ Typical Applications

        • Pumps     • Fans

        • Blowers    • Motors

        • Compressors


    ♦ Approvals

        • 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(亦可单独添加)

    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.

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