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Voltage control relay AC 3x208-3x440V AC 3x120-3x254V 50/60Hz
  • Voltage control relay AC 3x208-3x440V AC 3x120-3x254V 50/60Hz

Voltage control relay AC 3x208-3x440V AC 3x120-3x254V 50/60Hz

Min. Order:
500 Piece/Pieces
Payment Terms:
Paypal, L/C, T/T, WU, Money Gram
Place of Origin:
Zhejiang, China (Mainland)
Means of Transport:
Ocean, Air, Land
Production Capacity:
carton box packing
Delivery Date:
Voltage Relay
Protect Feature:
Contact Load:
High Power

  • Product Description
  • Related Products
  • Related Links
  • relé de control de voltaje

    1. Applications

    Used in air conditioning units, elevator machine room, pumps, fans and other motor control applications, as protection of over-voltage, under-voltage, phase loss, phase sequence, 3-phase imbalance. When the power supply is abnormal, stop supply to protect the equipment.

    2. Features 

    Built-in microprocessors, true RMS measurement, voltage measurement accuracy ≤1%. 50/60Hz universal, knob setting. LED indicator shows working status. Rated voltage three-phase three-wire 208V~440V & three-phase fourwire 120V~254V universal. N-phase phase failure protection, DIN-rail mounting.

    3. Technical Parameters

    Related control supply voltage: M440:AC 3x208→3x440V; M254: AC 3x120→3x254V 50/60Hz

    Working voltage range: M440: AC 166V→528V; M254: AC 96V→329V

    Voltage threshold range: 2%~20% of rated voltage

    Unbalance threshold range: 5%~15% of rated voltage

    Fixed hysteresis rate: 2%

    Action delay range: 0.1s~10s   

    Phase failure and phase sequence: ≤0.5s

    Reset delay range: 0.1s~10s   

    Voltage measurement error: ≤1% (Entire setting range)

    Delay error: ±10% +0.1s

    Knob setting accuracy: 1% Scale value 

    Rated insulation voltage: 460V 

    Contact configuration capacity(A): 2 C/O,1 C/O+1 C/O 8A 

    Utilisation category: AC-15

    Contact capacity: Ue/le: 250V/1.5A

    Electrical durability: 100,000

    Mechanical durability: 1000,000

    Degrees of protection: IP20

    Pollution degree: III

    Short circuit protector type: NT00-6A 

    Altitude: ≤ 2000m

    Permissible relative humidity: ≤ 50% (40℃) No condensation

    Installation: Screw mounting or DIN rail mounting

    4. Funtion Diagram

    5.  Wiring Diagram

    6.  Terminal Diagram

    7.  Dimension

    Customization is acceptable, please contact us. Thanks!