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W2C Series Dual-power Automatic Transfer Switches (ATSE)

W2C Series Dual-power Automatic Transfer Switches (ATSE)
W2C Series Dual-power Automatic Transfer Switches (ATSE)

INTRODUCTIONTo meet the needs of our customers, we have recently released the W2C economic and practical PC-level two-stage automatic transfer switches. These single-pole double-throw switches have independent electromagnetic operation that features rapid transfer, compact structure and reliability.

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Product Description
TECHNICAL PARAMETERS
  • Rated voltage : AC400V
  • Rated Impulse withstanding voltage : 6kV
  • Rated current : 16A, 20A, 25A, 32A, 40A, 50A, 63A
  • Rated isolation voltage : AC690V
  • Coil driving power : AC220/230V, 3.5A
  • Rated limited short-circuit current : 20kA
  • Use category : AC-31B
  • Lifespan (time) : Mechanical 8000 / Electric 3000
  • Number of poles : 2P, 3P, 4P
  • Weight : 4kg, 4.5kg, 5.5kg
  • Operation cycle : 30s
WIRING INFORMATION
  • Make sure the wiring is carried out by professionals who have a proper understanding of this manual.
  • Before wiring examine the switch to ensure that it is undamaged. Operate the switch using the operating handle and use a multimeter to check that all phases of the active (standby) power and load connection/disconnection are normal.
  • When wiring pay special attention to the following :
    a. The phase sequences of the active and standby power should be verified to be the same.
    Verify that the voltage of the active and standby control power are both 220VAC.
    b. Perform the wiring according to the labels that identify the wiring terminals of the main circuit and the control circuit.
    c. Ensure the switch is grounded properly.
  • Use the operating handle only for switch debugging and maintenance in the power off. Do not use the operating handle with a load. The handle should be removed before the switch is under power.