Square D 400A 600VAC/DC, 3P3W Heavy-Duty Safety Switch Disconnect

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Quick Overview

  • Voltage (Volts): 600
  • Number of Poles: 3.0
  • Type: Non Fusible
  • Additional Features: Rainproof
  • Square D  400A 600VAC/DC, 3P3W Heavy-Duty Safety Switch Disconnect

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    Square D 600V Heavy-Duty Safety Switch Disconnect
    For inverters that do not include a DC disconnect, or when an additional DC disconnect is required, one of these 600 VDC disconnects can be used. Many utilities require an AC disconnect between a grid-tie inverter and the AC load center, close to the AC service entrance, and with a visible and lockable handle.

    The Square-D 600 VDC-rated 30 A, 60 A, and 100 A three-pole safety switches are rated by Square-D to handle one 600 VDC circuit per pole for PV (although they are not UL-listed for this purpose). The 30 A switch is rated for 16 A short-circuit current (Isc at PV module STC) for non-fused versions, and 12.8 A (Isc) for fused versions. The 60 A switch is rated for 48 A (Isc) for non-fused versions and 38 A (Isc) for fused versions. The 100 A switch is rated for 80 A (Isc) for non-fused versions and 64 A (Isc) for fused versions.

    All of the Square-D 600 VDC non-fused disconnects are rated for disconnecting one circuit at full rated current using two poles in series. Fused disconnects are rated for 80% of switch current rating at up to 600 VDC.

    Use Class-R fuses of the proper voltage and amperage for fused disconnects. 600 V fuses will not fit into 240 VDC disconnects, and 250 VAC/125 VDC fuses will not fit into 600 V disconnects, and vice-versa.

    Heavy-Duty (HD) switches are rated for “Service duty”. Use the fused versions for AC line-side taps.

    Specification:

    Brand Square-D
    Manufacturer Part Number HU365R
    NEMA Rating NEMA 3R
    Number of Poles 3.0
    Max AC Voltage 600.0
    Fused (Y/N) N
    Length 50.31  IN
    Width 27.88  IN
    Height 10.13  IN
    Weight 187.0  LB

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