• Bottom Flange = 31" Square
  • Roof Opening = 24" Square
  • Curb Height = 12"
  • Made In The USA
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      40A SPST N/O 240Vac Power 90~280Vac Control

      A2440

      New

      • Zero Cross Fire Back to Back SCR Design
      • Hocky Puck Style
      • Maximum I²T Fusing Is 1620A²Seconds
      • Line Voltage 24 ~ 280Vac
      • Ambient Operating Temperature -40°F ~ 176°F
      • Thermal Resistance .45°F C/W

      More details

      $57.00

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      6 Items

      • Burst-Firing (Zero Cross Fire) Turns Power ON and OFF During The AC Cycle At Zero Potential. This Type Of Relay Should Be Protected With Semiconductor Fuses. On A High Fault Short These Type Of Fuses Open In Tenths Of a Millisecond .  The Fuse Should Be Sized 125% Of The Current Load Of The Relay.  The I²T Rating Of The Fuse Must Be Below The Maximum I²T Rating Of The Relay.

        NOTE: (I²T) Rated Current Squared Multiplied by Time (Seconds) 

        Crydom A2440

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