Thermal Equipment Sales Co., Inc.

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  • SCR Controls  
  • E Shop : Power Controls : SCR Voltage Controls
    SCR's: Precise proportional control of resistance heating loads. SCR's provide reliable voltage control solutions for a wide varitity of heating applications.

    Constant resistance heating loads can be controlled to tighter tolerance
    High inrush heating loads can be brought on line slowly with a "soft start" or ramp up to voltage.

    Payne offers features that make SCR's reliable for today's manufacturing enviroment.

  • Large Specially engineered Heat sinks allow higher temperature tolerance.
  • Surge Protection: "Vbo Clamping" protects semiconductors against transient voltages regardless of PIV ratings and without MOVs.
  • Short Circuit Protection: factory-tested sub-cycle, "2 millisecond" current-limiting fuses protect the power semiconductors against short circuit damage.
    • Advantages:
    • Millions of Cycles
    • No electromechanical Noise
    • No moving parts
    • Quite
    • protection from chemicals and dust.
    • High resistance to shock and vibration.
    • No Arcing Contacts
      Dis-advantages:
    • Contact voltage drop "1 to 1.6 volts"
    • Heat sensitive 50° C
    • Heat producing
    • Tolerance to voltage spikes.

    For pricing Select Application.
    Model
    Number
    StylePhaseLoad Applications
    18DPhase Angle Control1 PhaseLine to LineConstant Resistance Loads
    18EPhase Angle Control3 PhaseBalanced or
    Delta Connected Loads
    Constant Resistance Loads
    18DZZero Fire Control1 PhaseLine to LineConstant Resistance Loads
    18EZZero Fire Control3 PhaseBalanced or
    Delta Connected Loads
    Constant Resistance Loads

                 

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