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Siemens UC Parts

Siemens Unitary Controllers


  • Siemens Landis & Gyr 544 109
    $21.99 $10.99 Siemens Landis & Gyr 544 109
    U.C. - UNITARY CONTROLLER FW UPGRADE KIT - P/N: 544-109. NEW.
  • Siemens Landis & Gyr 544 110
    $269.00 $134.50 Siemens Landis & Gyr 544 110
    UNITARY CONTROLLER-PROCESSOR CARD. P/N: 544-110. REFURBISHED.
  • Siemens Landis & Gyr 544 120
    $199.00 $99.50 Siemens Landis & Gyr 544 120
    UNITARY CONTROLLER-ANALOG INPUT/OUTPUT CARD. P/N: 544-120. REFURBISHED.
  • Siemens Landis & Gyr 544 120.
    $249.00 Siemens Landis & Gyr 544 120.
    UNITARY CONTROLLER-ANALOG INPUT/OUTPUT CARD. P/N: 544-120 NEW.
  • Siemens Landis & Gyr 544 381
    $249.00 Siemens Landis & Gyr 544 381
    UNITARY CONTROLLER-BACKPLANE BOARD. P/N: 544-381. REFURBISHED.
  • Siemens Landis & Gyr 544 449
    $299.00 Siemens Landis & Gyr 544 449
    UNITARY CONTROLLER-ENCLOSURE ASSEMBLY W/ BLANK DOOR.*ENCLOSURE ONLY. P/N: 544-449. REFURBISHED.
  • Siemens Landis & Gyr 544 550
    $499.00 Siemens Landis & Gyr 544 550
    UNITARY CONTROLLER-ENCLOSURE ASSEMBLY W/ KEYPAD DISPLAY. P/N: 544-550. CABINET ENCLOSURE ONLY WITH KEYBOARD. REFURBISHED.