Skip to content


Fixed Capacitor Banks

NUCO Controls designs and manufactures fixed capacitors including fused, non-fused, and custom designs for specific applications.

NUCO’s standard fixed capacitor banks are available in the following configurations:

  • 240-600VAC, 3PH
  • NEMA 1, 12, 3R, or 4
  • Fused or Non-Fused

NUCO also provides custom solutions to fit your needs. Please contact us for non-standard configurations.


  1. For other enclosure ratings and options, please see part number configurator below.
  2. 480V ratings up to 75 KVAR are NEMA Type 4 standard (covers NEMA 1, 12, and 3R).
  3. Capacitors rated 100 KVAR and above, Type 12 and 3R, include vents and fans.
  4. Dimensions for non-fused and fused options are identical.