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SolarModel Type 9133-1 -Three Phase `Delta` Capacitor Assembly

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Solar Type 9133-1 Three Phase Capacitor Assembly for Line-to-Line Capacitance in Delta Connected Power Systems. This handy device contains three capacitors, 10 µF each, connected to provide capacitance from phase A to B, A to C, and B to C. The capacitors are rated at 270 VAC. As a safety feature, each capacitor is paralleled with a 500 K resistor to prevent a voltage charge from remaining on the assembly after power is disconnected. It is fitted with 1/4-28 feedthru studs to facilitate making connection from three phase power to a three phase load up to 100 A. The Type 6512-106R capacitor can be used for the neutral in `wye` connected power systems.

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  • Capacitance: 3 x 10 µF ± 10% @ 25° C
  • Voltage rating: 270 VAC at 60 Hz, 135 VAC at 400 Hz
  • Current rating: 100 A (limited by 1/4-28 threaded terminals)
  • Temperature: -55° C to 100° C (125° C with 50% voltage derating)
  • Dissipation factor: <1% @ 25° C
  • Dielectric strength: Twice rated voltage @ 25° C
  • Insulation resistance: At rated voltage or less for a period of two minutes, the insulation resistance will exceed 2500 MΩ @ 25° C line to line. However, insulation resistance in excess of 500 kΩ cannot be measured due to the bleeder resistors built into the units.
  • Bleeder resistor: Line to line internal bleeder resistors of 500 kΩ included
  • Life test: Life test: Will withstand the application of 600 VDC @ 85° C for 250 hours
  • Terminals: 1/4-28 threaded feed-thru studs
  • Dimensions: 4.50" wide x 4.00" high x 4.50" deep (11.43 cm x 10.16 cm x 11.43 cm)
  • Dimensions with connectors: 6.50" wide x 4.00" high x 4.50" deep (16.51 cm x 10.16 cm x 11.43 cm)
  • Weight: 2.73 pounds (1.24 kg)
  • Boxed weight (approx.): 4 pounds (1.81 kg)