CA450 CONTACTOR
3PST+AUX, 450 AMP

Newest Addition to the Leach High-Voltage AC Family

  • Reliable switching at 450 A, 115 / 230 VAC
  • Tested overload at 1800 A
  • Lightweight busbar mounted design
  • Auxiliaries include 8PDT Compatible with variable frequencies (360Hz – 800Hz)
  • Tested for generator short circuit at 2,900 A
  • Comprehensive Environmental Testing

Leach International introduces its latest 115 / 230 VAC variable frequency main line contactor featuring advanced switch technology and high reliability. This high current contactor is engineered for demanding aircraft installation environments characterized by high vibration and elevated temperatures.

The new design delivers superior current switching capability and maintains consistent contact voltage drops (CVDs) at rated currents. Built to accommodate an expanding range of aircraft installation requirements, it provides reliable performance for both military and commercial aviation applications.

PRINCIPAL TECHNICAL CHARACTERISTICS

Main Contacts Rated115 VAC 360 Hz to 800 Hz, 450 A
Coil Supply28 VDC
Weight (lb)3 Max
Dimensions (inch)4.460 x 4.020 x 3.655 Max
Contact Rating*450 A Resistive & 360 A
Electrical Life50,000 cycles
Mechanical Life100,000 cycles

*Amperage rating with inductive loads assuming a power factor of 0.7

AUXILIARY

  • Configuration: 8PDT
  • Voltage: 28 VDC
  • Contact Rating: 5 A

COIL CHARACTERISTICS

  • Nominal Voltage: 28 VDC
  • Operating Voltage: 15 to 32 VDC
  • Coil Transient Voltage: 60 VDC Max
  • Dielectric Strength: 500 VDC (Sea Level)
  • Insulation Resistance: 100 MOhm Min (500 VDC, Sea Level)

APPLICATIONS

  • Generator Line Contactor (GLC)
  • Main Line Contactor (MLC)
  • High Current Load Contactors
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