Reliable DC contactors for heavy mining trucks

Schaltbau contactors increase availability of electrical drive systems

Customer profile

  • Application: Electric drive systems for heavy mining trucks
  • Industry: Heavy Mining Equipment
  • Country: USA

Customer case

  • A world leading manufacturer of construction and mining equipment with over 4 million products in use around the globe
  • Safe and reliable DC contactors were an important factor in the design to support the availability goals higher than 90%
  • Stringent shock and vibration requirements.

Schaltbau DC contactors have improved safety and reliability by:

  • having high shock and vibration resistance (approved by customer’s test)
  • outstanding arc extinguishing technology, especially designed for heavy-duty applications
  • switching under load no matter if charging or discharging (bi-directional)

Further customer benefits:

  • Local customer assistance throughout the product lifecycle by experienced Schaltbau engineers
  • Extensive testing and design-in support
  • Certified products according to highest safety standards

Safe disconnection of high voltages

CT - AC and bi-directional DC power contactor

Combination of electric and permanent-magnetic blowout in one contactor. 1- or 2-pole NO contactor up to 4,800 volts; conventional thermal current up to 1,100 amps.
CP - Modular and compact switchgear

1 pole bi-directional high-voltage contactors, disconnectors, changeover switches for DC and AC. Performance category 4,800 volts, 2,000 amps.
CF - Multipole, modular power contactors

1-, 2-, 3-, 4-, 5- and 6-pole uni- and bi-directional DC and AC NO and/or NC power contactors up to 3,000 volts and 400 amps