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 solution

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 – power contactors for AC and DC (bidirectional) up to 4.8 KV and 1,100 ACT – power contactors for AC and DC (bidirectional) up to 4.8 KV and 1,100 A

Combination of electric and permanent-magnetic blowout in one contactor.

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1 pole bi-directional high-voltage contactors, disconnectors, changeover switches for DC and AC

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