DCNEVT500 Series - 1800V 500A High-Voltage DC Contactor Relay

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Thanks, in part, to a hermetically sealed, ceramic arc chamber, the DCNEVT500 1800V 500A High-Voltage DC Contactor Relay is an ideal choice for electric vehicle (EV), hybrid electric vehicle (HEV), circuit protection, battery switch disconnect, and main transfer switch applications.

The high-voltage, single-pole contactor also features a dual coil economizer that reduces power and heating after the contactor is energized. Once the contactor is energized, it takes minimal coil power to keep the contacts closed due to pulse width modulation (PWM) reducing the average power delivered by pulsing the electrical signal.

Utilizing polarized contacts, this high-voltage DC contactor performs optimally amidst polarized electrical loads.

Available configurations of this bottom-mount 500A contactor for electric vehicles include models with 12V dc or 24V dc coil voltage ratings and models with or without an auxiliary contact.

Features and Benefits

  • High-current (500A) and high-voltage (1800V) DC contactor for electric vehicles (EV) and eMobility applications
  • Dual coil economizer greatly reduces coil power and heating with pulse width modulation (PWM)
  • Hermetically sealed contact chamber protects all moving parts
  • Ceramic arc chamber enables higher contact voltage capability
  • Available with or without an auxiliary contact
  • 360KW power switch capable
  • Designed and manufactured under the IATF16949 certification for Automotive Quality Systems
  • Electric vehicle contactor features single-pole, single-throw (SPST), normally open (NO) circuitry


  • Battery Electric Vehicles (BEV)
  • Hybrid Electric Vehicles (HEV)
  • Material Handling
  • Electric Maintenance and Transport Vehicles
  • Industrial

Access specifications, certifications, check availability and order parts below

Catalog #Current Rating (Continuous) in AmpsVoltage Rating MaxCircuitryIngress ProtectionOutput TerminalsContact MaterialHardwareConnectorHousingTemperature Maximum CelsiusTemperature Minimum CelsiusStockSamplesCompare
DCNEVT500-B5001800SPSTIP54M1013 - 15 Nm (115- 130 in-lb)M5M3.5 x 0.6Nylon UL 94-V085-40CheckOrder
DCNEVT500-BA5001800SPSTIP54M1013 - 15 Nm (115- 130 in-lb)M5M3.5 x 0.6Nylon UL 94-V085-40CheckOrder
DCNEVT500-C5001800SPSTIP54M1013 - 15 Nm (115- 130 in-lb)M5M3.5 x 0.6Nylon UL 94-V085-40CheckOrder
DCNEVT500-CA5001800SPSTIP54M1013 - 15 Nm (115- 130 in-lb)M5M3.5 x 0.6Nylon UL 94-V085-40CheckOrder
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