DCNSEV30 Series - DCNSEV30 Series High Voltage DC Contactor Relays

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High current and high voltage DC contactor relays for electric vehicle applications such as battery power supply, charging pill, motor control, circuit insulation, circuit protection, and also safety devices for industrial machinery. Are available with polarized and non-polarized contacts to best suit electrical systems’ polarity.

Applications 

  • Battery Electric Vehicles 
  • Hybrid Electric Vehicles 
  • Material Handling 
  • Electric Maintenance and Transport Vehicles 
  • Industrial Applications 

Features and Benefits 

  • High current (30A) and high voltage (900V) contactor for EV applications 
  • Compact structure, helping reduce noise when turned on 
  • Sealed IP67, gas filled relay which prevents arcing 
  • No mounting orientation restrictions 

Access specifications, certifications, check availability and order parts below

Catalog #VoltageContinuous currentCircuitryDescriptionTerminalsIngress ratingContact MaterialsHousingVoltage ratingMounting hardwareTerminal hardwareTemperature rangeConnectorIngress ProtectionCompare
DCNSEV30-B12-900V30ASPST NOHigh Voltage DC Contactor Relay Bottom Mount with Polar Load Terminals with Coil Voltage 12V DCM5IP673.4 - 4.5 Nm (30 - 40 in-lb)Nylon UL 94-V012-900VM4 with Compression LimitersSilver Plated Copper-40C to 85CWire Leads for Control CircuitIP67
DCNSEV30-C12-900V30ASPST NOHigh Voltage DC Contactor Relay Bottom Mount with Polar Load Terminals with Coil Voltage 24V DCM5IP673.4 - 4.5 Nm (30 - 40 in-lb)Nylon UL 94-V012-900VM4 with Compression LimitersSilver Plated Copper-40C to 85CWire Leads for Control CircuitIP67
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pdf icon DCNSEV30 Datasheet

pdf icon DCNSEV30 Series DC Contactor Relays 2D Prints

Part Numbers: DCNSEV30-B and DCNSEV30-C

pdf icon DCNSEV30 Instructions

3D Model - DC Contactor Relays

DC Contactor Relays Selection Guide

pdf icon Automotive Electronics Applications Guide

This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.