DCNSEV30-C - DCNSEV30 Series

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Disclaimer Notice

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.

Featuring a magnetic arc blowout design and IP67 sealed, gas-filled chamber, the DCNSEV30 Series 900V 30A High-Voltage DC Contactor Relay was developed for electric vehicle (EV) and eMobility applications, such as battery power supply, charging stations, motor control, circuit insulation, and circuit protection. The 30A relay can also be used as a safety device in industrial machinery.

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

This configuration of the DCNSEV30 Series 30A contactor (DCNSEV30-C) has a 24V dc coil rating.

Features and Benefits

  • High-voltage (900V) DC contactor for electric vehicles (EV), eMobility applications, and industrial machinery
  • 30A current rating ideally suited for pre-charge circuits or small electrical loads
  • 24V dc (nominal), 18-28V dc (working) coil voltage rating
Property (Mouseover for details) Value
Current Rating (Continuous) in Amps 30
Voltage Rating (Max) 900
Circuitry SPST
Ingress Protection IP67
Output Terminals M5
Contact Material 3.4 - 4.5 Nm (30 - 40 in-lb)
Hardware M4 with Compression Limiters
Connector Wire Leads for Control Circuit
Housing Nylon UL 94-V0

pdficon DCNSEV30-C 2D Prints

DCNSEV30-C 2D Prints

pdficon DCNSEV30 Instruction Sheet

pdf icon Battery Disconnect and Protection

3D Model - DC Contactor Relays

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.

pdficon DCNSEV30 Datasheet

DCNSEV30 Datasheet

pdficon Relays Brochure

pdficon Contactor Application Note for High Voltage Electric Vehicles

Contactor Application Note for High Voltage Electric Vehicles

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