To access your customer's web services, please enter in your customer's account number or email then press Go. To access a web service, click on the link in the Online Tools & Services section. To access a web service, click on the link in the My TTI dropdown menu.

Please enter in your customer's account number or email address then press Go. To access a web service, click on the link in the Online Tools & Services section. To access a web service, click on the link in the My TTI dropdown menu.

By Email By Account #

Account Number

Enter customer's account number.

Select customer's entity.

Email Address

Enter the customer's email address.

Enter a valid email address.

Warning! To view customer specific pricing you must use the customer's email. Account number will only return basic web pricing.

You are currently logged in as a TTI employee accessing the web services for the following user:

You are currently logged in as a TTI employee accessing the web services for the following customer account:

If you no longer wish to access this customers account please click exit to logout of their web services. You will still be logged in as an employee.

Littelfuse DCNEV250 Series DC Contactor Relays

Littelfuse DCNEV250 Series High Current High Voltage DC Contactor Relays are available in polarized and non-polarized contacts to best suit electrical systems’ polarity. These relays feature Coil Economizer which significantly reduces coil power and heating after the contactor is energized. The DCNEV250 series are nylon UL 94-V0 housed and offer the durability of 200000 cycles. These high current and high voltage DC contactor relays are for automotive and electric vehicle applications such as charging stations, battery power supply, DC power control, circuit protection, and other switch controls.

Features

Coil Enonomizer greatly reduces coil power and heating
Compact structure
Designed and manufactured under the IATF16949 certification for Automotive Quality Systems
No mounting orientation restrictions
Pulse Width Modulation (PWM) reduces the average power delivered
Reduced noise when turned on
Sealed IP67 rating
The Gas-filled relay which mitigates arcing

Applications

Battery electric vehicles
Electric maintenance
Hybrid electric vehicles
Industrial applications
Material handling
Transport vehicles

Technical Specifications

Parameters	Values
Current rating	250A
Dielectric withstanding voltage	2200Vrms
Durability	200000 cycles
Frequency	80Hz to 2000Hz
Maximum short circuit current	2000A at 320VDC
Operating temperature range	-40°C to 85°C
Voltage rating	900V
Weight	0.43kg