Littelfuse Heavy Duty Time Delay Bi-Stable Relay

Featured Product from Littelfuse, Inc.

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CHICAGO, December 4, 2018 — Littelfuse, Inc.,the global leader in circuit protection, introduced the new Heavy Duty Time Delay Bi-Stable Relay for the commercial vehicle industry. This Heavy Duty Time Delay Relay is ideal for Construction, Military, Transit and Heavy Duty Trucks.

The Heavy Duty Time Delay Bi-Stable Relay disconnects the battery from the vehicle electrical system with voltage self-recognition. It has immediate switch ON, controlled switch OFF, programmable delay time, and service state managing (service switch OFF and switch ON). The Heavy Duty Time Delay Bi-Stable Relay has a non-volatile memory, low battery alert system, and is thermal protected.

This Relay has an amperage rating of 250A and has a 12V/24V voltage rating. Geoff Schwartz, Business Development Manager, Commercial Vehicles, at Littelfuse, said “This relay is programmable, and its delay time can adjust from 1 sec to 1 hour”. The Heavy Duty Time Delay Bi-Stable Relay fits well with Selective Catalytic Reduction Engines.

08070900 Heavy Duty Time Delay Bi-Stable Relay offers many benefits including:

  • Remote command line for normal working (switch).
  • Remote command line for SERVICE/EMERGENCY working (push button).
  • NORMAL/SERVICE mode selection with power down restore.
  • Immunity to dirty switches.
  • Lamp driving line for error/status signaling.

The 08070900 Heavy Duty Time Delay Bi-Stable Relay is available with a built in TE Superseal Connector and is UNECE R10 Rev05 Compliant. Sample requests may be placed through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit

For More Information
Additional information is available on the Heavy Duty Time Delay Bi-Stable Relay product page.For technical questions, please contact our technical support team at

About Littelfuse
Founded in 1927, Littelfuse is the global leader in circuit protection with advancing platforms in power control and sensor technologies. The company serves customers in the electronics, automotive and industrial markets with products that include fuses, semiconductors, polymers, ceramics, relays and sensors. Littelfuse has more than 11,000 employees in more than 50 locations worldwide. For more information, please visit