Description
The Littelfuse TDU3001A is a solid-state delay-on-make timer engineered for precise, repeatable timing control in industrial automation and OEM applications. Powered by microcontroller-based digital circuitry, it accepts a wide universal input range of 100–240V AC/DC — eliminating the need for multiple SKUs across different voltage environments. When input voltage is applied, the timer initiates its preset delay cycle and energizes the output only after the timing period expires. Remove input power, and the unit resets automatically — ready for the next cycle without manual intervention. DIP switch adjustable timing ranges make field configuration fast and tool-free, while the fully encapsulated solid-state construction ensures long-term reliability with no mechanical wear.
Key Features
- Universal input voltage: 100–240V AC/DC for broad compatibility
- Solid-state encapsulated design — no moving parts for maximum service life
- Delay-on-make timing function enables controlled output sequencing
- DIP switch adjustable timing range for fast, flexible field setup
- Microcontroller-based circuitry delivers high repeat accuracy
- Compact form factor suits industrial control panels and OEM enclosures
- Well-suited for automation systems, pumps, conveyors, and process control
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