Description
The Littelfuse TDU3000A is a solid-state delay-on-make timer engineered for precise, repeatable timing control in industrial automation and OEM applications. Built around digital microcontroller-based circuitry and fully encapsulated for durability, this timer accepts a wide universal input range of 24–120VAC/DC — eliminating the need for multiple voltage-specific models. Upon application of input voltage, the timer initiates its delay cycle and energizes the output only after the preset time has elapsed. When input power is removed, the unit resets automatically, ensuring clean, reliable sequencing every cycle. DIP switch-adjustable timing ranges make field configuration straightforward, while the compact, no-moving-parts design fits easily into standard industrial control panels, machinery enclosures, and OEM equipment builds.
Key Features
- Universal input voltage: 24–120VAC/DC — one unit covers multiple applications
- Solid-state, fully encapsulated construction with no moving parts for long service life
- Delay-on-make timing function energizes output only after preset delay has elapsed
- DIP switch-adjustable timing range for fast, tool-free field setup
- High repeat accuracy ensures consistent, dependable operation cycle after cycle
- Compact form factor designed for industrial control panels and enclosures
- Ideal for OEM equipment, process control, and machinery sequencing applications
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