TDUH3001A
Littelfuse Relays, TDU Series

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TDUH3001A

Littelfuse Relays, TDU Series
Littelfuse
main product photo

TDUH3001A

Littelfuse Relays, TDU Series
Littelfuse
On Delay Timer, 100-240VAC/DC Power,
MFG Item Number
TDUH3001A
Series
TDU
More specs
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Description

Relays, TDU Series
Item #
TDUH3001A
On Delay Timer, 100-240VAC/DC Power,

TDU Series Information

  • 2 Universal Voltage Ranges from 24 to 240VAC/DC
  • Digital Integrated Circuitry
  • Switch Selectable Delays from 0.1s‑2.8h in 3 Ranges or Factory Fixed
  • ±0.5% Repeat Accuracy
  • 1A Steady, 10A Inrush
The TDU and KSDU Series are encapsulated solid‑state, delay‑on‑make timers that combine digital timing circuitry with universal voltage operation. The TDU offers DIP switch adjustment allowing accurate selection of the time delay over the full time delay range. The KSDU is factory fixed from 0.1s to 10,230s and does not include the DIP switch. These series are excellent choices for process control systems and OEM equipment.

Operation (Delay‑on‑Make): Upon application of input voltage, the time delay begins. The output is de‑energized before and during the time delay. At the end of the time delay, the output energizes and remains energized until input voltage is removed. Reset: Removing input voltage resets the time delay and output.

  • Totally Solid State & Encapsulated

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Specifications

Specifications
Manufacturer Part Number TDUH3001A
Manufacturer Littelfuse
Product Series TDU
Family Series Littelfuse Relays, TDU Series
Description On Delay Timer, 100-240VAC/DC Power, 10-10,230 Second, DIP Switch Select, 1A Max Load, 10A Max Inrush, 2-Wire
Operation On Delay
Contacts 1NO
Mounting Surface
Time Range Adjustment Onboard
Adjustment Operator DIP Switch
Timing Range 10-10,230 s
Max Time 10,230 s
Coil Voltage 100-240 VAC, 100-240 VDC
Nominal Coil Voltage 120 VAC, 208 VAC, 240 VAC, 125 VDC, 250 VDC
Contact Rating 1 A
Termination 0.250 in Flat Blade
Approvals CE, CSA, UL
Net Weight 0.13 lbs
Gross Weight 0.14 lbs