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Series: ASQU ASTU

Multifunction Time Delay Relay
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The ASQU and ASTU Series of 17.5 mm, knob adjustable, universal solid-state timers offer multiple functions, voltages, and time delay ranges. Choose one of 5 functions and 4 time delay ranges via 4 selection switches located on face of the unit. Adjustment through the time range is accomplished by an onboard knob.


The ASQU Series has quick connect terminal and the ASTU Series has terminal blocks.

  • Universal AC or DC voltage
  • Compact 17.5mm size
  • Microcontroller based
  • Multifunction: 5 timing functions
  • Knob Adjustable Time Delay
  • 0.7A steady, 10A inrush solid-state output
  • Mounting fasteners included
  • Watchdog circuitry
  • Choose from 24 to 240VAC or 9 to 110VDC models
  • Allows for high rail density
  • Repeat Accuracy + / -1%
  • Reduce stocking requirements
  • Field adjustable delay ranging from 0.1s - 100m
  • Provides 100 million operations in typical conditions
  • Each unit ships with both surface and DIN rail quick mount adapters
  • Self monitoring and self correcting for improved performance

ASQU ASTU Parts

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Series: ASQU ASTU Resources