Multifunction Time Delay Relay Series - Multifunction Time Delay Relay

Littelfuse Multifunction Relays
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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.

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)
Output
Form
Storage Temperature (F/C)Time Delay RangeStockCompare
ASQUA324 or 240 V acNO-40° to 85°C (-40° to 185°F)0.1 - 10 s; 1 - 100 s; 10 - 1000 s; 1 - 100 mCheck
ASQUD39 or 110 V dc; 9.4 or 110 V dc; 120 or 230 V acNO-40° to 85°C (-40° to 185°F)0.1 - 10 s; 1 - 100 s; 10 - 1000 s; 1 - 100 mCheck
ASTUD39 or 110 V dc; 9.4 or 110 V dc; 120 or 230 V acNO-40° to 85°C (-40° to 185°F)0.1 - 10 s; 1 - 100 s; 10 - 1000 s; 1 - 100 mCheck
ASTUA324 or 240 V acNO-40° to 85°C (-40° to 185°F)0.1 - 10 s; 1 - 100 s; 10 - 1000 s; 1 - 100 mCheck
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