ASQU / ASTU Series - Multifunction Time Delay Relay

Littelfuse Multifunction Relays
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 RangeSample capableCompare
ASQUA324 to 240VACNO-40° to 85°C (-40°F to 185°F)0.1-10s; 1-100s; 10-1000s; 1-100mNo
ASQUD39 to 110VDC 9.4 to 110VDC 120 or 230VACNO-40° to 85°C (-40°F to 185°F)0.1-10s; 1-100s; 10-1000s; 1-100mNo
ASTUD39 to 110VDC 9.4 to 110VDC 120 or 230VACNO-40° to 85°C (-40°F to 185°F)0.1-10s; 1-100s; 10-1000s; 1-100mNo
ASTUA324 to 240VACNO-40° to 85°C (-40°F to 185°F)0.1-10s; 1-100s; 10-1000s; 1-100mNo