The Littelfuse CT1S45 is a solid-state HVAC timer module designed for fan delay and load sequencing applications in heating and cooling equipment. It provides a 1-second delay-on-make and 45-second delay-on-break function in a 24 VAC control circuit.
Manufacturer: Littelfuse
Model Number: CT1S45
Product Type: HVAC Time Delay Module
Function: Delay-On-Make / Delay-On-Break
Delay-On-Make Time: 1 second
Delay-On-Break Time: 45 seconds
Input Voltage: 24 VAC
Frequency: 50/60 Hz
Output Type: Solid State
Output Form: Normally Open (NO)
Steady-State Load Rating: 0.75 A
Inrush Current Rating: 5 A
Time Delay Type: Microcontroller-based
Reset Method: Removing input voltage resets timing
Application: HVAC fan delay / load sequencing
Mounting: Panel or equipment mounting