Description
The Littelfuse CT1S90 is a compact on/off timing module designed to provide both delay-on-make and delay-on-break functionality in a single unit, making it ideal for HVAC and control system applications. Operating on 24 VAC circuits, this module introduces a short delay before activation and a longer delay before deactivation, helping to manage fan operation, compressor sequencing, and system timing. Its design helps prevent short cycling, reducing wear on equipment and improving overall system efficiency. Built with encapsulated circuitry and microcontroller-based timing, the CT1S90 ensures consistent, repeatable performance in residential, commercial, and industrial environments where reliable timing control is essential.
Key Features:
- Combines delay-on-make and delay-on-break timing functions
- Typical timing: ~1 second ON delay, ~90 second OFF delay
- Designed for 24 VAC control circuits
- Helps prevent short cycling and equipment damage
- Ideal for HVAC systems, compressors, and fan control
- Compact design for easy installation in control panels
- Encapsulated circuitry for durability and reliable operation
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