Intermatic T1905 125V SPDT 24-Hour Mechanical Timer

The Intermatic T1905 is a dependable 24-hour mechanical time switch engineered for precise, repeatable daily scheduling of HVAC equipment, lighting, pumps, and other electrical loads. Built around a Single-Pole Double-Throw (SPDT) switching configuration, it provides both normally open and normally closed circuit control, giving installers flexible wiring options to suit a wide range of applications.

Key Features

• 24-hour mechanical dial timer for consistent daily on/off scheduling
• 125V rated operation for standard residential and light commercial circuits
• SPDT (Single-Pole Double-Throw) switching for versatile circuit control
• Intermatic’s proven mechanical timer platform — trusted by HVAC professionals
• Adjustable trippers for easy programming of multiple on/off events per day
• Compact design suitable for panel or enclosure mounting

Typical Applications

• HVAC equipment scheduling (fans, pumps, unit heaters)
• Lighting control and load cycling
• Pool and spa equipment timing
• Irrigation and general electrical load management

Specifications

• Voltage: 125V
• Switch Type: SPDT (Single-Pole Double-Throw)
• Timer Cycle: 24-Hour
• Timer Type: Mechanical
• Brand: Intermatic
• SKU: T1905