Description
The Intermatic GM40AV-Q is a heavy-duty mechanical time switch engineered for dependable, programmable control of HVAC equipment, lighting, motors, and other electrical loads in commercial and industrial applications. With its wide voltage compatibility and robust switching capacity, this timer delivers consistent, repeatable scheduling without the need for batteries or network connectivity.
Key Features
- Wide voltage range: 120–277V AC for flexible installation across single- and multi-phase systems
- 40-amp DPDT (Double Pole, Double Throw) switching capacity handles heavy electrical loads with ease
- 7-day, 24-hour mechanical programming allows independent on/off scheduling for each day of the week
- Mechanical dial operation — no batteries, no programming software required
- DPDT configuration supports both normally open and normally closed circuit control
- Rugged construction designed for long-term reliability in demanding commercial environments
Specifications
- Brand: Intermatic
- Model / SKU: GM40AV-Q
- Voltage Rating: 120–277V AC
- Amperage Rating: 40A
- Switch Type: DPDT (Double Pole, Double Throw)
- Program Type: 7-Day / 24-Hour Mechanical
Typical Applications
- HVAC unit scheduling and load cycling
- Commercial lighting control
- Motor and pump time-based switching
- Industrial equipment on/off automation
The Intermatic GM40AV-Q is a trusted solution for contractors and facility managers who need straightforward, reliable time-based load control without complex setup. Its broad voltage compatibility and high amperage rating make it suitable for a wide range of commercial HVAC and electrical applications.







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