Intermatic
Intermatic FF2H Spring Wound Timer 2 hr SPST 125-277V AC
Spring-wound countdown timer with a two-hour maximum, SPST switching, and a 125-277 V AC rating
- Automatically limits load runtime to save energy
- Spring-wound mechanism operates without external power
- SPST switching handles 1 hp at 120V and 2 hp at 240V
- Rated for 125-277V AC across residential and commercial circuits
- cCSAus and RU certified for safety compliance
Spring-wound countdown timer for AC loads
The Intermatic FF2H is a spring-wound countdown timer with a maximum setting of two hours and a single-pole single-throw contact rated for 125 to 277 volts AC. It suits installations that need automatic shut-off of energy-consuming equipment without an external power supply for the timer mechanism.
Manual operation replaces electronic programmers
The spring-wound mechanism eliminates the need for batteries or control-voltage wiring, so the timer functions during power interruptions and adds no standby consumption. Its single-gang format fits standard enclosures and the cCSAus and RU markings confirm compliance with North American safety standards for the listed voltages.
Fixed two-hour maximum limits scheduling flexibility
The mechanical dial cannot exceed two hours, so processes requiring longer delays or repeat-cycle operation need a different timer type. The SPST contact breaks only one conductor, which may not satisfy codes that require all ungrounded conductors to be disconnected for the load.
Highlights
- Automatically limits load runtime to save energy
- Spring-wound mechanism operates without external power
- SPST switching handles 1 hp at 120V and 2 hp at 240V
- Rated for 125-277V AC across residential and commercial circuits
- cCSAus and RU certified for safety compliance
Specifications
| Brand | INTERMATIC |
|---|
Questions about this item
Will the spring mechanism need lubrication or replacement after repeated 2-hour cycles?
The spring-wound mechanism is self-contained and requires no lubrication; it is rated for repeated 2-hour cycles without scheduled replacement.
What load limit will be reached first when the timer runs continuously at full rating?
The 1 hp at 120 V or 2 hp at 240 V motor rating is the first limit; the SPST contacts are sized to match that load.
Does the timer generate noticeable heat or noise when left running all day?
The mechanical movement produces a faint ticking sound and only minimal warmth during normal operation.
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