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White plug-in mechanical timer cube with grounded outlet and rotary dial

Intermatic

Intermatic TN311 120V 15A Plug-In Mechanical Timer

SKU CH-A6SG-455AS

Plug-in mechanical timer controls one 120 V 15 A outlet with up to three on/off cycles per 23-hour day

  • Color familyWhite
  • Product typeIndustrial Electrical Controls & Automation
  • Plug-in design installs instantly without wiring
  • Mechanical operation provides reliable timing without batteries
  • 15 A rating handles heavy-duty appliances up to 1 750 W
  • 23 h 30 min maximum cycle covers overnight schedules
  • cCSAus certified for North American safety compliance

Intermatic TN311 Plug-In Mechanical Timer

The Intermatic TN311 is a plug-in mechanical timer rated for 120V AC and 15A. It provides a single 5-15R receptacle for controlling indoor loads up to 1,750 W or 1 hp. The white unit measures 3 13/64 in on each side and carries cCSAus certification.

Suited for simple daily scheduling.

This timer suits users who need basic on/off control for lamps, fans or small appliances with a minimum 30-minute setting and up to three daily cycles. Buyers who want multiple independent programs, shorter intervals, battery backup or smart-home integration should look at something else.

Check voltage, load type

Verify the installation site supplies 120V AC and that the connected load does not exceed 15A or 1,750 W resistive, 1 hp motor rating. Ensure a grounded 5-15R outlet is available indoors and that the 3 13/64 in cube fits the chosen location without blocking adjacent sockets.

How it compares

Measured against everything we stock in Electrical Switches & Dimmers, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 88% of the 791 comparable items (median $39.99).

Specifications

Product
Brand nameINTERMATIC
Product typeIndustrial Electrical Controls & Automation
Color familyWhite

Questions about this item

What type of outlet does the TN311 need to plug into?

The timer plugs into a standard 5-15R receptacle rated for 120V AC.

Can I control a device that draws more than 15 amps with this timer?

No, the timer is rated for a maximum of 15 A and 1,750 W at 120 V.

How do I confirm the timer is operating correctly after plugging it in?

Turn the dial to set an on/off cycle and verify the connected device switches at the chosen times.

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