{"product_id":"intermatic-t104-24-hour-mechanical-timer-switch-heavy-duty-dpst","title":"Intermatic T104 24-Hour Mechanical Timer Switch - Heavy-Duty DPST","description":"\u003cp\u003eIn this review the Intermatic T104 emerges as a straightforward, heavy-duty 24-hour mechanical time switch for professionals and homeowners who need dependable scheduled control of high-voltage equipment. The biggest reason to buy is its ability to control both legs of a 208\/277V circuit with a DOUBLE POLE, SINGLE THROW design and a 40 A rating, which makes it suited for pumps, compressors, and commercial lighting where robust, manual-style scheduling is required.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble pole DPST:\u003c\/strong\u003e Controls both legs of a 208\/277V circuit for safer switching of high-voltage loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 Amp heavy-duty rating:\u003c\/strong\u003e Supports motors up to 5 HP at 240V and a wide range of resistive and inductive loads for demanding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-hour mechanical scheduling:\u003c\/strong\u003e Allows up to 12 on\/off cycles per day with a 1-hour minimum interval for simple daily automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial metal enclosure:\u003c\/strong\u003e Type 1 gray steel housing provides a secure indoor mounting point in mechanical rooms and control panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrippers included:\u003c\/strong\u003e Ships with one on and one off tripper for quick initial setup and easy adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage compatibility:\u003c\/strong\u003e Rated for loads from 120 to 277V and CSA\/UL listed for reliability across installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe T104 is best for electricians, maintenance technicians, and contractors who need a rugged, no-frills time switch for indoor mechanical rooms, pump basins, or HVAC control panels. Its DPST switching and high ampacity make it especially appropriate where both legs of a high-voltage circuit must be disconnected and where motor loads are present.\u003c\/p\u003e\u003cp\u003eIt is less suitable for users who need minute-level precision, outdoor weatherproofing, or networked\/smart scheduling features; those customers should look at electronic or outdoor-rated timers instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh 40 A per pole rating handles motors and heavy loads without additional relays.\u003c\/li\u003e\n\u003cli\u003eSimple mechanical dial and included trippers make setup fast and intuitive.\u003c\/li\u003e\n\u003cli\u003eDurable metal enclosure designed for secure indoor mounting in equipment rooms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical design limits schedule granularity to 1-hour increments and lacks digital features like remote control.\u003c\/li\u003e\n\u003cli\u003eNot rated for outdoor installation, so weather-exposed locations require alternate products.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eT104 24-Hour Mechanical Timer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003eDOUBLE POLE, SINGLE THROW (DPST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208\/277 VAC (rated 120-277V compatibility)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e40 Amp per pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 5 HP at 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eType 1 gray steel indoor metal enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScheduling\u003c\/td\u003e\n\u003ctd\u003e24-hour mechanical, up to 12 ON\/OFF cycles, 1 hour minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Intermatic T104 is a reliable, value-oriented mechanical time switch for indoor industrial and commercial use where robust DPST switching and high amp capacity are required. It is an economical choice for contractors and facilities that need simple daily scheduling of pumps, lights, or HVAC compressors and prefer proven mechanical controls over digital complexity.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this timer control a 240V motor?\u003c\/strong\u003e\u003cbr\u003eYes. The T104 is rated to handle motor loads up to 5 HP at 240V and switches both legs of a 208\/277V circuit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the enclosure weatherproof for outdoor use?\u003c\/strong\u003e\u003cbr\u003eNo. The unit has a Type 1 indoor metal enclosure and is not rated for outdoor installations or direct weather exposure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow precise is the schedule?\u003c\/strong\u003e\u003cbr\u003eThe mechanical dial allows up to 12 on\/off events per day with a 1-hour minimum interval, so it does not provide minute-level precision or advanced programming.\u003c\/p\u003e","brand":"Intermatic","offers":[{"title":"Default Title","offer_id":48750225785051,"sku":"B000BQOX88","price":81.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81lql7ql7cL._AC_SL1500.jpg?v=1778789224","url":"https:\/\/gearmusthave.com\/products\/intermatic-t104-24-hour-mechanical-timer-switch-heavy-duty-dpst","provider":"GearMustHave","version":"1.0","type":"link"}