{"product_id":"intermatic-mechanism-125-v-dpst-mechcanism-125-v-dpst-0-t103m","title":"Intermatic T100 24-Hour DPST Mechanical Time Switch Mechanism, 120V T103M","description":"\n\u003ch2\u003eIntermatic T103M 24-Hour Mechanical Timer Mechanism – 120V, 40 Amp, DPST\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eIntermatic T103M Mechanical Time Switch Mechanism\u003c\/strong\u003e is a genuine Intermatic replacement timer designed for automatic 24-hour scheduling of swimming pool pumps, lighting, and other compatible electrical equipment. Featuring a 120V AC clock motor and heavy-duty 40-amp double-pole, single-throw (DPST) switching contacts, this timer provides reliable daily ON\/OFF control.\u003c\/p\u003e\n\n\u003cp\u003ePart of the popular Intermatic T100 Series, the T103M is designed to replace a compatible timer mechanism inside an existing approved Intermatic enclosure. Its mechanical dial, adjustable trippers, and manual override lever make it easy to schedule equipment operation without digital programming.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis product includes the timer mechanism only. An electrical enclosure is not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-Hour Mechanical Timer:\u003c\/strong\u003e Repeats the programmed ON\/OFF schedule every day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120V AC Clock Motor:\u003c\/strong\u003e Operates on 120 volts, 60 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40-Amp Switching Capacity:\u003c\/strong\u003e Heavy-duty contacts for compatible electrical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Pole, Single-Throw (DPST):\u003c\/strong\u003e Controls two poles simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 12 ON\/OFF Cycles Per Day:\u003c\/strong\u003e Supports multiple switching periods when equipped with additional compatible trippers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Hour Minimum Switching Interval:\u003c\/strong\u003e Suitable for daily equipment scheduling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Override Lever:\u003c\/strong\u003e Allows equipment to be switched ON or OFF without changing the next scheduled operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eON and OFF Trippers Included:\u003c\/strong\u003e Comes with one ON tripper and one OFF tripper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Mechanism:\u003c\/strong\u003e Designed for installation in compatible Intermatic enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Intermatic Product:\u003c\/strong\u003e Original manufacturer mechanical timer assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Intermatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e T103M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e T100 Mechanical Time Switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 24-Hour Mechanical Timer Replacement Mechanism\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Motor Voltage:\u003c\/strong\u003e 120V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Configuration:\u003c\/strong\u003e DPST (Double-Pole, Single-Throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistive \/ Inductive Load Rating:\u003c\/strong\u003e 40 Amps, 120–277V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Load Rating at 120V:\u003c\/strong\u003e 2 HP, 24 FLA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Load Rating at 240V:\u003c\/strong\u003e 5 HP, 28 FLA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScheduling:\u003c\/strong\u003e 24-Hour Daily Repeat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum ON\/OFF Interval:\u003c\/strong\u003e 1 Hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum ON\/OFF Cycles:\u003c\/strong\u003e 12 Per Day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Override:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Trippers:\u003c\/strong\u003e 1 ON \/ 1 OFF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Not Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 078275000254\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mexico\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 1-Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Timer Mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwimming pool pump scheduling\u003c\/li\u003e\n\u003cli\u003ePool and spa circulation equipment\u003c\/li\u003e\n\u003cli\u003eOutdoor lighting controlled through an appropriate enclosure\u003c\/li\u003e\n\u003cli\u003eLandscape and security lighting\u003c\/li\u003e\n\u003cli\u003eCompatible motors and electrical equipment\u003c\/li\u003e\n\u003cli\u003eReplacing damaged or nonfunctioning Intermatic T103 timer mechanisms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e120V Clock Motor with DPST Switching\u003c\/h3\u003e\n\u003cp\u003eThe Intermatic T103M uses a 120V AC clock motor to advance its mechanical dial. Its DPST switch contacts can simultaneously open or close two poles of a compatible electrical circuit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Voltage Distinction:\u003c\/strong\u003e The T103M requires 120V power for its clock motor, even when controlling an appropriately rated 240V load. Do not connect the clock motor directly across a 240V supply.\u003c\/p\u003e\n\n\u003cp\u003eFor installations requiring a 208–277V clock motor, the \u003cstrong\u003eIntermatic T104M\u003c\/strong\u003e is a different timer mechanism that may be appropriate after verifying the electrical application.\u003c\/p\u003e\n\n\u003ch3\u003eEasy 24-Hour Scheduling\u003c\/h3\u003e\n\u003cp\u003eThe T103M features a mechanical clock dial with adjustable ON and OFF trippers. The timer automatically repeats its scheduled switching operations every 24 hours.\u003c\/p\u003e\n\n\u003cp\u003eTo adjust the schedule:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect electrical power before accessing wiring or servicing the mechanism.\u003c\/li\u003e\n\u003cli\u003ePosition the ON tripper at the desired equipment start time.\u003c\/li\u003e\n\u003cli\u003ePosition the OFF tripper at the desired equipment stop time.\u003c\/li\u003e\n\u003cli\u003eSecure both trippers firmly to the dial.\u003c\/li\u003e\n\u003cli\u003eSet the current time by following Intermatic's dial-setting instructions.\u003c\/li\u003e\n\u003cli\u003eRestore power and verify correct timer operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eAdditional compatible trippers can be installed to create multiple ON\/OFF periods throughout the day.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Intermatic Replacement Parts\u003c\/h3\u003e\n\u003cp\u003eComplete your timer repair with these related Intermatic products available from Aqua Pool Supply.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/intermatictimeswitchtrippersfort100seriestimers156t1978aitm156t1978a\" title=\"Intermatic 156T1978A Replacement Timer Trippers\"\u003e\n\u003cstrong\u003eIntermatic 156T1978A – Replacement Timer Trippers\u003c\/strong\u003e\n\u003c\/a\u003e\n– Replacement ON\/OFF trippers for compatible T100 Series mechanical timers. Useful for replacing lost trippers or adding switching periods.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/intermatic110vtimermotorwg157010ditmwg157010d\" title=\"Intermatic WG1570-10D Replacement Timer Clock Motor\"\u003e\n\u003cstrong\u003eIntermatic WG1570-10D – 125V Replacement Clock Motor\u003c\/strong\u003e\n\u003c\/a\u003e\n– Genuine replacement clock motor for compatible 120V Intermatic mechanical timers, including applicable T103 mechanisms.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/208to277vac40a24hrmechanicaltimeswitchitmt104mitmt104m\" title=\"Intermatic T104M 208-277V Mechanical Timer Mechanism\"\u003e\n\u003cstrong\u003eIntermatic T104M – 208–277V Mechanical Timer Mechanism\u003c\/strong\u003e\n\u003c\/a\u003e\n– Alternative DPST mechanical timer for installations requiring a higher-voltage clock motor. Not a direct electrical replacement for the 120V T103M.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplacing an Existing Timer Mechanism\u003c\/h3\u003e\n\u003cp\u003eThe Intermatic T103M can be installed in compatible Intermatic timer enclosures, making it useful when an existing mechanism has failed but the enclosure remains suitable for service.\u003c\/p\u003e\n\n\u003cp\u003eBefore purchasing, confirm the original timer model, clock motor voltage, switch configuration, electrical load ratings, and enclosure compatibility.\u003c\/p\u003e\n\n\u003cp\u003eInstallation should be performed by a qualified electrician following Intermatic's wiring instructions and applicable electrical codes.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Intermatic Pool Timer Products\u003c\/h3\u003e\n\u003cp\u003eExplore our \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/vendors?q=intermatic\" title=\"Intermatic Pool Timers and Replacement Parts at Aqua Pool Supply\"\u003eIntermatic Pool Timers and Replacement Parts\u003c\/a\u003e for mechanical timer mechanisms, clock motors, trippers, and pool equipment controls.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne (1) Intermatic T103M 24-Hour Mechanical Timer Mechanism\u003c\/li\u003e\n\u003cli\u003eOne (1) ON Tripper\u003c\/li\u003e\n\u003cli\u003eOne (1) OFF Tripper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is for the T103M replacement mechanism only. An electrical enclosure, additional trippers, and other installation accessories are not included.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e The T103M requires a 120V AC, 60 Hz clock motor supply. Verify the existing timer's voltage and wiring before replacing it. Intermatic T101M, T103M, and T104M mechanisms have different electrical configurations and should not be treated as interchangeable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectrical Safety:\u003c\/strong\u003e Disconnect all power before installation or service. The timer must be installed in an approved electrical enclosure by a qualified electrician in accordance with Intermatic instructions and applicable electrical codes.\u003c\/p\u003e\n","brand":"Intermatic","offers":[{"title":"Default Title","offer_id":51904809173308,"sku":"T103M","price":71.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/intermatic-t100-24-hour-dpst-mechanical-time-switch-mechanism-120v-t103m-pool-automation-2896295.png?v=1793051590","url":"https:\/\/aquapoolsupply.com\/products\/intermatic-mechanism-125-v-dpst-mechcanism-125-v-dpst-0-t103m","provider":"Aqua Pool Supply","version":"1.0","type":"link"}