{"product_id":"schneider-electric-ssp1a475m7t-solid-state-relay","title":"Schneider Electric SSP1A475M7T Harmony SSP1 75 A Zero-Voltage Switching Solid State Relay","description":"\u003cp\u003eThe Schneider Electric SSP1A475M7T is a Harmony SSP1 single-phase solid state relay rated 75 A, panel mounted with a supplied thermal pad. It switches a 48-660 V AC load from a 90-280 V AC control input using zero-voltage switching, with a 25 ms turn-on and 30 ms turn-off response time and no mechanical contacts to wear.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSP1A475M7T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarmony Solid State Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid state relay (panel mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Short Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSP1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Phases\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Rated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Current Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.15-75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSolid State Output Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCR output, zero voltage switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Circuit Voltage [Uc]\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90-280 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48-660 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 ms (turn-on); 30 ms (turn-off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransient Overvoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 A (16.6 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.15 V (on-state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Leakage Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mA (off-state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 MOhm at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 kV AC (input\/output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP Degree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel mount, with thermal pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40...80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e89.2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGTIN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3606485442167\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEAC\u003c\/li\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eUL\u003c\/li\u003e\n\u003cli\u003eCSA\u003c\/li\u003e\n\u003cli\u003eUL 508\u003c\/li\u003e\n\u003cli\u003eCSA C22.2 No 14-13\u003c\/li\u003e\n\u003cli\u003eIEC 60950-1\u003c\/li\u003e\n\u003cli\u003eIEC 62314\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eWith a 90-280 V AC control input, the SSP1A475M7T is the variant for panels where the control signal comes from line-voltage logic, a PLC AC output or a thermostat rather than low-voltage DC; the BDT-suffix variant in the same SSP1 range takes a 4-32 V DC input instead. Zero-voltage switching turns the SCR on only as the load waveform crosses zero, which limits inrush-related electrical noise and is the reason this relay is specified over a mechanical contactor for resistive heating loads that switch frequently. The 75 A rating and supplied thermal pad size the heatsink interface for continuous duty at rated current; derate the load current for higher ambient or reduced heatsink area.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eUsed to switch resistive heating elements, single-phase motor loads and other high-cycle AC loads from line-voltage AC control signals without contact wear.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":50229840019739,"sku":"SSP1A475M7T","price":72.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/schneider-electric-ssp1a475m7t-solid-state-relay.jpg?v=1790283504","url":"https:\/\/stoklink.com\/products\/schneider-electric-ssp1a475m7t-solid-state-relay","provider":"Stoklink","version":"1.0","type":"link"}