{"product_id":"siemens-sqm33-550a9-burner-control-1-phase-ac-actuator-gas-oil-intermittent-30s-pre-purge-ac-230v","title":"Siemens SQM33.550A9 Burner Control, 1-Phase AC Actuator, Gas\/Oil, Intermittent, 30s Pre-purge, AC 230V","description":"\u003cp\u003e\u003cstrong\u003eSiemens SQM33.550A9 Burner Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Siemens SQM33.550A9 is an advanced burner control unit meticulously engineered for the reliable management of intermittent forced draft gas and oil burners. This controller is specifically designed to operate single-phase AC motor-driven air damper actuators, ensuring precise and efficient air-fuel mixture control for optimal combustion performance and safety. It features a fixed pre-purge time of 30 seconds, crucial for clearing residual gases before ignition, enhancing operational safety and efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Phase AC Motor Actuator Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for direct control of 1-phase AC motor-driven air damper actuators, common in medium-sized commercial and industrial burner systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Fuel Application:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuitable for use with both gas and light oil burners, offering flexibility across different fuel types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for burners that operate with periodic on\/off cycles, ensuring efficient and safe restarts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 30s Pre-Purge Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures a mandatory 30-second ventilation period before ignition, purging the combustion chamber of unburnt fuel gases to prevent hazardous situations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Burner Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides full control over the burner's startup, operation, and shutdown sequences, including flame supervision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Reliability \u0026amp; Safety:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to Siemens' rigorous quality standards, integrating critical safety interlocks and monitoring functions to safeguard against fault conditions and ensure safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates on an AC 230V power supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSiemens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSQM33 Series Burner Controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControl of forced draft intermittent gas and oil burners, with specific management of 1-phase AC motor-driven air damper actuators and a fixed pre-purge duration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommercial and industrial heating systems, boilers, and furnaces where reliable burner control, precise air-fuel management, and pre-purge safety are paramount.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51497186296087,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/siemens-siemens-sqm33-550a9-burner-control-1-phase-ac-actuator-gas-oil-intermittent-30s-pre-purge-ac-230v-1212524461.png?v=1766407921","url":"https:\/\/www.apexonsupply.com\/products\/siemens-sqm33-550a9-burner-control-1-phase-ac-actuator-gas-oil-intermittent-30s-pre-purge-ac-230v","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}