{"product_id":"ml7999a2001-honeywell-actuator-100-240vac-50-60hz","title":"ML7999A2001 Honeywell Actuator 100-240VAC 50\/60Hz","description":"\u003ch2\u003e\u003cstrong\u003eML7999A2001 – Honeywell Universal Actuator\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell \/ \u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eML7999A2001\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Actuator – 85-264VAC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Input:\u003c\/strong\u003e 100-240 Vac +10%\/-15%, 15VA maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50 Hz or 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Rating:\u003c\/strong\u003e 100 lb-in minimum (lift, hold, breakaway, stall)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStall Maximum Torque:\u003c\/strong\u003e 150 lb-in (17 Nm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Hub Position Accuracy:\u003c\/strong\u003e ±0.1°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator Stroke:\u003c\/strong\u003e 95° nominal ±3°, mechanically limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeedback Potentiometer:\u003c\/strong\u003e 5000 ohms ±10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental \u0026amp; Operating Conditions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e -40°F to +140°F (-40°C to +60°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°F to +150°F (-40°C to +65°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e 5 to 95% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Tolerance:\u003c\/strong\u003e 0.0 to 0.5g continuous (V2 level)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Rating:\u003c\/strong\u003e 55 dBA maximum at 1 meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eML7999A2001\u003c\/strong\u003e includes an eight-digit hexadecimal password protection.\u003c\/li\u003e\n\u003cli\u003eA separate wiring compartment isolates line voltage from low voltage control.\u003c\/li\u003e\n\u003cli\u003eIt couples directly to a 1\/2-inch shaft with no extra parts required.\u003c\/li\u003e\n\u003cli\u003eSelf-centering shaft reducers allow direct coupling to 5\/16-inch and 3\/8-inch shafts.\u003c\/li\u003e\n\u003cli\u003eA shaft coupler assembly works for shafts larger than 1\/2-inch.\u003c\/li\u003e\n\u003cli\u003eBracket accessory kit supports mounting to Honeywell V51 butterfly gas valves.\u003c\/li\u003e\n\u003cli\u003eDesign life reaches 100,000 full-stroke cycles minimum.\u003c\/li\u003e\n\u003cli\u003eRepositioning life achieves 2,000,000 cycles minimum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eControl Signal Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe actuator needs a 4.25 Vdc differential to drive clockwise (DR1-DR2).\u003c\/li\u003e\n\u003cli\u003eIt needs a -4.25 Vdc differential to drive counterclockwise (DR1-DR2).\u003c\/li\u003e\n\u003cli\u003eThe actuator only responds after the R7999 passes the 8-digit ID signal via DR1-DR2.\u003c\/li\u003e\n\u003cli\u003eControl signal current requires 5 mA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTiming Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Timing (90° travel):\u003c\/strong\u003e 24 to 30 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerated Cold-Start Timing (-40°F to -20°F):\u003c\/strong\u003e 150 seconds maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the \u003cstrong\u003eML7999A2001\u003c\/strong\u003e work with 24VAC power?\u003c\/strong\u003e\u003cbr\u003eA: No, it requires 85-264VAC. Use 100-240VAC for best results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this actuator without the R7999 controller?\u003c\/strong\u003e\u003cbr\u003eA: No, the actuator needs the 8-digit hexadecimal password from the R7999 to operate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum stall torque?\u003c\/strong\u003e\u003cbr\u003eA: Maximum stall torque reaches 150 lb-in (17 Nm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the feedback potentiometer included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, a 5000 ohm ±10% position feedback potentiometer comes built-in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can it operate in freezing temperatures?\u003c\/strong\u003e\u003cbr\u003eA: Yes, ambient range goes down to -40°F (-40°C), but cold-start timing extends to 150 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does it mount on a square shaft?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it mounts directly on 1\/2-inch round or square shafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e (WhatsApp)\u003c\/strong\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52073707864346,"sku":"ML7999A2001","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/ML7999A2001-1.jpg?v=1776048762","url":"https:\/\/www.ubestplc.com\/products\/ml7999a2001-honeywell-actuator-100-240vac-50-60hz","provider":"Ubest Automation Limited","version":"1.0","type":"link"}