{"product_id":"emas-mks1tm-0-40-mks-series-0-25-0-40a-motor-protection-switch","title":"EMAS MKS1TM-0.40 - MKS Series 0.25-0.40A Motor Protection Switch","description":"\u003ch2\u003e\u003cstrong\u003eMotor Protection For The Smallest Motors, 0.25-0.40A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEMAS MKS1TM-0.40\u003c\/strong\u003e is a DIN rail manual motor protection switch (MPCB) for the smallest motors, drawing between 0.25A and 0.40A at full load, such as instrument fans, small dosing pumps and synchronous drives. It combines adjustable thermal overload, fixed magnetic short-circuit and phase-loss protection in one compact device, and doubles as the motor's local isolator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMPN MKS1TM-0.40\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable thermal overload\u003c\/strong\u003e - set the dial to the motor's nameplate current anywhere from 0.25A to 0.40A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed magnetic short-circuit trip\u003c\/strong\u003e - 6kA breaking capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase deficiency protection\u003c\/strong\u003e - trips if a 3-phase motor loses a phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient temperature compensated\u003c\/strong\u003e - the trip point stays consistent as panel temperature changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDownloads: \u003ca href=\"https:\/\/www.emaselectric.com\/Export\/Datasheet?productCode=MKS1TM-0.40\u0026amp;languageCode=en\" target=\"_blank\" rel=\"noopener\"\u003eEMAS MKS1TM-0.40 datasheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eThermic Current Calibration\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e0.25-0.40A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eRated Current (Ie)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e25A (switch rating)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003eTS EN 60947-4-1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eOperational Frequency\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e50-60Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eUsage Category\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003eAC-3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eShort Circuit Breaking Capacity\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e6kA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eInsulation Voltage (Ui)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e690V AC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eImpulse Withstand Voltage (Uimp)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e6kV\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eMechanical \/ Electrical Life\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e100,000 \/ 100,000 operations (min.)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e360 operations\/hour\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003eIP40\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e-5°C to +40°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003ePollution Degree\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eCable Section\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e0.75-4mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eScrew Torque\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e1.8Nm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-6\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6\"\u003e35mm DIN rail\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this different from a normal MCB?\u003c\/strong\u003e\u003cbr\u003eAn MCB protects the cable with a fixed trip curve. The MKS1TM-0.40 protects the motor itself: its thermal trip is set to the motor's running current, it rides through starting inrush, and it adds phase-loss protection that an MCB does not have.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose and set the right range?\u003c\/strong\u003e\u003cbr\u003eRead the full load current from the motor nameplate. If it falls between 0.25A and 0.40A, this is the right switch; set the dial to that value. Slightly larger motors need the \u003cstrong\u003e\u003ca href=\"https:\/\/www.production-automation.co.uk\/products\/emas-mks1tm-0-63-mks-series-0-40-0-63a-motor-protection-switch\" style=\"color: rgb(43, 0, 255);\"\u003eMKS1TM-0.63 (0.40-0.63A)\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be mounted outside a panel?\u003c\/strong\u003e\u003cbr\u003eNo. The switch is rated IP40, so it should be fitted on 35mm DIN rail inside an enclosure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat cable sizes does it accept?\u003c\/strong\u003e\u003cbr\u003eThe terminals take 0.75mm² to 4mm² conductors, tightened to 1.8Nm.\u003c\/p\u003e\n\u003ch3\u003eIndustry Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstrument and cooling fans\u003c\/strong\u003e - overload and phase-loss protection for very low-current motors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosing and sampling pumps\u003c\/strong\u003e - a combined isolator and motor protector in a single DIN rail module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM machines\u003c\/strong\u003e - compact protection for small auxiliary drives in machine panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed a different range? See the \u003cstrong\u003e\u003ca href=\"https:\/\/www.production-automation.co.uk\/products\/emas-mks1tm-0-63-mks-series-0-40-0-63a-motor-protection-switch\" style=\"color: rgb(43, 0, 255);\"\u003eEMAS MKS1TM-0.63 (0.40-0.63A)\u003c\/a\u003e\u003c\/strong\u003e or the \u003cstrong\u003e\u003ca href=\"https:\/\/www.production-automation.co.uk\/products\/emas-mks1tm-1-mks-series-0-63-1-00a-motor-protection-switch\" style=\"color: rgb(43, 0, 255);\"\u003eEMAS MKS1TM-1 (0.63-1.00A)\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How is this different from a normal MCB?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An MCB protects the cable with a fixed trip curve. The MKS1TM-0.40 protects the motor itself: its thermal trip is set to the motor's running current, it rides through starting inrush, and it adds phase-loss protection that an MCB does not have.\"}}, {\"@type\": \"Question\", \"name\": \"How do I choose and set the right range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Read the full load current from the motor nameplate. If it falls between 0.25A and 0.40A, this is the right switch; set the dial to that value. Slightly larger motors need the MKS1TM-0.63 (0.40-0.63A).\"}}, {\"@type\": \"Question\", \"name\": \"Can it be mounted outside a panel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The switch is rated IP40, so it should be fitted on 35mm DIN rail inside an enclosure.\"}}, {\"@type\": \"Question\", \"name\": \"What cable sizes does it accept?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The terminals take 0.75mm² to 4mm² conductors, tightened to 1.8Nm.\"}}]}\n\u003c\/script\u003e","brand":"EMAS","offers":[{"title":"Default Title","offer_id":57755287224693,"sku":"MKS1TM-0.40","price":61.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/MKS1TM-0_40_20_1.jpg?v=1794352816","url":"https:\/\/www.production-automation.co.uk\/de\/products\/emas-mks1tm-0-40-mks-series-0-25-0-40a-motor-protection-switch","provider":"Production Automation","version":"1.0","type":"link"}