CONTACT US  |  CUSTOMER SERVICE Aluminum Electrolytic Capacitor Selection Chart – Motor Start KEMET's Motor Start Capacitors are housed in a round molded case meeting creepage and clearance distances according to IEC 60335-1 and flammability ratings according to UL94-V1. Double 6.3mm quick connect terminals. Links to other resources in printed catalogs Ordering codes, box qty, and other commercial & tech info Series Capacitance Tolerance Voltage Temperature Description MS/MD 25µF to 750µF (approved) ±10% or -0 +25% MS: 120, 220 260 V a.c. MD: 120/150, 220/280 and 260/300 V a.c. (Surge Voltage is 1.25 x rated voltage) MS: -20 ºC to +60 ºC MD: -20 ºC to +70 ºC For AC operation to start the motor by providing a leading current to the auxiliary winding. Designed for intermittent duty only and capable of withstanding the AC voltage applied during starting. Series MS is rated at a single voltage, series MD with dual voltages. Series MD is VDE approved to EN 60252-2 for the defined ratings. Digital Signatures KEMET Catalog and Bulletin PDFs have been signed using a digital certificate to ensure authenticity of KEMET literature. See more about KEMET's digital signatures. Service Do you need Samples? To aid with your design, use our Spice or FIT software tools. For product questions, please use KnowledgeEdge at KEMET. For product configuration, distributor availability and other advanced tools, go to CapacitorEdge.