The K2 incorporates a patented in-line load transfer design which provides high load capability for rugged-duty use, efficient power use, compact package size, excellent corrosion and washdown protection, and high performance synthetic lubrication for life. This model has a gear ratio of 10:1, 12 DC motor votlage, and stroke length of 18 in (450 mm). It is outfitted with a Bronze Nut and rolled Hybrid Acme screw, yielding high impact capability and long life.UPC889208156715Altra Master No.20055273Family NameB-Track K2Model No.K2Motor Voltage12Load Capacity600Load Capacity2,670Screw TypeHybrid AcmeStroke Length18.00Stroke Length450Operation Temperature Range-20°F to +150°F (-40°F to +176°F available)Operation Temperature Range-29°C to +65°C (-40°C to +80°C available)Static Load Capacity3,000Static Load Capacity13,345A Dimension(English)24.32A Dimension617.70Normal Operating Voltage10-16 VDC (Ratings are at 12 VDC Normal)Control ModelFixed Limit SwitchGear Ratio10 / 1Motor TypeStandardNut TypeBronze NutBase Fitting Alignment90° FittingIP-RatingIP69K Static (IP65 capable)