K33HLLK-LNK-NS-01 Pacific Scientific
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The Pacific Scientific K33HLLK-LNK-NS-01 is a stepper motor from the K PowerPac Motors series with a heavy duty NEMA 34 frame and SIGMAX enhanced construction. It provides a holding torque of 15.6 Nm, has a straight key single shaft with shaft seal, and features a splashproof connection to a terminal board via conduit. The motor operates between -20°C to +40°C and has a step angle of 1.8° with ±1.5% step accuracy.
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Product Description:
The K33HLLK-LNK-NS-01 is a stepper motor manufactured by Pacific Scientific for the K PowerPac Motors series. It translates digital pulse trains into fixed angular increments, allowing automated tables, gantry axes, and feed screws to index and hold load positions in open-loop service. This capability supports packaging, material-handling, and general process equipment that requires precise motion control, while the rigid housing concentrates torque delivery for mid-range speed applications.
Mechanically, the motor attaches through the NEMA 34 frame pattern, presenting a 3.38 in. square mounting face that mates to a heavy-duty pilot register. The laminated rotor uses three magnetic stacks within an active length of 171 mm, and the standard windings with a 4-lead series connection support phase current through the SIGMAX enhanced construction. A holding capacity of 15.6 Nm supports static load holding at standstill. Electrical isolation includes 100 megohms of insulation resistance and a voltage rating of 340 Vdc, helping prevent leakage between the windings and the frame. With no feedback option, motion remains open-loop, and the motor also uses a splashproof conduit feed and an internal terminal board.
Each input pulse advances the shaft by 1.8°, and total positional error stays within ±1.5%, supporting fine microstepping routines. Operation is specified for ambient temperatures from -20 °C to +40 °C, and a shaft seal protects the single shaft with a straight key from fluid ingress across that range. Power and phase leads enter through a 1/2 in. NPSC pipe thread conduit entry, and the splashproof path helps maintain enclosure integrity during washdown. The standard winding set, SIGMAX core, and triple-stack assembly support rated torque without auxiliary cooling, while the laminated rotor and single-ended shaft layout simplify coupling to gears, pulleys, or timing hubs.
