Brand overview
Thomson
Linear motion manufacturer whose Electrak range (HD, XD, MD, 1, 10, 050), Max Jac and Whispertrak actuators are common on mobile and industrial machinery.
Thomson is a brand of Regal Rexnord (USA). Specify Motion is not affiliated with Regal Rexnord. This overview is written from the manufacturer's published information. We can help source parts or propose an equivalent solution.
Linear actuators
Electrak HD
Heavy-duty 12/24/48 V DC ball-screw rod actuator with optional onboard control electronics, sealed for outdoor mobile machinery and positioned as an alternative to small hydraulics.
Electrak XD
Thomson's highest-force 24/48 V DC rod actuator, using a ball screw and onboard monitoring electronics to reach 25 kN with a higher duty cycle than the HD.
Electrak MD
Medium-duty 12/24 V DC lead-screw actuator with the same sealing as the HD, offered with low-level switching, position feedback and CAN bus options.
Electrak 1 / Electrak 1SP
Small sealed acme-screw DC actuator for light intermittent duty, available with limit switches (Electrak 1) or a potentiometer feedback version (1SP).
Electrak 050 (E050)
Compact, quiet, low-cost worm-drive DC actuator with a short retracted length, suited to medical and office equipment.
Electrak 10
Older general-purpose DC rod actuator offered with acme or ball screw up to 6.8 kN; Thomson now files it under legacy products.
Max Jac
Light-duty 12/24 V DC actuator built for exposure to mud, salt water and high-pressure washdown, offered with worm or ball screw and analogue or encoder feedback.
WhisperTrak
Quiet acme-screw DC actuator designed to medical electrical safety standards for patient handling and mobility products; Thomson lists it as obsolete.
Warner Linear B-Track K2
Rugged rod actuator from the Warner Linear range with acme or ball screw, DC or single-phase AC motors and optional integrated limit and feedback controls.
PC Series precision linear actuators
Ball-screw rod-style servo actuator in three square profile sizes, for high-speed precise positioning and pneumatic cylinder replacement, with inline or parallel motor mounting.
WM (POWERLINE) linear units
Ball-screw driven, ball-rail guided rodless linear modules in aluminium profiles for stiff, precise long-stroke axes, with a belt-driven WMZ variant for higher speed.
WH (SPEEDLINE) linear units
Belt-driven, wheel-guided rodless linear modules for very fast, high-acceleration transfer axes, with stainless washdown versions and a WHZ vertical-axis variant.
MLA motorized lead screw actuator (stepper motor linear actuators)
Fully housed stepper-motor lead-screw actuator with built-in anti-rotation, part of Thomson's MLS/MLN/MLA motorised lead screw family for small precise positioning.
Sources
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