RS-DK02 Linear Actuator 400mm Stroke 8000N

Specification sheet

Will it fit my vehicle?

How to identify the correct unit: locate the reference number stamped on your original component or in the vehicle parts catalogue, then cross-check it against the number below before ordering. Trim and market variants exist for many applications, so the short check is worth the minute before checkout.

How to identify & confirm fitment in 4 steps

1. Locate the OE / reference number on your old part or in the vehicle parts catalogue.
2. Match it to RS-DK02 shown on this page.
3. Send your VIN and engine code plate so our team runs an exact-fit check.
4. Receive fitment confirmation before we dispatch your order.

Cross-reference coverage for linear actuator fitment is listed above; confirm your VIN before ordering.

Overview & context

A direct-fit compatible replacement referenced by RS-DK02 for the applications listed in the fitment block.

Feature highlights

Buyers searching farm ventilation actuator and patient lift actuator look for the strengths listed here: direct fit, verified reference and wholesale packing.

Where it fits

The fitment block above lists the markets and model families this reference is stocked for, so buyers can match demand without re-checking every listing.

Engineering notes

Application context. Mid-stroke stalling is usually electrical, not mechanical: undersized supply wiring starves the motor, which draws 12-20 A at full load on 12 V, and the resulting voltage drop reads as a weak actuator. Creeping under load means the application exceeds the self-locking force, which documented tables place slightly above maximum thrust. Sudden end-of-travel dead zones implicate the built-in limit switches. Grinding noise points to the steel-alloy gear stage after side-loading. If effective travel falls short of 400 mm, check mounting geometry first: connecting at full extension consumes stroke, a documented behavior of this actuator class.

Application context. Plan installed length before ordering: documented 400 mm units extend to roughly stroke plus 350 mm of body, and one supplier notes that heavy loads should not run to maximum stroke, recommending a longer unit for the same working travel. Align thrust axially, because side load destroys the extension rod guides. Use two rated brackets through the 13 mm mounting holes and size the cable for full-load current, not no-load figures. Pair the supply at 12 V/20 A or 24 V/10 A per unit and fuse the line. Choose potentiometer or Hall feedback whenever synchronized multi-actuator motion or remote position readout is required.

Field note. Maintenance on IP65 sealed units is light but specific. Wipe the chrome extension rod clean and leave its lubricant film intact; the sealed mechanism is not designed for field greasing. Respect the 10 percent duty cycle: two minutes of work followed by cooldown prevents the winding heat that kills brushed motors. Inspect cable glands and boot seals annually, since a breached seal turns an outdoor unit into a corrosion case. Exercise the full stroke periodically while in storage to redistribute grease internally. Record cycle counts against the documented 35,000-cycle life so replacement can be scheduled before failure in critical installations.

Deep dive. Start from the speed-thrust table, not the headline number: 8,000 N exists only at 5 mm/s, while 12 mm/s units cap near 5,000 N. Match protection to the site: IP65 stainless units for solar trackers, gates, and marine exposure; IP43 for furniture and indoor automation at lower cost. Select feedback deliberately: basic two-core for simple up-down duty, potentiometer for position readout, Hall sensors for closed-loop synchronization. Check static load too, since verified solar-tracker models quote 20,000 N static capacity. Finally, confirm whether mounting brackets are included, because several verified listings sell them separately from the actuator.

Field note. Documentable compliance points are straightforward. Ingress protection claims of IP65 or IP43 reference the IEC 60529 test definitions, and buyers should see the rating stated on the datasheet rather than only in marketing copy. CE marking appears on verified heavy-duty listings, covering the low-voltage and EMC directives relevant to a DC motor device. There is no product-specific ISO standard for linear actuators, so specification files should record voltage, thrust at the chosen speed, duty cycle, and protection class from the manufacturer datasheet. For feedback variants, the five-core and six-core cable conventions serve as the practical identification method.

Application context. Documented applications concentrate in off-grid and heavy positioning work: small and medium solar tracker arrays, cellar and access doors, agricultural machinery adjustment, marine hatches, and industrial lifting tables. Solar installers buy the 12/24 V IP65 variants in project quantities; equipment OEMs integrate potentiometer or Hall feedback versions where controllers need position data; workshop builders use basic two-core units on presses and gates. Distribution buyers include automation integrators, solar EPC contractors, and industrial spare-parts dealers. Fleet purchasers should standardize one voltage platform per site to simplify spare actuators, brackets, and power supplies.

Field note. On a high-thrust linear actuator the primary wear item is the trapezoidal screw nut inside the tube, followed by the wiper seal that keeps dust out of the rod, the clevis bushings, and the internal limit micro-switches. Grease intervals depend on duty cycle, but every teardown should pair a new wiper with a regreased nut for balanced life. Treat mounting pins as consumables too: ovalled pins introduce misalignment that multiplies side load and destroys the nut far ahead of schedule.

Technical background. Ship and store the unit fully retracted, because an extended rod is a lever arm that bends on impact and scratches its hard chrome surface. Keep protective caps on both ends so debris cannot enter the rod bore, and never carry or hang the actuator by the rod itself. Store horizontally on a rack in a dry space; for long warehouse periods, cycle the full stroke every few months to redistribute grease internally and keep the seals from taking a set.

Field note. Preparation is mostly alignment and electrical work. Lay out clevis pins, retaining clips, and a torque wrench for the mounting bolts; measure the space between brackets and confirm the 400 mm stroke plus body length actually fits before drilling anything. Use a correctly rated power supply and a switch or controller wired with the right polarity, check all connections with a multimeter before the first run, and jog the actuator slowly to both ends to verify the built-in limit switches stop it cleanly.

The engineering notes above compile verified reference, material and application data for aftermarket linear actuator, compatible linear actuator and linear actuator catalog.

Deep dive. Cold raises grease viscosity and slows extension speed; hot weather does the opposite but pushes the seals and motor harder. Outdoors, respect the stated ingress protection rating, add a drip loop to the cable gland, and prevent ice from bonding the rod to its wiper, because forcing a frozen actuator bends the rod. Machines mounted near washdown areas or condensation-prone walls need drainage paths underneath so standing water never pools against the rear cover or cable entry.

Technical background. For batch orders, verify each carton carries the rated stroke, force class, and speed variant, then sample-test incoming units: measure retracted and extended length, run to both limits, and listen for abnormal gear noise under load. Ask which documentation accompanies shipments, for example CE/EMC declarations, dimensional drawings, and IP test reports, and require serial numbers on every label so field failures trace back to a production batch. Keep a spare pool covering pins, seals, and one complete actuator.

Technical background. This model family typically splits into configurations that trade speed against the 8000 N thrust class, so match the gear ratio to your duty cycle rather than assuming one catalog speed fits all applications. Feedback options differ too: plain limit-switch units simply stop at both ends, while potentiometer or Hall-sensor versions report position and require a compatible controller. The classic misuse is allowing side load or running the unit against a hard stop after the limit fails; both destroy the screw nut quickly.

Supply note. Feedback options on verified models are two-core basic cable, five-core with built-in potentiometer, or six-core with Hall sensors; front and rear mounting holes measure 13 mm.

Application note. Verified 400 mm stroke heavy-duty actuators develop 8,000 N (800 kg / 1,800 lb) maximum thrust at the 5 mm/s speed setting; faster windings trade thrust for speed, down to about 1,000 N at 50 mm/s.

Application note. Duty cycle is 10 percent with a maximum of roughly 2 minutes continuous operation, and documented service life is about 35,000 cycles.

Workshop note. Industrial versions use stainless steel housing and extension rod with IP65 sealing; cheaper indoor variants are IP43 and marked for indoor use only.

Application note. Full-load current is 12-20 A at 12 V or 6-10 A at 24 V, so verified supply guidance is 12 V/20 A or 24 V/10 A per actuator.

Technical notes for linear actuator guide are compiled from catalogue references and pre-dispatch application checks.

Quality & testing

Inspection runs on an AQL sampling plan: incoming material, in-process checkpoints and a final release check are recorded on the batch sheet. Certification on file: CE.

After-sales & warranty

12 Months limited warranty against manufacturing defects. Coverage applies to correctly installed units; keep the batch date code so any claim is processed against its inspection record. Stroke, load and control-signal questions are answered by our technical team before dispatch.

The Vidishi Auto advantage

Linear Actuator — Linear Actuator. Supplied under Vidishi Auto with batch traceability and trade-grade packing; volume pricing and private-label options are available on request. Linear actuators are supplied for automation, medical and vehicle lift applications.

Shipping & packaging

We ship worldwide to distributors and garages from China, Dongguan. Each Linear Actuator is packed in a single-unit export carton. Actuators ship with the rod retracted and locked in protective packaging. Tracked air or sea freight is arranged per order volume.

Bulk quantities of linear actuator supplier and linear actuator bulk order ship in mixed containers from China, Dongguan.

Frequently asked questions

Further permanent magnet actuator questions are answered by the trade desk within one business day.

Compliance disclaimer

Vidishi Auto is an independent supplier. This is an aftermarket compatible replacement, not a genuine OEM part. Brand names are trademarks of their respective owners and are used only to identify fitment.

B2B support

Wholesale terms are quoted per market: volume breaks, mixed-SKU containers and private-label options are all handled by the trade desk. Control-signal and mounting-bracket drawings are available on request.

Trade desk replies with quotation, MOQ and lead time in one business day.

Enquiries about wholesale linear actuator and linear actuator price receive quotations within one business day.

Stroke & load control

Actuator orders are matched to the application specification; the control interface below is confirmed before dispatch.

• Pre-dispatch checks: the OE / reference number is matched against your old part before packing.

Installation and service notes for linear actuator replacement, linear actuator controller and heavy duty linear actuator 12v are confirmed by our technical team before dispatch.

• Stroke, load rating and control signal are confirmed against your specification before dispatch.
• Mounting-bracket and wiring details are confirmed with the quotation.

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Feedback & control options

Control interfaces are matched to the application; the options below are confirmed before dispatch.

• Configuration checks: the supplied configuration is confirmed against your order before dispatch; application covers RS-DK02.

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• Control signal type and feedback options are confirmed against your specification before dispatch.
• Limit-switch and potentiometer configurations are confirmed with the quotation.

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• Control cables and connectors are quoted with the unit where required.

Configuration and service notes for electric actuator 12v and linear actuator 8000n are confirmed by our technical team before dispatch.