{"id":885,"date":"2026-08-12T07:35:57","date_gmt":"2026-08-12T07:35:57","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=885"},"modified":"2026-08-12T07:35:57","modified_gmt":"2026-08-12T07:35:57","slug":"ep-40w-output-power-dc-motor","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/nl\/product\/ep-40w-output-power-dc-motor\/","title":{"rendered":"EP-40W uitgangsvermogen DC-motor"},"content":{"rendered":"
\n
\n

EP Series | 40W Output Power<\/p>\n

EP-40W DC Motor<\/h1>\n

Precision-engineered for demanding industrial and automation environments, the EP-40W dc motor<\/strong> delivers reliable performance across a broad voltage range. Available in 12V, 24V, and 90V configurations, this compact brushed motor combines consistent torque output with extended brush life \u2014 making it the go-to choice for OEM integrators, machine builders, and engineers seeking a dependable high torque dc motor<\/strong> with predictable speed control.<\/p>\n

Universele gelijkstroommotor<\/a><\/p>\n<\/div>\n

\n

Motor Performance Parameters<\/h2>\n

The table below details the rated performance data for all three EP-40W dc motor<\/strong> voltage variants. All values are measured under standard ambient conditions (20\u00b0C, sea level).<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
Model<\/th>\nVoltage (V)<\/th>\nPower (W)<\/th>\nNo-load<\/th>\nFull Load<\/th>\nBrush Life (H)<\/th>\nWeight (kg)<\/th>\n<\/tr>\n
Speed (RPM)<\/th>\nCurrent (A)<\/th>\nSpeed (RPM)<\/th>\nTorque (kg\u00b7cm)<\/th>\nCurrent (A)<\/th>\n<\/tr>\n<\/thead>\n
K5D40-12\u25a1<\/td>\n12<\/td>\n40<\/td>\n3100<\/td>\n2.0<\/td>\n2800<\/td>\n1.4<\/td>\n5.2<\/td>\n3000<\/td>\n1.9<\/td>\n<\/tr>\n
K5D40-24\u25a1<\/td>\n24<\/td>\n40<\/td>\n3000<\/td>\n0.8<\/td>\n2800<\/td>\n1.4<\/td>\n2.2<\/td>\n3000<\/td>\n1.9<\/td>\n<\/tr>\n
K5D40-90\u25a1<\/td>\n90<\/td>\n40<\/td>\n3200<\/td>\n0.3<\/td>\n3000<\/td>\n1.3<\/td>\n0.7<\/td>\n3000<\/td>\n1.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u25a1 suffix denotes shaft output type. Refer to bare motor output shaft dimension table below.<\/p>\n<\/div>\n

<\/p>\n

\n

Compatible Gearbox Dimensions<\/h2>\n

The EP-40W interfaces directly with the 5GN gearbox series. Three gearbox frame sizes are available, each with a standardised L-dimension and defined weight. The gearbox bolts directly to the motor’s 90\u00d790 mm flange, secured by four M6 bolts (or 4\u00d7\u00f86.5 through holes depending on variant), eliminating the need for adaptor plates.<\/p>\n

\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
Gearbox Model<\/th>\nReduction Ratio<\/th>\nL Dimension (mm)<\/th>\nWeight (kg)<\/th>\n<\/tr>\n<\/thead>\n
5GN3K \u2013 GN18K<\/td>\n3 \u2013 18<\/td>\n42<\/td>\n0.73<\/td>\n<\/tr>\n
5GN20K \u2013 GN36K<\/td>\n20 \u2013 36<\/td>\n60<\/td>\n1.03<\/td>\n<\/tr>\n
5GN40K \u2013 GN200K<\/td>\n40 \u2013 200<\/td>\n60<\/td>\n1.13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

<\/p>\n

\n

Allowable Torque on Gearbox \u2014 4GN\u25a1K Series<\/h2>\n

The following allowable torque data applies to the K2D10-24\u25a1 model when paired with the 4GN\u25a1K gearbox family. Output shaft speeds and permissible torque values are listed across the full reduction ratio range.<\/p>\n

\n\n\n\n\n\n\n\n
Model<\/th>\nParameter<\/th>\n3<\/th>\n3.6<\/th>\n5<\/th>\n6<\/th>\n7.5<\/th>\n9<\/th>\n10<\/th>\n12.5<\/th>\n15<\/th>\n18<\/th>\n20<\/th>\n25<\/th>\n30<\/th>\n36<\/th>\n40<\/th>\n50<\/th>\n60<\/th>\n<\/tr>\n<\/thead>\n
K2D10-24\u25a1<\/td>\nOutput (r\/min)<\/td>\n1000<\/td>\n833<\/td>\n600<\/td>\n500<\/td>\n400<\/td>\n333<\/td>\n300<\/td>\n240<\/td>\n200<\/td>\n166<\/td>\n155<\/td>\n124<\/td>\n103<\/td>\n86<\/td>\n78<\/td>\n62<\/td>\n52<\/td>\n<\/tr>\n
Torque (N\u00b7m)<\/td>\n0.31<\/td>\n0.37<\/td>\n0.62<\/td>\n0.62<\/td>\n0.77<\/td>\n0.93<\/td>\n1.03<\/td>\n1.29<\/td>\n1.55<\/td>\n1.86<\/td>\n1.86<\/td>\n2.32<\/td>\n2.79<\/td>\n3.35<\/td>\n3.36<\/td>\n4.20<\/td>\n5.04<\/td>\n<\/tr>\n
Torque (kgf\u00b7cm)<\/td>\n3.20<\/td>\n3.80<\/td>\n6.30<\/td>\n6.30<\/td>\n7.90<\/td>\n9.50<\/td>\n10.50<\/td>\n13.20<\/td>\n15.80<\/td>\n19.00<\/td>\n19.00<\/td>\n23.71<\/td>\n28.46<\/td>\n34.15<\/td>\n34.30<\/td>\n44.23<\/td>\n51.45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

<\/p>\n

\n

Bare Motor Output Shaft Options<\/h2>\n
\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n
Shaft Type<\/th>\nGear Shaft<\/th>\nFlat Type<\/th>\nMilled Keyway<\/th>\n<\/tr>\n<\/thead>\n
Model Code<\/td>\nDC5GN40-\u25a1<\/td>\nDC5A40-\u25a1<\/td>\nDC5A140-\u25a1<\/td>\n<\/tr>\n
Suitable For<\/td>\nGearbox coupling<\/td>\nPulley \/ pinion drive<\/td>\nKeyed coupling \/ sprocket<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"superiortransmissioninc-products-EP-40W<\/p>\n

\n

Five Key Advantages of the EP-40W DC Motor<\/h2>\n
\n
\n

\u2460 Multi-Voltage Flexibility<\/p>\n

The EP-40W is available in 12V, 24V, and 90V variants, allowing seamless integration into battery-powered systems, standard DC supplies, or industrial DC bus networks without requiring external voltage converters.<\/p>\n<\/div>\n

\n

\u2461 Consistent Torque at Load<\/p>\n

Rated at 1.3\u20131.4 kg\u00b7cm under full load across all voltage models, this permanent magnet dc motor<\/strong> maintains stable torque without the performance dips typical in lower-grade units \u2014 vital for conveyor systems, packaging lines, and medical instruments.<\/p>\n<\/div>\n

\n

\u2462 Extended Brush Life \u2014 3,000 Hours<\/p>\n

Factory-rated brush life of 3,000 hours minimises maintenance intervals in continuous-duty applications. The carbon brush geometry is optimised for low sparking, reducing electrical noise that can interfere with sensitive control electronics or dc motor drive<\/strong> systems.<\/p>\n<\/div>\n

\n

\u2463 Compact, Lightweight Build<\/p>\n

At just 1.9 kg, the EP-40W slots into space-restricted enclosures. The 90\u00d790 mm face-mount flange and standardised shaft options \u2014 gear shaft (DC5GN40), flat type (DC5A40), and milled keyway (DC5A140) \u2014 reduce custom coupling costs and cut assembly time significantly.<\/p>\n<\/div>\n

\n

\u2464 Gearbox-Ready Design<\/p>\n

Direct compatibility with the 4GN and 2GN gearbox series (reduction ratios from 3:1 to 200:1) means the EP-40W can be transformed into a high torque electric motor<\/strong> assembly in minutes, covering output speeds from under 20 r\/min to over 1,000 r\/min for diverse drive requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

DC Motor Working Principle<\/h2>\n

Understanding the dc motor working principle<\/strong> helps engineers select the right operating point and predict performance under real-world load conditions. The EP-40W operates on Faraday’s law of electromagnetic induction: a current-carrying conductor placed within a permanent magnetic field experiences a mechanical force. In a brushed dc electric motor<\/strong>, this force is harnessed to produce continuous rotation.<\/p>\n

Inside the EP-40W, a wound armature rotates between two permanent magnets mounted in the stator housing. Carbon brushes press against a segmented copper commutator on the armature shaft, switching current direction through the windings in precise synchrony with rotor position. This self-commutating action is the defining characteristic of a brushed motor \u2014 no external electronic commutation circuit is required, unlike a brushless dc motor<\/strong> (BLDC motor) or a dc servo motor<\/strong>, where rotor position feedback drives an external drive stage.<\/p>\n

The back-EMF generated as the armature accelerates provides inherent speed regulation: as load increases, back-EMF decreases, allowing more current to flow and torque to rise automatically \u2014 up to the motor’s rated limits. This behaviour makes the EP-40W particularly forgiving in variable-load applications, such as feed mechanisms and positioning stages, where instantaneous torque demand fluctuates.<\/p>\n

Compared to a dc stepper motor<\/strong>, which moves in discrete angular increments, the EP-40W delivers smooth, continuous rotation well suited to constant-speed drive tasks. Compared to a bldc motor<\/strong>, it requires no controller complexity for basic operation, reducing system BOM cost while still offering the speed-torque flexibility engineers expect from premium dc electric motors<\/strong>.<\/p>\n<\/div>\n

<\/p>\n

\n

Materialen en bouwkwaliteit<\/h2>\n

The EP-40W dc motor<\/strong> housing is cold-rolled steel, powder-coated for corrosion resistance in workshop and light outdoor enclosure environments. The stator employs high-energy sintered permanent magnets that retain their magnetic flux over the full rated service life \u2014 an important distinction from ceramic-ferrite motors, which can suffer flux loss at elevated operating temperatures above 80\u00b0C.<\/p>\n

The armature core is laminated silicon steel, a material choice that dramatically cuts eddy-current losses at operating speeds above 2,800 RPM. Each lamination layer is coated with an insulating varnish before stacking and pressing \u2014 a manufacturing step that separates precision-grade motors from budget alternatives. The winding wire is enamelled copper with a Class B (130\u00b0C) thermal rating, providing adequate margin above the motor’s normal operating temperature rise of 40\u201350 K.<\/p>\n

Bearings at both shaft ends are pre-greased, sealed deep-groove ball bearings, selected for low-friction operation and minimal maintenance over the motor’s rated brush life. The commutator is CNC-ground copper, ensuring contact surface uniformity that extends brush life and keeps commutation noise below the thresholds of most motion-control electronics. All materials comply with RoHS directives, supporting export compliance across EU, Australian, and North American markets.<\/p>\n<\/div>\n

<\/p>\n

\n

Toepassingsscenario's<\/h2>\n

The EP-40W dc motor<\/strong> is a versatile platform. Below are the core application segments where the motor delivers proven, repeatable performance.<\/p>\n

\n
\n

\ud83c\udfed Industrial Automation<\/p>\n

Conveyor belt drives, rotary indexing tables, and pick-and-place actuators in manufacturing lines rely on the EP-40W’s stable torque curve. The motor’s low-inertia armature allows fast start-stop cycles without thermal accumulation, making it suitable for packaging machinery and labelling equipment operating at high cycle rates.<\/p>\n<\/div>\n

\n

\ud83c\udf3e Agricultural Machinery<\/p>\n

Precision seed dispensers, irrigation control valves, and grain auger drives often specify a small dc motor<\/strong> in the 24V range to match tractor electrical systems. The EP-40W’s 24V variant delivers exactly this, with a 2,800 RPM rated speed that pairs efficiently with step-down gearboxes for low-speed, high-torque final drive duties.<\/p>\n<\/div>\n

\n

\ud83c\udfe5 Medical & Laboratory<\/p>\n

Diagnostic instruments, sample carousel drives, and infusion pump mechanisms need a quiet, precise motion source. The EP-40W’s smooth commutation and compact 90\u00d790 mm footprint fit into instrument housings where vibration and acoustic noise must stay below clinical thresholds. Its low no-load current draw also extends battery life in portable devices.<\/p>\n<\/div>\n

\n

\ud83d\udda8\ufe0f Office & Printing Equipment<\/p>\n

Industrial printers, document feeders, and currency-handling machines use dc motors to drive paper transport rollers at controlled speeds. The EP-40W’s tight speed regulation under variable media friction loads keeps print registration accurate, reducing reject rates on high-volume production print lines.<\/p>\n<\/div>\n

\n

\ud83d\udd27 Test & Measurement Rigs<\/p>\n

Load simulation platforms, environmental test chambers, and torque calibration benches benefit from the EP-40W’s predictable speed-torque characteristic. Engineers building custom test fixtures can drive the motor from a standard bench power supply or PWM controller, dialing in exact load conditions with no specialised driver hardware required.<\/p>\n<\/div>\n

\n

\ud83d\ude97 Light EV & Mobility Aids<\/p>\n

Wheelchair actuators, mobility scooter ancillary drives, and small electric vehicle accessory systems (mirror tilt, seat adjustment) often use a 12V or 24V dc electric motor<\/strong> in this power class. The EP-40W’s 3,000-hour brush life comfortably exceeds the expected duty cycle for intermittent-use actuator applications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"superiortransmissioninc-products-EP-40W<\/p>\n

\n

About Our Manufacturing Operation<\/h2>\n

With over ten years of accumulated experience in mechanical power transmission, our production facility specialises in dc motor<\/strong> assemblies, gearbox systems, and drive components for global industrial markets. Our engineering team holds deep working knowledge of motor-drive integration \u2014 from brushed dc electric motors<\/strong> to complex multi-stage reducer assemblies \u2014 and brings that expertise directly to each custom project.<\/p>\n

Our product portfolio spans agricultural gearboxes, worm gear reducers, planetary gear drives, power take-off shafts, hydraulic cylinders, gears, chains, and motors. The facility operates under ISO 9001:2015 quality management certification, ensuring consistent process control from raw material intake through final outgoing inspection. We manufacture a broad range of industrial and agricultural gearboxes and assemblies using ductile iron, cast iron, cast steel, precision cast steel, and cast aluminium, alongside gears, sprockets, worm gears, pulleys, worm shafts, and both standard and non-standard mechanical transmission parts tailored to client specifications.<\/p>\n

Workshop<\/h3>\n
\n
\"DC
\n\"Cylinder
\n\"Drilling
\n\"Motor<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n

Related Products \u2014 Complete Drive Systems<\/h2>\n

The EP-40W dc motor<\/strong> is engineered to work alongside our full lineup of drive and reduction components, giving machine builders a single-source solution for complete electromechanical drive trains. System compatibility and consistent engineering standards across product families reduce integration risk and simplify procurement.<\/p>\n

\n
\n

Elektromotoren<\/a><\/p>\n

\"Electric<\/p>\n

Our full range of Elektromotoren<\/a> covers AC single-phase, AC three-phase, and multiple DC motor types for diverse industrial voltage requirements. Pairing an EP-40W with a compatible electric motor from our portfolio enables modular drive configurations, with the reassurance that all components share engineering tolerances and flange standards verified at our facility.<\/p>\n<\/div>\n

\n

Wormwieloverbrenging<\/a><\/p>\n

\"Worm<\/p>\n

Our Wormwieloverbrenging<\/a> series is a natural complement to the EP-40W, providing self-locking reduction ratios from 5:1 to 100:1 in a compact right-angle housing. When combined with a high torque dc motor<\/strong> like the EP-40W, the worm reducer delivers the high output torque and position-holding capability required in gate actuators, conveyor gate lifts, and valve drive assemblies.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n

Veelgestelde vragen<\/h2>\n
\n
\nHow does a 40W brushed dc motor handle variable load conditions in Australian agricultural machinery?<\/summary>\n
The EP-40W’s permanent magnet design provides inherent back-EMF regulation \u2014 as the mechanical load on the shaft increases, the motor automatically draws more current to sustain torque, keeping speed drop within a narrow band without closed-loop control electronics. For agricultural applications in Australia and similar markets, where load can shift suddenly (e.g., seed feed rate changes), this self-regulating behaviour prevents stalling in the majority of duty cycles. Pairing with a PWM-based dc motor drive controller adds a further layer of speed stability for more demanding processes.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhat is the difference between a brushed dc motor and a brushless dc motor for industrial conveyor systems in Europe?<\/summary>\n
A brushed dc motor<\/strong> \u2014 like the EP-40W \u2014 uses carbon brushes and a mechanical commutator to switch current through the armature windings. This makes it simpler to control: a basic voltage or PWM signal is enough to vary speed. A brushless dc motor<\/strong> (BLDC motor) replaces the mechanical commutator with electronic switching, eliminating brush wear and enabling higher speeds and efficiency \u2014 but at the cost of a more complex, costlier drive controller. For European conveyor applications where budget, ease of replacement, and standard 24V DC supplies are priorities, the brushed EP-40W often provides the better total-cost solution over a full BLDC motor system.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhich gearbox reduction ratio should I select when pairing a high torque dc motor with a slow-speed belt conveyor drive?<\/summary>\n
The EP-40W runs at approximately 2,800\u20133,000 RPM at rated load. If your conveyor drive shaft requires, say, 30 RPM, you would need a reduction ratio of roughly 93:1. The compatible 5GN gearbox series covers ratios from 3:1 up to 200:1, so a 100:1 gearbox would give you approximately 28\u201330 RPM output \u2014 well within the allowable torque envelope shown in the gearbox torque table above. Always verify that the required output torque falls below the gearbox’s stated allowable value at the chosen ratio before finalising the selection.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhere can I source a complete dc motor kit with gearbox and mounting hardware for a UK medical device project?<\/summary>\n
The EP-40W is available as a standalone motor or as a complete dc motor kit<\/strong> assembled with a compatible 5GN gearbox, motor lead cable, and mounting flange hardware. For medical device projects in the UK or EU, we can supply a documentation package covering the motor’s material declarations (RoHS compliance), performance test reports, and dimensional drawings in PDF format \u2014 supporting your CE marking or UKCA documentation process. Contact our technical team with your load specification and mounting envelope, and we will configure the optimum motor-gearbox combination.<\/div>\n<\/details>\n<\/div>\n
\n
\nHow long does a 3,000-hour brush life translate to in real years of operation for a North American packaging line running two shifts?<\/summary>\n
A two-shift production schedule typically means 16 operating hours per day, five days a week, roughly 4,160 hours per year. The EP-40W’s 3,000-hour rated brush life therefore represents approximately 8.5 months of continuous two-shift use before brush replacement is due. In practice, brush wear rate depends on load, commutator condition, and ambient temperature \u2014 motors running at lighter loads and lower temperatures often exceed the rated life comfortably. A predictive maintenance schedule of brush inspection every 1,500 hours is a sensible practice for North American packaging lines where unplanned downtime costs are high.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhat type of dc motor controller works best with a permanent magnet dc motor running at high speed on a 90V supply?<\/summary>\n
For the EP-40W 90V variant, a DC motor drive based on phase-angle (SCR) control or a PWM chopper controller rated for 90\u2013120V DC and at least 2A continuous is the standard choice. SCR drives are cost-effective and widely available in North American and European markets; PWM controllers offer smoother low-speed regulation and are better suited if precise positioning is required. Ensure the drive’s minimum speed setting is compatible with your process: the EP-40W’s dc motor high speed<\/strong> capability at 90V reaches 3,200 RPM no-load, so a controller with IR compensation will help maintain speed accuracy under varying mechanical loads.<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n

Redacteur: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-40W is a brushed permanent magnet dc motor designed around the K5D40 frame, a well-proven platform in the light industrial segment. With an output power rating of exactly 40 watts, it occupies the practical sweet spot between underpowered micro motors and bulkier fractional-horsepower units that demand heavier mounting structures.<\/p>\n

No-load speeds range from 3,000 RPM (24V model) to 3,200 RPM (90V model), while full-load operating speeds settle between 2,800 and 3,000 RPM \u2014 a tight regulation band that simplifies downstream control architecture.<\/p>\n

The motor lead cable is 300 mm long as standard, pre-fitted for panel routing. The wiring configuration follows the universal CW\/CCW convention: red lead to positive for clockwise rotation, black lead for the return path.<\/p>","protected":false},"featured_media":886,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[31],"product_tag":[],"class_list":["post-885","product","type-product","status-publish","has-post-thumbnail","product_cat-universal-dc-motor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/product\/885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/media\/886"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/media?parent=885"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/product_brand?post=885"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/product_cat?post=885"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/nl\/wp-json\/wp\/v2\/product_tag?post=885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}