Brushed and brushless motors use different methods of switching electrical current to keep the motor turning. For importers, distributors and private-label buyers, that distinction is useful technical information, but it is only one part of selecting an electric pruning shear.
All electric pruning shears in the current COCHUMS product range use brushless motors. A purchasing decision still needs the exact motor reference, compatible controller, gearbox, blade mechanism and battery configuration. This guide explains the two motor architectures, what can and cannot be concluded from them, and how to evaluate a complete tool before approving an order.
How Brushed and Brushless Motors Work
Brushed DC motors: mechanical commutation
A brushed DC motor uses brushes in contact with a commutator to supply current to rotating windings. As the rotor turns, the commutator changes the electrical connections so rotation continues.
The brush-and-commutator interface is subject to wear. Its design and service arrangements are therefore relevant to procurement. This fact alone does not establish a maintenance interval or service life for a finished pruning shear, and it does not mean the brushes in every product are individually replaceable.
Brushless motors: electronic commutation
A brushless motor uses electronic drive circuitry to switch current through the motor phases instead of a brush-and-commutator interface. The motor and electronic controller need to be considered together.
Removing the brush interface eliminates that specific contact and wear mechanism, but bearings, gears, blades, electrical connections and other components still require attention. A brushless label does not make a pruning shear maintenance-free.
What Motor Architecture Can—and Cannot—Tell a Buyer
Efficiency, heat and battery runtime
Motor architecture affects drive-system design, but it does not establish a measured efficiency or operating temperature for a particular pruning shear.
Battery runtime also depends on the battery and controller, mechanical losses, cutting load and working pattern. A claim about motor efficiency should not be treated as a claim about cuts per charge or operating time. Where such results matter, request data for the exact complete-tool configuration and stated test conditions.
Torque and cutting behaviour
Motor output reaches the blade through a transmission and cutting mechanism. Gear reduction, controller limits, blade condition and branch characteristics all influence cutting behaviour.
Motor architecture alone does not establish blade force, cutting speed or the ability to complete a particular cut. Two tools with the same catalogue cutting capacity may also behave differently in a representative evaluation.
Noise, service life and reliability
The sound of a pruning shear may come from its motor, gears, mechanism and cutting action. A motor label alone cannot establish noise levels for the complete tool.
Likewise, the absence of brushes does not prove a longer overall product life or a lower failure rate. Such comparisons require an identified configuration, defined evaluation methods and supporting records.
Brushless Motors Across the Current COCHUMS Range
COCHUMS confirms that its current electric pruning shear range, from CPS-01 through CPS-10, uses brushless motors. The catalogue also lists motor configuration references such as “20 motor,” “25 motor,” “30 motor” and “40 motor.” These catalogue references distinguish product configurations; they must not be interpreted on their own as motor power, torque, physical dimensions or measured performance.
Although all current models share brushless motor architecture, the precise motor reference and the associated controller, gears, blade arrangement and cutting capacity still need to be checked for the model quoted.
Shared product platforms need version-specific records
The CPS-02 / CPS-03 / CPS-04 series lists a 20 motor for CPS-02 and a 25 motor for CPS-03 and CPS-04. The CPS-05 / CPS-06 / CPS-07 series similarly lists a 20 motor for CPS-05 and a 25 motor for CPS-06 and CPS-07.
These are documented configuration differences within the current brushless range. They do not demonstrate that one version is more efficient or more powerful. Keep the exact CPS model and component references together in the specification and sample record.
Equal cutting capacity does not mean identical drive systems
CPS-09 and CPS-10 both have a confirmed catalogue cutting capacity of 40 mm, while their listed motor, controller and gear configurations differ.
That makes complete-system comparison important, even though both use brushless motors. The catalogue information alone is not evidence of higher torque, longer runtime or better service life for either model.
Compare the Complete Drive System
Motor and controller
Ask which controller is specified for the motor and how the approved motor-controller combination is identified. Where relevant, request documentation for operating limits, protection behaviour and diagnostic procedures.
If either component changes, confirm whether a matching change is required elsewhere and how the revised configuration will be validated. Do not assume parts can be exchanged independently.
Gearbox and blade mechanism
The gearbox and blade mechanism translate motor operation into cutting action. Review their references alongside the motor and controller.
Ask which parts are serviceable, how replacements are matched to the product version and which maintenance instructions apply. Similar-looking housings do not establish parts compatibility.
Battery and charger configuration
Confirm the battery and charger supplied with the exact quoted version before evaluating runtime or comparing offers. Record the battery used in each sample test, since different batteries, controller settings or blade conditions can affect the results.
Evaluate Samples Before Making Performance Claims
Begin by confirming that every sample matches its written specification. Then agree on an evaluation that represents the intended pruning work and follows the product instructions.
A useful comparison record should include:
- The CPS model, brushless motor reference and paired controller.
- The battery configuration and charging condition.
- The blade reference, condition and adjustment.
- The branch material, diameter range and condition.
- The cutting sequence, rest periods and operating environment.
- The observations, interruptions and measurement method.
If two samples differ in several components, the results compare those complete configurations; they do not isolate the effect of any single component. A demonstration cut is useful for an initial review, but it does not establish service life, failure rate or performance across every pruning condition.
Include Service Arrangements in the Purchasing Decision
Ask what is actually serviceable
For COCHUMS brushless configurations, ask how motor and controller faults are diagnosed and whether replacement parts are supplied as separate components or assemblies.
For any pruning shear being compared, confirm who performs service, what documentation is available and how components are identified. Maintenance should follow the instructions applicable to the exact model.
Compare the quoted support package
Consider the actual product offer together with its service arrangements. Ask about replacement-part availability, repair responsibility and the scope of the agreed warranty.
Do not assume that motor architecture determines purchase price or total ownership cost. Those conclusions require model-specific quotations and support information.
Questions to Ask Before Approving an Order
- Which brushless motor reference and compatible controller are specified for the quoted CPS model?
- Does the sample match the approved motor-controller configuration?
- Which battery, gearbox and blade configuration accompanies it?
- What test methods and conditions support any performance claims?
- Which components are serviceable, and how are replacement parts identified?
- How will component changes be documented and approved?
- Which technical statements are supported for manuals, packaging and marketing?
- What service and commercial terms have been confirmed for this specific order?
Keep the answers with the quotation and sample record. For private-label requirements, the COCHUMS OEM/ODM process provides a starting point for discussing product configuration and presentation.
Frequently Asked Questions
Are all current COCHUMS electric pruning shears brushless?
Yes. COCHUMS confirms that all electric pruning shears in its current CPS-01 to CPS-10 range use brushless motors. The exact motor, controller and other component references still vary by configuration.
Is a brushless motor always the better choice?
Not necessarily. Electronic commutation changes the drive architecture, but suitability depends on the complete tool, intended work, verified behaviour and service arrangements. Compare identified configurations against the actual purchasing requirement.
Does a brushless pruning shear need no maintenance?
No. Brushless motors do not have a brush-and-commutator wear interface, but blades, gears, bearings and other components still require appropriate care. Follow the instructions for the selected model.
Does a “30 motor” label describe motor power or performance?
No conclusion about power, torque or measured performance should be drawn from this catalogue reference alone. Request the specification for the exact motor and paired controller.
Can a performance claim be applied to every CPS version?
Only if the supporting evidence covers those configurations. Test results from one motor, controller, battery and blade combination should not automatically be transferred to another version.
Explore the COCHUMS product range and contact COCHUMS with your target application, shortlisted models and technical questions.