Fast Actuators Linear
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Fast Actuators Linear

At a glance. The KT0905-10L is a 5V DC micro linear actuator with a 10mm stroke, 2KG push-pull force, 10KG self-locking force and a 64mm overall length. It is the thrust version of the KT0905 mini electric actuator series, trading speed for force: the rod travels at 2mm/s no-load and 1.4mm/s at full load, which makes the movement slow, quiet (≤50dB) and easy to control. Its most common home is the electronic latch of a smart storage cabinet or parcel locker, where the actuator throws a bolt, stops automatically at the end of its stroke, and holds the compartment locked after the power has been switched off. Standard strokes of 10/15/20/25/30mm and longer custom strokes are available from the manufacturer.
Product model: KT0905-10L
Stroke: 10mm (customizable)
Total length: 64mm
Rated voltage: 5V
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Product Introduction

The device it drives

 

Fast actuators linear such as the KT0905-10L are the components that keep a smart storage cabinet closed: in parcel lockers, self-service cabinets, and the tool or material cabinets used in workshops and laboratories, every compartment door is held shut by a small electronic latch driven by one of these 5V DC micro linear actuators. That latch has three jobs that are harder than they look: it has to release on command, it has to stay locked when the cabinet loses power, and it has to do both without a loud clack in a hotel lobby, an office corridor or a hospital ward.

The mechanism itself is simple. A bolt slides 10mm into a strike plate to lock the door, and a return spring pushes the bolt back out when the latch is released. A solenoid can throw that bolt, but it needs a continuous current to hold position and it slams. The KT0905-10L takes a different route: a screw-driven rod pushes the bolt, stops by itself at the end of the

stroke, and then keeps the compartment closed mechanically once the current is removed.

 

How the actuator is used in this piece of equipment

 

The actuator body is fixed inside the cabinet door profile, and the telescopic rod is linked to the latch bolt. A single control board runs the whole compartment:

The user enters a pickup code, scans a card or completes payment, and the board applies 5V DC to the actuator's two leads.

The motor turns, and the internal screw converts that rotation into a slow, even linear stroke. The rod extends the 10mm needed to clear the strike plate, and the door swings open.

The built-in limit protector stops the drive at the end of the stroke, so the actuator cannot over-travel and the motor cannot be damaged by stalling. No external travel switch and no position programming are required.

Once the compartment is closed again, the board reverses the polarity. The rod retracts to its rest position, and the latch is locked.

When the power is off - after a transaction, overnight, or when the cabinet is unplugged - the screw drive holds the bolt in place up to the rated 10KG self-locking force. The locked state does not depend on electricity, so the most expensive failure mode of a storage cabinet, a door that springs open when the power fails, is designed out.

 

How the Latch Sequence Runs

 

Step Action Actuator state Control signal
1 Compartment idle and locked Rod at rest; latch held by return spring plus 10KG self-locking force No power
2 Unlock command accepted - 5V DC applied, extension polarity
3 Bolt released Rod extends 10mm at 2mm/s no-load (about 5 seconds) or 1.4mm/s at full load (about 7 seconds) 5V DC held during travel
4 End of stroke Limit protector stops the drive automatically; no over-travel, no stall current Drive cut by the actuator
5 Compartment open Rod holds the extended position mechanically Power may be removed
6 Door closed, re-lock Rod retracts to rest; limit protector stops it again 5V DC applied, retraction polarity
7 Back to locked state Latch held by self-locking force with no current No power

 

Product Parameters (KT0905-10L, Thrust Version)

 

Parameter Specification
Product Name Mini Electric Actuator (Micro Linear Actuator)
Product Model KT0905-10L
Series KT0905 mini electric actuator series
Version Thrust version (low speed, high force)
Stroke 10mm
Available Strokes 10 / 15 / 20 / 25 / 30mm; longer strokes customizable
Total Length 64mm
Push-Pull Force 2KG
No-Load Push-Pull Speed 2mm/s
Full-Load Push-Pull Speed 1.4mm/s
Rated Voltage 5V DC
Protection Current 0.2A
Self-Locking Force 10KG
Noise ≤50dB
Protection Level IP56
Body and Rod Material 304 stainless steel + copper alloy
Drive Type DC motor with internal screw (rotary-to-linear) drive
End-of-Stroke Protection Built-in limit protector with automatic stop
Duty Cycle 10% (continuous repeated operation is not recommended)
Wiring Silicone electronic wire, positive and negative leads; direction set by polarity reversal
Internal Structure Telescopic tube, outer tube and limit protector

 

How to Read KT0905-10L and Choose the Right Variant

 

The model number carries three pieces of information: the series (KT0905), the stroke in millimetres (10), and the version letter (H for the fast version, L for the thrust version).

 

Model Stroke Version Push-pull force No-load speed Full-load speed
KT0905-10L (this page) 10mm Thrust 2KG 2mm/s 1.4mm/s
KT0905-10H 10mm Fast 0.3KG 9mm/s 6mm/s
KT0905-15L / 25L / 30L 15 / 25 / 30mm Thrust 2KG 2mm/s 1.4mm/s
KT0905-15H 15mm Fast 0.3KG 9mm/s 6mm/s

 

Manufacturing, Testing and Quality Backing

 

The KT0905 series is produced by the electric actuator division that KABASI established in 2021, alongside the company's industrial electrical business that has been running since 2015. Production uses Swiss-type lathes, electric press machines and dedicated micro-motor test equipment, and finished actuators are checked before packing on a range of instruments - DC low-resistance testers, wire bending test machines, quadratic element measuring instruments, insertion and extraction force testers, insulation resistance testers and salt spray testing machines. The instruments themselves are shown on our testing equipment page, and the production base is described under about us.

The company operates an ISO9001:2015 quality management system, holds CE, RoHS, CCC and TUV certification for its products and more than 30 national patents, and exports to 60 countries and regions. The scanned certificates - product and business management certifications, utility model patents and industry qualification recognitions - are published on the certification page, and warranty and after-sales terms are set out under why choose KABASI. For projects that need a different stroke, force, speed or fixing arrangement, send the mechanism drawing and we will confirm what can be built.

 

Frequently Asked Questions

 

Q: Can the KT0905-10L keep a compartment locked after the power is cut?

A: Yes. The screw drive is self-locking, with a rated self-locking force of 10KG. The locked state is mechanical, not electrical, so a power failure or a flat backup battery does not open the door.

Q: How long does the latch take to open and close?

A: At the rated speeds, a 10mm stroke takes about 5 seconds at no load and about 7 seconds at full load, so a complete open-and-close cycle takes roughly 10 to 14 seconds. These are calculated reference values; the real figure depends on the load on the bolt.

Q: Can it run continuously?

A: No. The duty cycle is 10% and the manual advises against long periods of repeated operation. With a 5-second stroke, allow about 50 seconds between starts; under full load, about 71 seconds.

 

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