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KST-B1 Parallel Actuator Controller For Automatic Window Opening System

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Product Details


  1. KST-B1 Series Actuator Controller are for a series of 24VDC Electric Actuator working TOGETHER.
  2. Built-in OVER CURRENT PROTECTION for each system.
  3. Supported to FIRE DETECTOR CENTRAL CONTROL for SHEV application.
  4. SENSOR PORT for AUTOMATIC mechanism application.
  5. Memorized a period of let-through current in seconds.
  6. The PCB and Ring Transformer are protected by stainless steel case with 1mm thickness.


  • Input Voltage: 22 VAC
  • Output Voltage: 24 VDC; M+, M-
  • Port:
    • Control Signal: COM, Open, Stop, Close
    • SHEV: COM, IN
    • Series Control: 5-pin wire connector
  • Over Current Protection: 4A/ 8A*
  • Memory for period of working current: built-in ( Application: To set up opening angle of windows. Please contact us for adjustment instruction.

SPEC/ Ring Transformer

  • Input Voltage 100~120VAC or 220~230VAC ( Adjust through Terminal Block Connector )
  • Output Voltage: 24 VAC
  • Frequency: 60 Hz ( 50 Hz is optional )
  • Max. Currency: 4A/ 8A*
    • 4A is for about 4 pcs of KST-A01 Linear Actuators.
    • 8A is for about 8 pcs of KST-A01 Linear Actuators.
    • Supporting number of electric actuators are depending on following factors: (1) Type of actuators; (2) Working current when install on applicated mechanism; (3) The moment of a force.

SPEC/ Remoter* (optional)

  • Radio Frequency: RF 433
  • Operating Range: 12 meter in open space
  • LED Indicator: Built-in
  • Battery: LA23A 12V

Outer Case

  • Dimension: L 26, D 14, H 10 cm
  • Material: Stainless steel with powder coating, with WIRING HOLE, SCREWING HOLE.

For Automatic Window Opening Systems

  • SHEV, Smoke Heat Exhaust Ventilation. Built-in supporting PORT for FIRE DETECTOR CENTRAL CONTROL & SMOKE SENSOR.
  • Operating A Row Of Windows: By connecting electric actuator in series. We can operate a row of windows at the same time.
  • Increasing The Usage Rate Of High Windows: Improving the natural ventilation of interior area, and reducing the reliance on Air-con.
  • Place: Factory, Commercial Building, Gym, Community Center, Medical Center, Store, Restaurant, Green House, and Household.
  • Automatic Scenery: (1)Connecting with sensors for automatic window control, rain sensor, temperature sensor, humidity sensor, or timer. (2) Work with Smart home system for automatic sceneries.

Choose Right Specs And Accessories For Your Applications

  1. Option 1 - Maximum current: 4 A / 8 A
  2. Option 2 - Remote RF 433
  3. Option 3 - Wall Switch, there should be additional wall switch if you select KST-B14, KST-18, KST-B14-R, or KST-B18-R Actuator Controller.
    1. KST-WS-J120: diaphragm switch.
    2. KST-WS-A120: White surface, easier wiring.
    3. KST-VZ-213S: Wi-Fi Smart Switch, support for APP "VIZO SMART" control.
  4. Option 4 - Plug Type: Type B/ Type E
  5. Option 5 - 5 pin connecting cable. 1 cable for connecting 2 same KST-B1 Actuator Controllers work together.

! Before Placing Order !

  • There're more details and cases of application on our website. Please check for more information.
  • Please confirm with us about available quantity, lead time, shipping method and application before placing order.
  • We are welcoming any question about our products or linear actuator applications. Customers could consult with us for more compatible SPECs.
  • Our email: . We will get back to you within 24 hours.

!Returns And Complaints !

  • Any complaints referring to either the quantity or the quality of the delivered products must be made in within 8 (eight) days after receiving the products.
  • Returns which is made as a result of Soon Industrial Co., Ltd. error, will be accepted at our discretion. Soon Industrial Co., Ltd. will provide 1 TO 1 COMPLAINT for customers or make a deduction on next order.
  • Returns which is made as a result of customers, including ordered wrong specifications, quantity, style, etc. After noticing and accept by Soon Industrial Co., Ltd., customer shall delivery back the products within 8 (eight) days after receiving the package. The returning should be well re-package with all assemblies, unused, no defects. Soon Industrial Co., Ltd. will make refund after receiving and inspecting the returned products. There will be 30% restock charge on customers.

!Warranty !

  1. The Warranty is limited to the repair or replacement of product parts that Soon Industrial Co., Ltd. acknowledges as defective, through equivalent re-manufactured Products.
  2. The Warranty for KST Series Electric Actuators and Actuator Controllers are 12 (twelve) months from the day of dispatch.
  3. The Warranty does not cover following situations:
    1. Defects caused by fair wear and tear;
    2. Inadequate or abnormal use;
    3. Damage caused by carriers;
    4. Installed our products on defeats windows or electrical system;
    5. Carelessness of workman or customer;
    6. Incorrect use or installation;
    7. The use of non-original spare part, actuators, and controller.
  4. Customer shall doing the product/ system maintenance at least every SIX months.
  5. Implementation terms: If customer find out any defect which is not cause under the situation from Clause 3. & 4. Customers shall exercise their right within 14 days after finding out the defect. And providing evidence of defect by videos, photos, or other methods and showing the copy of the purchase document/ invoice to Soon Industrial Co., Ltd. through email ( or letter (1F., No.239, Sec. 1, Defang Rd., Dali Dist., Taichung City 412, Taiwan ). After accept and confirm by Soon Industrial Co., Ltd., we will send new complaints to customers.
  6. The Warranty is not including for indirect damage, loss of profits, loss of productions, people injury or death resulting from negligence.
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3 - 10 days






  • CONSULT with us before placing order.

  • WARRANTY for 1 year on Electric Actuators, Actuator Controllers, Smart Home Device, and Wall Switches. Warranty

  • LEAD TIME: Standard products about 3 to 10 days. Delivery and Shipping

  • SERVICE AREA: We provide shipping service to most countries of the world. If your country is not in dropdownlist, please contact us. 

  • Payment: We accept payment through PayPal. 

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We specialized in motion system design and application. Based on over 20 years of experience of manufacture linear actuators. We dedicated in developing inline design Linear Actuators and Automatic Window Opening Systems.

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© 2016-2020 Soon Industrial Co., Ltd. All right reserved. / Soon Industrial Co., Ltd. / / +886-4-2487-52651F., No. 239, Sec. 1, Defeng Rd., Dali Dist., Taichung City 412, Taiwan / 

舜元貿易有限公司​412016 台中市大里區德芳路一段239號1樓