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  5. Safety Door Switch
  6. Non-contact unlocking switch 'SI-25A'

Non-contact unlocking switch 'SI-25A'

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last updated:Jul 21, 2026

ロックマンジャパン
ロックマンジャパン
  • Official site

Unlock easily by simply bringing your hand close without touching the button! Non-contact unlocking switch. Perfect for indoor buttons of electric lock systems!

The "SI-25A" is a non-contact unlocking switch used for electric lock systems and similar applications. ◯ Product Features ■ It is a non-contact unlocking switch that can unlock simply by bringing your finger close, outputting a voltage-free contact. ■ It is ideal for use as an unlocking switch for electric locks when exiting from the inside, connected to a control panel. ■ The activation status of the unlocking switch can be confirmed with red and green LEDs. ■ The contact output time and detection distance can be adjusted. ■ The plate features a simple design printed for the electric lock unlocking switch. *Note: This product is a weak contact switch for connection to control panels, etc. It will malfunction if directly connected to high-current devices such as electric locks. Please be cautious with the connected devices. *For more details, please refer to the PDF materials or feel free to contact us.

    switchSafety Door Switch
SI-25A.png

Non-contact unlocking switch 'SI-25A'

SI-25A.png
SI-25A.png
  • Related Link - https://www.lockman.co.jp/product/accessory/435/

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basic information

【Specifications】 ■ Non-contact unlocking switch: SI-25A ■ Product model number: SI-25A ■ Rated voltage: DC12V/DC24V ■ Current consumption: Standby: 16mA, Activation: 28mA/DC12V ■ Detection range: Approximately 2cm to approximately 10cm, infrared irradiation type ■ Installation location: Indoor ■ Operating temperature range: 0℃ to 50℃, no condensation or freezing ■ Contact output time: Approximately 0.5 seconds to approximately 20 seconds, variable, toggle (repeating) mode available ■ Contact output: Voltage-free c contact output COM/NC/NO, Activation: COM/NO ■ Contact capacity: 24VDC Max 0.8A Max ■ Dimensions: 115 X 38 X 35.5 mm ■ Weight: 60g * For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

【Purpose】 Switch for unlocking electric locks *For more details, please refer to the PDF document or feel free to contact us.*

catalog(4)

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Non-contact unlocking switch 'SI-68A'

Non-contact unlocking switch 'SI-68A'

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Non-contact unlocking switch 'SI-65A'

Non-contact unlocking switch 'SI-65A'

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Non-contact unlocking switch 'SI-25A'

Non-contact unlocking switch 'SI-25A'

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BOX-type non-contact unlocking switch 'SI-58B'

BOX-type non-contact unlocking switch 'SI-58B'

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Company information

ロックマンジャパン

ロックマンジャパン

IT/Telecommunications

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Our company, Rockman Japan, is committed to providing a "Total Security Proposal" that can meet our customers' needs solely with our own products. Since our founding in 1980, we have continued to develop products based on the know-how, experience, and ideas gained as professionals in "KEY & LOCK." Today, we offer a wide range of products, including cylinders, key machines, padlocks, electromagnetic electric locks, card readers, control panels, and digital door locks. The VOLCALOCK electric lock system can be installed on various doors, including outdoor gates, sliding doors, and hinged doors, regardless of whether they are new or existing projects. We can implement an electric lock system according to the customer's operational methods and budget. Please feel free to inquire about OEM as well.

Product/Service List (56)

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