• Sealed Keyboard Panels Using Snap Dome Switches Capacitive Switch Panels Metal Keyboards Silicon Rubber Keyboard PC Compatible Sealed Keyboard Panels Illuminated Keyboards Membrane Keypads
  • Medical

  • Defence

  • Machine Tools

  • Process Controls

  • Railways

  • Electrical Systems

  • Consumer

  • Textile Controls

  • We at SBL consider ourselves to be a “Solutions” driven company rather than being a sales oriented company. We are more keen to offer a solution to the customer rather than just run after orders. We believe in solving the problems faced by our customers with respect to the keyboard panels they use or require.
  • As a result of this policy, we are the First Choice for Indian as well as MNCs to develop and supply Sealed Keyboard Panels. Companies like GE Healthcare, Larsen & Toubro, Siemens, HUL, Moog Motion Controls, ECIL, Tata Power SED, Medha Servo, etc., have benefitted immensely over the last 10-15 years by developing their keyboard requirements with us.

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Solar Biotronic Laboratories Pvt. Ltd., (SBL), one of India’s leading manufacturer of Sealed Keyboard Switch Panels now offers Capacitive Switches using Charge Detector technology. The SBL Capacitive Switches can be offered as individual switches or as a keyboard as per customer’s requirements. The switches can be fixed on any non conductive material like glass, plastics, polycarbonate, acrylic, wood, ceramics, etc., as the front panel. The switch can be actuated by the touch of a finger. The switch sensitivity can be adjusted to suit the customer’s requirement.

SBL uses the charge detector technology from ATMEL, to develop the Capacitive Switches which can be used in areas having harsh environments and where IP 67 grade front panels are required. SBL is the authorized Global Consultant/Partner for ATMEL for the Asia Pacific region for development of capacitive switches and panels.

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  • More than



  • Comprising of over

    3 million

    Individual Switches.

  • Registered Supplier

    to MNCs for

    more than 10 Years.
  • Pioneered the
    Development of

    Piezo Sensing Switches

    in India
    (Patent Pending)

  • Go Green Initiative!

    We use ROHS certified Components in our Products
  • Go Green Initiative!

    We use Eco-Friendly Packing Materials for many of our Products


Solar Biotronic Laboratories Private Limited (SBL) was incorporated in 1989 (converted to a Private Limited Co. in 1992) to manufacture custom built Sealed Keyboard Panels (Sealed Keypads) and allied products. These Keyboard Panels are used in various type of Electronic applications, especially in harsh environments and areas of critical operations. Solar Biotronic Laboratories is an ISO 9001:2008 certified company.

  • Value Added Customised Solutions

    SBL offers Customised Value Added Solutions that will not only enhance your product Quality, but will also help to reduce cost. Come to us if you want to add value and still reduce your costs as our existing Customers have been benefiting over the past 20 Years!
  • Technologies to suit Your Requirements

    We at SBL offer a different an extensive range of switch technologies to suit your applications. Based on the usage of your products, we offer sealed keyboards using snap dome switches, capacitive switches, piezo sensing technology for metal keyboards, silicon switches, PC compatible keyboards etc.
  • The Seal of Assured Quality and Guarantee from SBL

    SBL has been developing and supplying custom designed Sealed Keyboard Panels for more than 20 years. With a rejection of less than 0.5 % over more than 400,000 keyboards supplied, we stand guarantee to the Quality and Reliability on our products.
Some of Our Esteemed Clients
From a Wide Range of Industries
  • bharat-electronics
  • emrrson-logo
  • head-logo
  • kirloskar-logo
  • pricol-logo
  • tata-logo
    Hindustan Unilever