Carpentersville, IL - OTTO (www.ottoexcellence.com), an industry leader in the design and manufacturing of control switches, joysticks and grips, announces the TC-3 and TC-4 Keypad Switch Modules.The TC Series is a self-contained, sealed switch module with up to 5 positions that can be used in a grip, front panel or hand held device and is especially useful in cursor control or data entry applications. The advantage of the TC module is that it incorporates keypad functionality within a very small footprint, at slightly over an inch in diameter.Standard or custom legends are available and can be LED backlit. Standard termination options include flying leads, ribbon cable (with or without AMP connector) and FFC (flexible flat cable). Tested to three million cycles, the TC Series has an operating/storage temperature range of -40C to 85C and is sealed to IP68S.TC Keypad Switch Module features include:Sealed to IP68S3 million cycle electrical lifeLED backlight option5 termination choicesStandard and custom legends availableThe TC Series is ideal for construction, agriculture, industrial, material handling, unmanned vehicle and medical applications.Visit us at www.ottoexcellence.com or email info@ottoexcellence.com