OTTO Controls basic switch B1 series ultra small subminiature

The B1 series basic switches are ultra-subminiature in size, designed to reliably switch logic level signals as well as up to 2 amps switching capacity for a minimum of 25,000 cycles. Mechanical life expectancy is in excess of one million cycles.

The molded housing is rugged and structurally stable. The terminals are molded-in and sealed against solder flux entering the switch. The terminals are available in a choice of double turret solder style and 0.020” x 0.025” PC pins.

The B1 series is also available with integral lever actuators as B1-5 series.


  • Ultra-compact: only 0.300” w x 0.255” h x 0.100” thick
  • 1 million cycle life, B1-5 Series
  • Logic level switching capability
  • Designed in accordance with MIL-PRF-8805/94
  • Available in Commercial & Military grades
  • Choice of solder or PC molded-in terminals
  • Precision operating points
  • RoHS compliant

Documents & downloads

Data sheet B1Standard Switch GuideBasic Switches Overview
Daniel Jennen
Daniel Jennen
Sales Director, Vice President +49 2152 8955-210