B3 Series - Subminiature Microswitches

Product Type: Microswitches

Manufacturer: OTTO

The B3 series of subminiature microswitches from OTTO are single pole single or double throw switches with double break contacts. Designed with a subminiature size of 13mm (w) by 8.9mm (h) and a choice of 5mm depth rated to MIL-PRF-8805/76 or 4mm rated to MIL-PRF-8805/101. Commercial versions are also available and the B3 series comes with a choice of a turret, straight or 90° angled PC pin, solder or pre-wired terminals.

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The B3 series of subminiature microswitches from OTTO are single pole single or double throw switches with double break contacts. Designed with a subminiature size of 13mm (w) by 8.9mm (h) and a choice of 5mm depth rated to MIL-PRF-8805/76 or 4mm rated to MIL-PRF-8805/101. Commercial versions are also available and the B3 series comes with a choice of a turret, straight or 90° angled PC pin, solder or pre-wired terminals.

Electrically rated up to 8A (resistive) at 115VAC/28VDC or for low level of 10mA at 30mV with a mechanical life of 1 million cycles. The B3 series can accept actuation directly from a cam with an operating force of 5oz.

The B3 series is perfect for when rugged and high-performance microswitches with exceptional cycle life are required.

Mechanical Life1,000,000 Cycles
OperationSPST or SPDT
Max Voltage115VAC
Max Current8A (Resistive)
Operating Temperature-65°C to +125°C
Mil-StdMIL-PRF-8805