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 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 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 are 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