ensuring precise switching and circuit protection

probe-style protection solution

vibration-resistant mounting within electrical cabinets

The integrated safety switch helps protect HVAC equipment from overflow conditions

this switch is built to withstand washdown conditions

Siemens Building Technology QAA22SS.EWSN Sensor 340155-7024 ensuring precise switching and circuitThe Siemens QAA22SS. EWSN is a professional grade multi signal room temperature sensor designed for seamless integration with high performance building automation systems. Built as the direct updated replacement for the QAA22SS. EWNN, this field selectable unit offers contractors maximum versatility by allowing a choice between 0 10Vdc, 0 5Vdc, or 4 20mA analog output signals via an internal jumper. This eliminates the need to stock multiple SKUs for