2SE
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:s* Sensata Technologies | 2SE SERIES Solid-State Vane Switch Introduction The Klixon® 2SE solid-state vane switch has advanced, state-of-the-art airflow sensing. Successor to electromechanical vane types, the 2SE is designed to sense and protect against the loss of airflow in power supplies, data processing units, or any other commercial or military electronic equipment where it is necessary to recognize the loss or reduction of airflow. Features • Solid-state • High reliability • Commercial or military grades • Variety of switching modes SPEC OVERVIEW Supply Voltage Copyright © 2018 Sensata Technologies, Inc.

Note: The gray region is the deadband, in which sensor could be in either the fault or the no-fault condition. Number on curve is for building part number of device. (Scroll down for information on building a part numbers, see at left for definitions.) WIRING DIAGRAM OF A STANDARD 2SE DEVICE LOAD- SOLID SENSING — STATE SECTION SWITCH Copyright © 2018 Sensata Technologies, Inc.

CONFIGURATION Below is the typical 2SE configuration, but others are available. Drawing is for reference only. POSITIVE TEMPERATURE COEFFICIENT (PTC) SENSOR A Positive Temperature Coefficient (PTC) sensor provides the airflow sensing function. PTC sensors remain at a low, relatively constant level of resistance over a wide temperature range then abruptly increase resistance logarithmically at an elevated temperature known as an anomaly temperature. As the transition is approached, a slight temperature rise causes a dramatic increase in resistance. Power supplied to the PTC sensor will cause...

Basic Device 2SE1 = Commerical Grade 2SE51 = Military Grade Output Mode (SPST) A = Normally Open, Auto. Reset B = Normally Open, Manual Reset C = Normally Closed, Auto. Reset D = Normally Closed, Manual Reset Sensata Technologies, Inc. (“Sensata”) data sheets are solely intended to assist designers (“Buyers”) who are developing systems that incorporate Sensata products (also referred to herein as “components”). Buyer understands and agrees that Buyer remains responsible for using its independent analysis, evaluation and judgment in designing Buyer’s systems and products. Sensata data sheets...