KSK-1A55 STANDEX | Alldatasheet
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standexelectronics.com Series Datasheet Version 03 05 Mar 2019 Page H. Singh1 KSK-1A55 Series Reed Switches ➢ Features: High Power ➢ Applications: Lamp Switch, Pump Switch ➢ Markets: Appliance, Medical, Fluid Flow & Others Part Description: K S K- 1 A 55 - XXXX Contact Qty Contact Form Switch Model Pull-In Excitation (AT Range)
1 A 55 15 - 70
Customer Options Switch Model Unit Contact Data 55 Rated Power (max.) Any DC combination of V&A not to exceed their individual max.’s 50 W Switching Voltage (max.) DC or peak AC 100 V Switching Current (max.) DC or peak AC 0.5 A Carry Current (max.) DC or peak AC 1.0 A Contact Resistance (max.) @ 0.5V & 50mA 150 mOhm Breakdown Voltage (min.) According to EN60255-5 0.2 kVDC Operating Time (max.) Incl. Bounce; Measured with w/ Nominal Voltage 1.0 ms Release Time (max.) Measured with no Coil Excitation 0.1 ms Test Coil KMS01 Insulation Resistance (typ.) Rh<45%, 100V Test Voltage 1010 Ohm Capacitance (typ.) @ 10kHz across open Switch 0.3 pF
standexelectronics.com Series Datasheet Version 03 05 Mar 2019 Page H. Singh2 KSK-1A55 Series Reed Switches KSK-1A55 Reed Switch Environmental Data Unit Shock Resistance (max.) 1/2 sine wave duration 11ms 50 g Vibration Resistance (max.) 20 g Operating Temperature -40 to 130 °C Storage Temperature -55 to 130 °C Soldering Temperature (max.) 5 sec. max. 260 °C Dimensions (mm) Overall Length Max. 44.1 Glass Length Max. 16.5 Glass Dia. Max. 2.8 Lead Dia. Max. 0.6 Life Test Data *Load increase reduces life expectancy of Reed Switches Load Typical Number of Operations KSK-1A55 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Glossary Contact Form Form A NO = Normally Open Contacts SPST = Single Pole Single Throw Form B NC = Normally Closed Contacts SPST = Single Pole Single Throw Form C Changeover SPDT = Single Pole Double Throw Form E Bistable Contact Latching Type remains unchanged until a magnetic field of opposite polarity is present Handling & Assembly Instructions ➢ Use proper lead clamping or heat sinking techniques to prevent mechanical and/or heat stress during, soldering, and welding ➢ Mechanical shock as the result of dropping the reed sensor typically from a distance of greater than 12” may change it’s magnetic sensitivity and/or destroy the sensor ➢ Any form of modification to the switch leads will alter it’s magnetic sensitivity Please note: All technical specifications on this series datasheet refer to the standard product range. Modifications in the sense of technical progress are reserved. For general information only. For more specific information, please consult the product datasheet, ava ilable upon request. This series datasheet could contain technical inaccuracies or typographical errors. Changes are periodically made to the info rmation herein. These change will be incorporated in future revisions. For deviating values, most current specifications and products please contact your nearest sales office.