A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components www.standexmeder.com Series Datasheet MK20/1 Reed Sensors MK20/1 Series Reed Sensors Features: Cylindrical Reed Sensor, Choice of Cable Termination & Lengths available, Various Case Sizes Applications: Door & Window Contacts, With Magnetic Floats for Water Level Detection, Position Sensing Markets: Appliance, Industrial, Security & Others Part Description: MK 20 / 1 - 0 X00 X -000 X Magnetic Cable Length Contact QTY Contact Form Switch Model Termination (mm) Sensitivity W 1 A 80 B, C, D, E 100, 200, 300, 500 Customer Options Switch Model Unit Contact Data 80 Rated Power (max.) 10 W Any DC combination of V&A not to exceed their individual max.s Switching Voltage (max.) 170 V DC or peak AC Switching Current (max.) 0.5 A DC or peak AC Carry Current (max.) 0.5 A DC or peak AC Contact Resistance (max.) 200 mOhm 0.5V & 50mA Breakdown Voltage (min.) 0.21 kVDC According to EN60255-5 Operating Time (max.) 0.6 ms Incl. Bounce Measured with w/ Nominal Voltage Release Time (max.) 0.05 ms Measured with no Coil Excitation Insulation Resistance (typ.) 9 10 Ohm Rh<45%, 100V Test Voltage Capacitance (typ.) 0.4 pF 10kHz across open Switch USA: +1.866.782.6339 salesusa standexmeder.com Version 01 Europe: +49.7731.8399.0 info standexmeder.com 27.01.2015 Asia: +86.21.37820625 salesasia standexmeder.com Modifications in the sense of technical progress are reserved. A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components www.standexmeder.com Series Datasheet MK20/1 Reed Sensors Housing and Cable Specifications MK20/1 Reed Sensor Housing Material PBT 30% GF Case Color Black Sealing Compound Polyurethan Cable Typ Single Wires Cable Material PVC Cross Section (mm) 2 x 0.06 Environmental Data Unit Shock Resistance (max.) 50 g 1/2 sine wave duration 11ms Vibration Resistance (max.) 20 g Operating Temperature -30 to 70 C Cable not moved Operating Temperature Handling & Assembly Instructions -5 to 70 C Cable moved Storage Temperature -30 to 70 C Max torque on housing is 1Nm Cable bending-radius is diameter x 15 Glossary Contact Form Min. bending distance to housing is 5mm NO = Normally Open Contacts Drag mark out of the mounting area forbidden Form A SPST = Single Pole Single Throw Decrease switching distance by mounting on iron NC = Normally Closed Contacts Form B Do not use magnetically inductive screws SPST = Single Pole Single Throw Series resistor recommended for > 5m cable length Changeover Form C SPDT = Single Pole Double Throw Life Test Data Glossary Magnetic Sensitivity *Load increase reduces life expectancy of Reed Switches Sens. A B C D E F G AT 05-10 10-15 15-20 20-25 25-30 30-35 35-40 USA: +1.866.782.6339 salesusa standexmeder.com Version 01 Europe: +49.7731.8399.0 info standexmeder.com 27.01.2015 Asia: +86.21.37820625 salesasia standexmeder.com Modifications in the sense of technical progress are reserved.