MK25 STANDEX | Alldatasheet
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standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner1 MK25 Series Reed Sensors ➢ Features: Ex-approved, Choice of Cable Termination & Lengths, Button Plates in Different Colors available ➢ Applications: Petrochemical and Mining Industry, Filling Stations, Hazardous Areas ➢ Markets: Industrial, Security & Others Customer Options Switch Model Unit Contact Data 46 90 Rated Power (max.) Any DC combination of V&A not to exceed their individual max.’s 10 10 W Switching Voltage (max.) DC or peak AC 200 175 V Switching Current (max.) DC or peak AC 0.5 0.5 A Carry Current (max.) DC or peak AC 1.0 1.0 A Contact Resistance (max.) @ 0.5V & 50mA 150 150 mOhm Breakdown Voltage (min.) According to EN60255-5 0.2 0.2 kVDC Operating Time (max.) Incl. Bounce; Measured with w/ Nominal Voltage 0.5 0.7 ms Release Time (max.) Measured with no Coil Excitation 0.05 1.5 ms Insulation Resistance (typ.) Rh<45%, 100V Test Voltage 109 109 Ohm Capacitance (typ.) @ 10kHz across open Switch 0.3 1.5 pF Part Description: MK 25 - 0 X 00 - 000 X Contact Qty Contact Form Switch Model Cable Length (mm) Termination
1 A, B, C 46, 90 200, 300, 500, 1000,
1500, 2000, 3000, 5000 W = Stripped & Tinned
standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner2 MK25 Series Reed Sensors MK25 Reed SensorHousing and Lead Specifications Housing Material PA 6, Typ Miramid VE Case Color Black Sealing Compound Polyurethane/Elastosil Cable Type Round Cable Cable Material Oil resistance Cable H0SRN-F Cross Section (mm2) 2 x 0.75 Button Accessories **Sold Separate Button plates, emergency stop buttons, etc. can be provided with laser inscriptions as required. The information is burnt into the surface and thus, unlike with print-inscribed elements, is very durable. Environmental Data Unit Shock Resistance (max.) 1/2 sine wave duration 11ms 50 g Vibration Resistance (max.) 20 g Operating Temperature Cable not moved -40 to 60 °C Operating Temperature Cable moved -5 to 70 °C Storage Temperature -40 to 60 °C Layout Top View 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 Glossary Magnetic Sensitivity Sens. A B C D E F G AT 05-10 10-15 15-20 20-25 25-30 30-35 35-40 Handling & Assembly Instructions ➢ Max torque of screw is 1Nm ➢ Cable bending-radius is diameter x 15 ➢ Min. bending distance to housing is 5mm ➢ Drag mark out of the mounting area forbidden ➢ Decrease switching distance by mounting on iron ➢ Do not use magnetically inductive screws ➢ Series resistor recommended for > 5m cable length
standexelectronics.com Series Datasheet Version 02 28 Feb 2019 Page M. Reizner3 MK25 Series Reed Sensors 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, available upon request. This series datasheet could contain technical inaccuracies or typographical errors. Changes are periodically made to the information herein. These change will be incorporated in future revisions. For deviating values, most current specifications and products please contact your nearest sales office. Life Test Data *Load increase reduces life expectancy of Reed Switches Typical Number of Operations KSK-1A46 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Life Test Data *Load increase reduces life expectancy of Reed Switches KSK-1C90U / KSK-1C90F 100V/10mA 20V/500mA 10V/100mA 10V/4mA <5V/10mA Load (DC) Typical Number of Operations