MK25 Series MEDER electronic Push-button based on reed switch DESCRIPTION The MK25 is a push-button based on reed technology, which is used in different applications. With his contactless switching and the EX approval it's the safest way for switching in explosive environments. The simply mounting does take place with a standard drilling (see drilling template) in a steel plate up to 4mm. The button plates are available in the colors black, red, blue, yellow and green. There are sufficient combination possibilities for your application. FEATURES * * * * * * * APPLICATIONS * * * * Industrial appliance Machinery mode switch Tank systems Applications with a difficult environments Contact 1 form A Contactless switching Switching zone is hermetically sealed EX approval confirm to EU directives 94/9/EC Operating temperature of -40 to +60C Simple mounting Button plates in different colors available (The protection caps with different colors must be ordered separately.) DIMENSIONS All dimensions in mm, unspecified tolerances +/- 0.1 mm Drilling Template 10.70 29.70 3.2 Sheet 1.0-4.0 mm 37.00 24.1 +0.4 -0.0 Marking Date code acc. to EN 60062 YM/P FA xxxxxxx 71 50 5 22.3 +0.4 -0.0 100...5000 40.00 www.meder.com 290 MEDER electronic MK25 Series Push-button based on reed switch ORDER INFORMATION Series Contact Form Switch Model Cable Length (mm) Termination MK25 - xx xx xxx x 5000* W Options 1 Form A 1 Form C MK25 - 1A46 - 5000 W 1A is the contact form 46 is the switch model 500 is the cable length (mm) W is the termination 46 75 Part Number Example 90 * Other cable lengths from 100 to 5000 mm available. TERMINATION For wire and termination details please contact factory. W The cable cut length includes: 5mm of wire stripped and tinned. www.meder.com 291 MK25 Series MEDER electronic Push-button based on reed switch CONTACT DATA All Data at 20 C Contact Ratings Switch Model Contact Form Switch 1A 46 Conditions Switch 1A 75 Switch 1C 90 Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Switching Power Any DC combination of V & A not to exceed their individual max.`s 10 10 20 W Switching Voltage DC or peak AC 100 1000 175 V Switching Current DC or peak AC 0.5 0.5 0.5 A Carry Current DC or peak AC 1.5 1.0 1.0 A Static Contact Resistance (initial) Measured with 40% overdrive 150 200 150 m Insulation Resistance RH 45% 250 Breakdown Voltage 109 1010 225 1500 200 109 200 VDC Operate Time incl. Bounce Measured w/ 40 % overdrive 0.7 0.5 0.7 ms Release Time Measured w/ no coil suppression 0.1 0.1 1.5 ms Capacitance Across contact to coil 0.2 0.4 pF Environmental Data Shock Resistance 1/2 sinus wave duration 11 ms 50 50 50 g Vibration Resistance From 10 - 2000 Hz 35 20 20 g Ambient Temperature 10C/ minute max. allowable -30 60 -20 150 -20 85 o C Storage Temperature 10C/ minute max. allowable -40 60 -40 85 -35 85 o C Material Case PA 6, black www.meder.com 292