MEDER electronic KSK-1A52-... CHARACTERISTICS DIMENSIONS All dimensions in mm [inches] • Glass length of 21 mm and diameter of 2.75 mm • Normally open 1 Form A contact • High breakdown voltage of 600 VDC CONTACT DATA Switch Model → Contact Form → All Data at 20 oC Contact Ratings Conditions KSK-1A52-... Form A Max. Units Switching Power* Any DC combination of V and A not to exceed their individual max.’s Min. Typ. 50 70 W VA Switching Voltage DC or peak AC 250 V Switching Current DC or peak AC 0.5 A Carry Current DC or peak AC 2.5 A Static Contact Resistance at 0.5 V & 10 mA 150 mΩ Dynamic Contact Resistance measured w/ 0.5 V & 50 mA, 1.5 ms after closure 200 mΩ Insulation Resistance cross Contacts 100 Volts applied 1010 Breakdown Voltage > 60 sec. 600 Release Time incl. Bounce 100 % overdrive Release Time measured with/ no coil suppression Capacitance at 10 kHz across contact Ω VDC 1.0 ms 0.1 ms 0.2 Test Coil ** pF KMS-01 Standard AT range 20 65 AT g Environmental Data Shock Resistance 1/2 sine wave for 11 ms 50 Vibration Resistance 10 - 2000 Hz 20 g Ambient Temperature max. 10 C / minute allowance -20 130 o Stock Temperature max. 10 oC / minute allowance -55 130 o C Soldering Temperature 5 sec. dwell 260 o C o C Note: The indicated electric data are maximum values can vary downwards when using a more sensitive switch. * For life expectancy see our test section on Page 112. ** See our test section on Page 116. ORDER INFORMATION Series Contact Form Switch Model At Range (between) KSK - 1A 52 - xxxx Options 20 -65 Part Number Example - KSK - 1A52 - 2025 2025 is the AT range (Any AT can be ordered between 20 & 65 in a minimum range of 5 AT) www.meder.com 97