KSK-1A88-... MEDER electronic DIMENSIONS CHARACTERISTICS All dimensions in mm [inches] Switch Model --> Contact For m --> All data at 20 0C Contact Ratings Conditions Glass length of 14.2 mm and diameter of 2.5 mm Long life expectancy Position dependent Mercury wetted Form A switch No contact bounce 1000 VDC switching voltage 1500 VDC breakdown voltage CONTACT DATA KSK-1A88-... For m A / Hg Min. T yp . Max. Units 50 W 1 kV A Contact Rating * Any DC combination of V & A not to exceed their individual max.'s Switching Voltage D C or peak A C Switching Current D C or peak A C 1.0 Carry Current D C or peak A C 2.0 A Static Contact Resistance w/ 0.5V & 10mA 60 mΩ Dynamic Contact Resistance Measured w/ 0.5V & 50mA 1.5 ms after closure 200 mΩ Insulation Resistance across Contacts 100 Volts applied 1 0 10 Breakdown Voltage Voltage applied for 60 sec. min. 1.5 Operate Time, incl. Bounce Measured w/ 100% overdrive Release Time Measured w/ no coil suppression Capacitance @ 10kHz across contact Ω kV D C 2.5 ms 2.0 ms pF 0.4 Test Coil ** KMS-01 Standard AT range 30 75 AT g Environmental Data Shock Resistance 1/2 sine wave duration 11ms 50 Vibration Resistance From 10 - 2000 Hz 20 Ambient Temperature 10 C/ minute max. allowable -20 Storage Temperature 10 C/ minute max. allowable -55 Soldering Temperature 5 sec. dwell 0 0 g 130 0 C 130 0 C 260 0 C Please note: The indicated electrical data are maximum values and can vary downwards when using a more sensitive switch. * For life expectancy see our life test section located on page 151. ** See our test coil section located on page 157. ORDER INFORMATION SERIES CONTACT FORM SWITCH MODEL AT RANGE (between) KSK - 1A 88 - XXXX OPTIONS Part Number Example - KSK - 1A88 - 4045 4045 is the AT range (Any AT can be ordered between 30 & 75 in a minimum range of 5 AT) 30 75 www.meder.com 144 Germany # ++49-(0)7733-94870, USA # 800-870-5385