KSK-1A55-... 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 16.5 mm and diameter of 2.8 mm Normally open 1 Form A contact Inrush current up to 3 A Excellent for lamp loads High power up to 50 W switching CONTACT DATA KSK-1A55-... For m A Max. Units Contact Rating * Any DC combination of V & A not to exceed their individual max.'s 50 W Switching Voltage D C or peak A C 200 V Switching Current D C or peak A C 0.5 A Carry Current D C or peak A C 3.0 A Static Contact Resistance w/ 0.5V & 10mA 150 mΩ Dynamic Contact Resistance Measured w/ 0.5V & 50mA 1.5 ms after closure 200 mΩ Insulation Resistance across Contacts 100 Volts applied 109 Breakdown Voltage Voltage applied for 60 sec. min. 250 Operate Time, incl. Bounce Measured w/ 100% overdrive Release Time Measured w/ no coil suppression Capacitance @ 10kHz across contact Min. T yp . Ω VD C 1.0 ms 0.1 ms pF 0.2 Test Coil ** KMS-01 Standard AT range 20 70 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 55 - XXXX OPTIONS Part Number Example - KSK - 1A55 - 2025 2025 is the AT range (Any AT can be ordered between 20 & 70 in a minimum range of 5 AT) 20 70 www.meder.com 130 Germany # ++49-(0)7733-94870, USA # 800-870-5385