Surge arrester 3-electrode arrester Series/Type: EZ3-A90X Ordering code: B88069X4991B502 Version/Date: Issue 03 / 2007-09-06 Version: 01 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers Please fill in the table and then change the color towhit (or invisible). This ensures that the table disappears for the customer PDF. To update the data sheet, click on the symbolPrevie and thenClos. Please do not alter the header or footer when copying the content. Identification/Classification 1: Surge arrester (header 1 + top left header bar) Identification/Classification 2: 3-electrode arrester (header 2 + bottom left header bar) Ordering code: B88069X4991B502 (top right header bar) Series/Type: EZ3-A90X (top right header bar) Preliminary data (optional): (if necessar EPCOS AG y) 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. Department: KB AB E / KB AB PM Date: Issue 03 / 2007-09-06 EPCOS AG is a TDK Group Company. Surge arrester B88069X4991B502 3-electrode arrester EZ3-A90X Features Applications Extremely small size Branch exchange (MDF) Fast response time Line protection High current rating Station protection Stable performance over life Very low capacitance High insulation resistance RoHS-compatible Electrical specifications 1) 2) 4) DC spark-over voltage 90 V % 20 4) Impulse spark-over voltage at 100 V/s - for 99 % of measured values < 450 V - typical values of distribution < 350 V at 1 kV/s - for 99 % of measured values < 600 V - typical values of distribution < 500 V Service life 5) 10 operations 50 Hz, 1 s 5 A 5) 1 operation 50 Hz, 0.18 s 5 A 5) 10 operations 5x (+) & 5x () 8/20 s 5 kA 5) 1 operation 10/350 s 1 kA 5) 300 operations (alternating polarity) 10/1000 s 200 A 4) Insulation resistance at 50 V > 1 G dc 4) Capacitance at 1 MHz < 1.5 pF 3) DC holdover voltage < 150 ms at 135 V / 1300 dc 3) Transverse delay time < 0.2 s Arc voltage at 1 A ~ 10 V Glow to arc transition current ~ 1 A Glow voltage ~ 80 V Weight ~ 1.0 g Operation and storage temperature -40 ... +90 C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative EZ 90 YY O EZ - Series 90 - Nominal voltage YY - Year of production O - Non radioactive KB AB E / KB AB PM Issue 03 / 2007-09-06 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document.