B88069X5120B252 TDK

Surge arrester 3-electrode arrester Series/Type: T21-A350X Ordering code: B88069X5120B252 Version/Date: Issue 07 / 2007-04-23 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: B88069X5120B252 (top right header bar) Series/Type: T21-A350X (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 07 / 2007-04-23 EPCOS AG is a TDK Group Company. Surge arrester B88069X5120B252 3-electrode arrester T21-A350X Features Applications Standard size Line protection Fast response time Station protection Very high current rating Base stations Stable performance over life Very low capacitance High insulation resistance RoHS-compatible Electrical specifications 1) 2) 4) DC spark-over voltage 350 V % 20 4) Impulse spark-over voltage at 100 V/s - for 99 % of measured values < 650 V - typical values of distribution < 550 V at 1 kV/s - for 99 % of measured values < 700 V - typical values of distribution < 600 V Service life 5) 10 operations 50 Hz; 1 s 10 A 5) 1 operation 50 Hz; 9 cycles 50 A 5) 10 operations 8/20 s 20 kA 5) 1 operation 8/20 s 25 kA 5) 1 operation 10/350 s 5 kA 4) Insulation resistance at 100 V > 10 dc G 4) Capacitance at 1 MHz < 1.5 pF 3) Transverse delay time < 0.2 s Arc voltage at 1 A ~ 35 V Glow to arc transition current ~ 1 A Glow voltage ~ 200 V Weight ~ 2.2 g Operation and storage temperature -40 ... +90 C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative 350 YY O 350 - Nominal voltage YY - Year of production O - Non radioactive KB AB E / KB AB PM Issue 07 / 2007-04-23 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document.