Surge Arrester 2-Electrode-Arrester DC spark-over voltage B4-A350X Ordering code: B88069X3980C102 1) 2) 350 ± 20 V % Impulse spark-over voltage at 100 V/µs - for 99 % of measured values - typical values of distribution < 800 < 700 V V Nominal impulse discharge current (wave 8/20 µs) Single impulse discharge current (wave 8/20 µs) 2.5 3 kA kA Nominal alternating discharge current (50 Hz, 1 s) Alternating discharge current (50 Hz, 9 cycles) 2.5 10 A A Insulation resistance at 100 Vdc > 10 GΩ Capacitance at 1 MHz < 1.5 pF Arc voltage at 1 A Glow to arc transition current Glow voltage ~ 15 ~ 0.5 ~ 60 V A V Weight ~ 1.5 g Operation and storage temperature -40 ... +90 °C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, on electrodes 350 YY 350 YY 1) 2) - Nominal voltage - Year of production At delivery AQL 0.65 level II, DIN ISO 2859 In ionized mode AB E / AB PM Issue 01, 28.04.2003 Page 1 of 2 Surge Arrester 2-Electrode-Arrester B4-A350X Ordering code: B88069X3980C102 Not to scale Dimensions in mm Non controlled document EPCOS AG 2002. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. AB E / AB PM Issue 01, 28.04.2003 Page 2 of 2