Maker : EPCOS
Part No. : A61-A350XF

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Surge Arrester 2-Electrode-Arrester Preliminary data A61-A350XF Ordering code: T. B. D. DC spark-over voltage 1) 2) Impulse spark-over voltage at 100 V/µs - for 99 % of measured values - typical values of distribution at 1 kV/µs - for 99 % of measured values - typical values of distribution 350 ± 20 < 750 < 680 < 900 < 750 10 20 10 > 40 100 > 10 < 1.5 < 20 < 0.5 ~ 60 ~ 1.5 -40 ... +90 40/ 90/ 21 350 YY O 350 YY O - Nominal voltage - Year of production - Non radioactive V % V V V V kA kA A A A GΩ pF V A V g °C Nominal impulse discharge current (wave 8/20 µs) Single impulse discharge current (wave 8/20 µs) 3) Nominal alternating discharge current (50 Hz, 1 s) Alternating discharge current (50 Hz, 9 cycles) Service life 1000 operations Insulation resistance at 100 Vdc Capacitance at 1 MHz Arc voltage at 1 A Glow to arc transition current Glow voltage Weight Storage temperature Climatic category (IEC 60068-1) Marking, red 10/1000 µs 1) 2) At delivery AQL 0.65 level II, DIN ISO 2859 In ionized mode 3) 8 After load: Insulation resistance >10 Ω, Impulse spark-over voltage < 1000 V Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845 AB E / AB PM Page 1 of 2 Issue 03, 04.04.2002 Surge Arrester 2-Electrode-Arrester Preliminary data A61-A350XF Ordering code: T. B. D. 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 Page 2 of 2 Issue 03, 04.04.2002 ...

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