t27a230xx7790b502| Datasheet

Datasheet preview, take a look at Datasheets before downloading (Data Sheet is available on manufacturer site)

Surge Arrester 3-Electrode-Arrester

T27-A230X Ordering code: B88069X7790B502

DC spark-over voltage 1) 2) 4) Impulse spark-over voltage 4) at 100 V/us - for 99 % of measured values - typical values of distribution at 1 kV/us - for 99 % of measured values - typical values of distribution

230 20 < 400 < 350 < 500 < 450 20 25 10 50 > 10 < 1.5 < 0.2 ~ 35 ~1 ~ 200 ~2 -40 ... +90 40/ 90/ 21 230 YY O
230 YY O - Nominal voltage - Year of production - Non radioactive

V % V V V V kA kA A A G pF us V A V g C

Nominal impulse discharge current (wave 8/20 us) 5) Single impulse discharge current (wave 8/20 us) 5) Nominal alternating discharge current (50 Hz, 1 s) 5) Alternating discharge current (50 Hz, 9 cycles) 5) Insulation resistance at 100 Vdc 4) Capacitance at 1 MHz
4)

Transverse delay time 3) Arc voltage at 1 A Glow to arc transition current Glow voltage Weight Operation and storage temperature Climatic category (IEC 60068-1) Marking, blue

1) 2)

At delivery AQL 0.65 level II, DIN ISO 2859 In ionized mode 3) Test according to ITU-T Rec. K.12 4) Tip or ring electrode to center electrode 5) Total current through center electrode, half value through tip respectively ring electrode. Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845

AB E / AB PM Page 1 of 2

Issue 03, 08.05.2002