t23a420xf4x7140b502| Datasheet

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Surge Arrester 3-Electrode-Arrester

T23-A420XF4 Ordering code: B88069X7140B502

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

350 ... 550

< 750 < 700 < 850 < 800 20 25 10 50 > 10 < 1.5 < 0.2 ~ 35 ~1 ~ 200 ~ 2.5 -40 ... +90 40/ 90/ 21 420 YY M O
420 YY M - Nominal voltage - Year of production - Month of production (1 ... 9 = Jan ... Sep; O ... D = Oct ... Dec) - Non radioactive

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 Storage temperature Climatic category (IEC 60068-1) Marking, blue

O
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 05, 08.05.2002