T80-A90XF datasheet(2/4 Pages) EPCOS

2 / 4 page

Surge arrester

B88069X6281B502

3-electrode arrester

T80-A90XF

KB AB E / KB AB PM

Issue 01 / 2006-09-20

Please read Cautions and warnings and

Page 2 of 4

Important notes at the end of this document.

Features

Applications

Standard size

Fast response time

High current rating

Stable performance over life

Very low capacitance

High insulation resistance

Reliable failsafe device

RoHS-compatible

Branch exchange (MDF)

Line protection

Station protection

Electrical specifications

DC spark-over voltage

1) 2) 4)

± 20

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

< 400

< 300

< 550

< 450

Service life

10 operations

50 Hz, 1 s

1 operations

50 Hz, 0.18 s (9 cycles)

10 operations

8/20 µs

1 operation

8/20 µs

1 operation

10/350 µs

Insulation resistance at 50 Vdc

> 10

Capacitance at 1 MHz

< 1.5

Transverse delay time

< 0.2

µs

Arc voltage at 1 A

Glow to arc transition current

Glow voltage

~ 35

< 1

~ 200

Weight

~ 2.2

Storage temperature

-40 ... +90

°C

Climatic category (IEC 60068-1)

40/ 90/ 21

Marking, red negative

90 YY O

- Nominal voltage

- Year of production

- Non radioactive

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