Surge arrester

B88069X8250B502

3-electrode arrester

T83-A260XF4

KB AB E / KB AB PM

Issue 03 / 2008-04-02

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)

260

± 20

V

%

Impulse spark-over voltage

4)

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

< 500

< 450

< 700

< 650

V

V

V

V

Service life

10 operations

50 Hz, 1 s

5)

10

A

1 operation

50 Hz, 0.18 s (9 cycles)

5)

40

A

8/20 µs

5)

10

kA

1 operation

8/20 µs

5)

15

kA

1 operation

10/350 µs

5)

2

kA

4)

> 10

G

Ω

Capacitance at 1 MHz

4)

< 1.5

pF

Transverse delay time

3)

< 0.2

µs

Arc voltage at 1 A

Glow to arc transition current

Glow voltage

~ 35

< 1

~ 200

V

A

V

Weight

~ 2.2

g

Storage temperature

-40 ... +90

°C

Climatic category (IEC 60068-1)

40/ 90/ 21

Marking, red negative

260 YY O

260

- Nominal voltage

YY

- Year of production

O

- Non radioactive