Siemens EF 732 Series Manual de usuario descargar pdf (Pagina 57)

Please read Important notes on page 4 and Cautions and warnings on page 5.

Bitte beachten Sie die Seite 4 Wichtige Hinweise sowie die Warn- und Sicherheitshinweise auf Seite 5.

3-Electrode Arresters

3-Elektroden-Ableiter

Types conforming to US specications

T23-C350XS T2B-A350XF1

RAB0278-T

10±0.3

13.42

ø7.2±0.2

(15)

ø1

4.4±0.3

+0.2

0.1

ø8

10.5 max.

4.5+1.5

4.4±0.3

Type

Ordering code

T23-C350XS

B88069X8160B502

T2B-A350XF1

B88069X3741B502

Nom. DC spark-over voltage V

sdcN

350 350 V

DC spark-over voltage 300 … 500 ±20 %

Impulse spark-over voltage

@ 100 V/µs 99%

of measured values

< 650 < 750 V

@ 100 V/µs typical values < 550 – V

@ 1 kV/µs 99% of

measured values

< 800 < 900 V

@ 1 kV/µs typical values < 750 < 800 V

Service life

60 operations 50 Hz, 1 s – 2 A

10 operations 50 Hz, 1 s 10 – A

5 operations 50 Hz, 1 s – 20 A

1 operation 50 Hz, 9 cycles 130 130 A

10 operations 8/20 µs 20 20 kA

1 operation 8/20 µs 25 – kA

100 operations 10/1000 µs – 200 A

400 operations 10/1000 µs 1000 1000 A

1500 operations 10/1000 µs – 20 A

DC hold-over voltage < 150

@ 150 V / 200 mA

< 150

@ 135 V / 1300 Ω

Insulation resistance > 10 > 10 GΩ

Capacitance @ 1 MHz < 1.5 < 1.5 pF

Designed for RUS PE80 Heavy duty

Designed for Telcordia GR974-CORE

Currents through center electrode, half value through each line electrode.

About packing see page 71.

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 75 76

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