Siemens EF 732 Series Manual de usuario descargar pdf (Pagina 45)

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.

Types with follow current limiting

5 kA / 5 A

ø 8 × 6 mm

EF…

RAB0274-N

ød

ø8±0.2

62±2

6±0.2

Type

Ordering code

EF270X

B88069X4131S102

EF470X

B88069X5080S102

EF800X

B88069X2641S102

EF1500X

B88069X4301S102

EF2500X

B88069X5690T502

Nom. DC spark-over voltage V

sdcN

270 470 800 1500 2500 V

Tolerance of V

sdcN

–15/+25 –15/+25 –15/+25 ±20 ±20 %

Impulse spark-over voltage

@ 100 V/µs 99% of

measured values

< 500 < 700 < 1200 < 1800 < 3700 V

@ 100 V/µs typical values < 450 < 600 < 1000 < 1700 < 3300 V

@ 1 kV/µs 99% of

measured values

< 550 < 800 < 1300 < 2000 < 4500 V

@ 1 kV/µs typical values < 500 < 700 < 1100 < 1800 < 3700 V

Service life

10 operations 50 Hz, 1 s 5 5 5 5 5 A

1 operation 50 Hz, 9 cycles 65 65 65 35 35 A

10 operations 8/20 µs 5 5 5 5 5 kA

1 operation 8/20 µs 10 10 10 10 10 kA

Max. follow current during one

voltage half cycle @ 50 Hz

200 200 200 200 – A

Insulation resistance > 10 > 10 > 10 > 10 > 10 GΩ

Capacitance @ 1 MHz < 1.5 < 1.5 < 1.5 < 1.5 < 1.5 pF

Lead diameter d

1.0 1.0 1.0 1.0 0.8 mm

About packing see page 71.

2-Electrode Arresters

2-Elektroden-Ableiter

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 75 76

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Siemens EF 732 Series Manual de usuario Pagina 45

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