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ZM68 3R470 surge arrester SMD
ZM68 3R470 surge arrester SMD

1.Impulse spark-over voltage: <1100

 

ZM68 3R series, voltages range  from 75V to 500V.

Norminal D.C Spark-over voltage includes      75V,90V,150V,230V,350V,420V,470V,500V, 

ZM68 3R470 Specifications:

Type(without lead wire)

ZM68 3R470

 

Type(with lead wire)

ZM68 3R470L

Type(with failsafe)

ZM68 3R470LF

Nominal DC spark-over voltage 100V/s

470

V

Tolerance of VS %

±20

V

Impulse spark-over voltage 1KV/us

≤1100

V

Impulse discharge current 8/20 µs 10 times

(5-10)x2

KA

Impulse discharge current 10/1000µs

100x/300

A/times

Alternating discharge current 50Hz 10 times

10x2

A

Insulation resistance

≥109

Ω

Capacitance

≤1.5

PF

Holdover voltage

135

VDC

<

ZM68 3R470 surge arrester SMD

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