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Series Surge Protection Device

SPD DSPD-20 275V

DSPD-20 275
The DSPD are suitable for second level of protection in supply distribution panels in which Type 1 protectors are installed, or the first level of protection in residential, commercial or other applications not exposed to direct strikes or with no external lightning protection system.
They are installed at the origin of the low voltage system or close to sensitive equipment to protect against transient voltages coupled into the low voltage network.
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Product name

DSPD-20

Standard Compliance

IEC/EN 61643-11

Certificate

CE, SEMKO, CB

Electrical characteristics

Type/ Class

Type2 / Class II

Max Continuous Operating AC Voltage Uc

275 V

Max Continuous Operating AC Voltage [N-PE] Uc

255V

Nominal Discharge Current (8/20 microsecond) In

20KA

Max Discharge Current (8/20 microsecond) Imax

40KA

Voltage Protection Level Up

<1.3KV

Voltage Protection Level 5kA Up

<1 kV

Voltage Protection Level [N-PE] Up

<1.5 kV

TemporaryOvervoltage with Stand (5 second) Ut

335V

IResidual Current At Uc- Ipe

<100 µA

Short Circuit Current Rating ISCCR

3KA

Follow Current extinguishing Capability [N-PE] a.c. Ifi

100Ams

Max Backup Fuse

125 A gL/gG

Response Time

<25 ns

Response Time [N-PE]

<100 ns

OperatingTemperatureRange

–40°C - 80°C

Operating State/Fault Indication

Green/Red

Cross-section Area

4-35 sq mm

For Mounting on

35 mm Din Rail

Enclosure Material

Thermoplastic UL94-V0

Degree of Protection

IP20