166364 datasheet(11/36 Pages) EATON

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SPD Class B, Lightning Current Arrester SPI

• Field of application: For the protection of low voltage distribution systems

against direct lightning stroke into the overhead power supply line or exter-

nal lightning protection system (IEC 62305).

• Application according to IEC 60364-5-53 Clause 534

• Test class

in accordance with IEC 61643-1

• SPD-type

in accordance with EN 61643-1

• Capsuled version: during the discharge process, the device does not issue

any hot ionised gases. Therefore, there is no need for keeping a safety dis-

tance to flammable materials.

Technical Data

SPI-35/440

SPI-50/NPE

SPI-100/NPE

Electrical

Design

capsuled

Responding time t

< 100 ns

Voltage protection level U

1.5 kV

Maximum continuous operating voltage U

440 VAC

260 VAC

260 VA

Temporary overvoltage test value U

T (200 ms)

–

1200 VAC

(5 s)

T = UC

––

Rated frequency

50/60 Hz

Discharge current (8/20) µs I

max/In

35 kA

50 kA

100 kA

Impulse current I

imp (10/350) µs

Peak current

35 kA

50 kA

100 kA

Charge Q

17.5 As

25 As

50 As

Specific energy

305 kJ/

625 kJ/

2500 kJ/

Insulation resistance R

ISO

>10 M

Follow current interrupt rating I

3kA

r.m.s/260V

500A

r.m.s/260V

100A

r.m.s/260V

1.5kA

r.m.s/440V –

–

Short-circuit current strength at max. back-up fuse

25kA

r.m.s

––

Maximum back-up fuse

125 AgL

–

Connection diagram

Mechanical

Frame size

45 mm

Device height

90 mm

Device width

17.5 mm

35 mm

Weight

174 g

178 g

320 g

Upper and lower lift terminal capacity

rigid

0.5 - 35 mm2

10 - 50 mm2

flexible

0.5 - 25 mm2

16 - 35 mm2

Tightening torque of terminal screws

4 - 4.5 Nm

6 - 8 Nm

Mounting

quick fastening on DIN rail IEC/EN 60715

Degree of protection acc. to IEC 60529 (installed)

IP20 (IP40)

Accessories: busbars

Z-GV-U/

Permitted relative air humidity

< 95%

Permitted ambient temperature

-40°C to +85°C

Dimensions (mm)

SPI-35/440, SPI-50/NPE

SPI-100/NPE

Installation of lightning current arresters upstream of the meter is subject to

co-ordination with the relevant power supply company.

Installation of an r.m.s.ective protection cascade (SPD classes B, C, D)

requires co-ordinated application of the respective protective devices. This is

ensured by a defined line length between protective devices. When using

lightning current arresters of type SPI in connection with surge arresters SPC

with a maximum continuous operating voltage Uc of 460 V AC, no specific

line length or decoupling coils are required.

Practical Hint

Application Example

Attention!

SPI-.../NPE should be used only as a

N-PE spark gap in a e.g. TT-system (con-

nection type 2 according to IEC 60364-5-

534 Clause 534)

Spark gap

SPI-50/NPE

SPI-100/NPE

SPI-35/440

SPI-50/NPE: for protection class

III, IV according to IEC 62305

SPI-100/NPE: for protection class

I, II, III, IV according to IEC 62305

Surge Protection

SPI-35/440/3

SPI-3+1

Lightning current arrester Sets, Lightning protection classes I, II, III, IV

. . .SPI-35/440

. . .SPI-100/NPE

. . .SPB-D-125

. . . .Z-GV-U/3

. . .Z-GV-U/6

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