166364 datasheet(12/36 Pages) EATON

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SPD Class B+C, Lightning Current Arrester - Surge Arresters SPBT12

• Field of application

For the protection of low voltage distribution systems against transient

overvoltage caused by direct and indirect lightning stroke and switching

operations.

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

• Test class

in accordance with IEC 61643-1

• SPD-type

in accordance with EN 61643-11

• Lightning protection classes III and IV in accordance with IEC 62305

• Busbars ZV-KSBI are available for all customary applications

Technical Data

SPBT12-280...

SPBT12-NPE100

Electrical

per pole

Responding time (rate of voltage rise 5 kV/µs)

< 25 ns

< 100 ns

Voltage protection level U

< 1.5kV

Voltage protection level at 5 kA (8/20) µs

950 V

–

Maximum continuous operating voltage U

280 VAC

255 VAC

Temporary overvoltage test value U

370 VAC (5 s)

1200 VAC (200 ms)

Rated frequency

50/60 Hz

Open circuit voltage U

10 kV

20 kV

Nominal discharge current (8/20) µs I

25 kA

100 kA

Maximum discharge current I

max

50 kA

100 kA

Imulse current I

imp (10/350) µs

Peak current

12.5 kA

100 kA

Charge Q

6.25 As

50 As

Specific energy

39.1 kJ/

2500 kJ/

Follow current interrupt rating I

–100 A

r.m.s

Maximum back-up fuse

160 AgL/gG

–

Maximum short-circuit current

50 kA

r.m.s

–

Connection diagram

Mechanical

Frame size

45 mm

Device height

80 mm

Device width

17.5 mm

35 mm

Weight

121 g

250 g

Permitted ambient temperature

-40°C to +70°C

Degree of protection (built-in)

IP40

Upper and lower lift terminal capacity

4 - 25 mm2

4 - 35 mm2

Upper and lower open mouthed terminals

for busbar thickness up to

1.5 mm

Tightening torque of terminal screws

2.4 - 3 Nm

Quick fastening on DIN rail according to

IEC/EN 60715

Accessories: busbars 16 mm2

Type ZV-KSBI ...

Block Diagram

Surge Protection

Dimensions (mm)

Lightning current arrester - surge arrester Sets, Lightning protection classes III, IV

SPBT12-280

SPBT12-NPE100

SPBT12-

280/2

SPBT12-280/3

SPBT12-280/4

. . .SPBT12-280

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