SPD selection guide

SPD type

No. Of

Circuit

Iimp (KA)

Uc (V)

Mode of protection

poles

Type 1:

NSP-T1-HZ-255-110

1

1+0

110

255

L/N, L/PEN, L/PE

NSP-T1-HZ-500-110

1

1+0

110

500

L/N, L/PEN, L/PE

NSP-T1-HS-255-50

1

1+0

50

255

L/N, L/PEN, L/PE

NSP-T1-HS-440-50

1

1+0

50

440

L/N, L/PEN, L/PE

NSP-T1-HS-255-100

1

0+1

100

255

N/PE

NSP-T1-HS-255-110

1

0+1

110

255

N/PE

Type 1:

NSP-T1-G-25

1

0+1

25

255

N/PE

NSP-T1-G-50

1

0+1

25

255

N/PE

NSP-T1-G-80

1

0+1

50

255

N/PE

NSP-T1-G-100

1

0+1

80

255

N/PE

NSP-T1-M-G-25

1

0+1

100

255

N/PE

Type 1:

NSP-T1-M-7-75

1

1+0

7

75

L/N, L/PEN, L/PE

NSP-T1-M-7-150

1

1+0

7

150

L/N, L/PEN, L/PE

NSP-T1-M-7-275

1

1+0

7

275

L/N, L/PEN, L/PE

NSP-T1-M-7-320

1

1+0

7

320

L/N, L/PEN, L/PE

NSP-T1-M-7-385

1

1+0

7

385

L/N, L/PEN, L/PE

NSP-T1-M-7-440

1

1+0

7

440

L/N, L/PEN, L/PE

NSP-T1-12,5-275

1

1+0

12,5

275

L/N, L/PEN, L/PE

NSP-T1-12,5-320

1

1+0

12,5

320

L/N, L/PEN, L/PE

NSP-T1-12,5-385

1

1+0

12,5

385

L/N, L/PEN, L/PE

NSP-T1-12,5-440

1

1+0

12,5

440

L/N, L/PEN, L/PE

Type 1+2

NSP-T12-12,5-275

1

1+0

12,5/-

275

L/N, L/PEN, L/PE

NSP-T12-12,5-275/1+1

2

1+1

12,5/25

275/255

L/N, N/PE

NSP-T12-12,5-275/3+0

3

3+0

12,5/-

275

L/PEN

NSP-T12-12,5-275/3+1

4

3+1

12,5/50

275/255

L/N, N/PE

Type 1+2

NSP-T12-25-275

1

1+0

25/-

275/-

L/N, L/PEN, L/PE

NSP-T12-25-275/1+1

2

1+1

25/50

275/255

L/N, N/PE

NSP-T12-25-275/3+0

3

3+0

25/-

275/-

L/PEN

NSP-T12-25-275/3+1

4

3+1

25/100

275/255

L/N, N/PE

Type 2:

NSP-T2-75-(S)

1

1+0

40

75

L/N, L/PEN, L/PE

NSP-T2-150-(S)

1

1+0

40

150

L/N, L/PEN, L/PE

NSP-T2-275-(S)

1

1+0

50

275

L/N, L/PEN, L/PE

NSP-T2-320-(S)

1

1+0

50

320

L/N, L/PEN, L/PE

NSP-T2-385-(S)

1

1+0

40

385

L/N, L/PEN, L/PE

NSP-T2-440-(S)

1

1+0

40

440

L/N, L/PEN, L/PE

NSP-T2-600-(S)

1

1+0

40

600

L/N, L/PEN, L/PE

NSP-T2-M-75-(S)

1

1+0

40

75

L/N, L/PEN, L/PE

NSP-T2-M-150-(S)

1

1+0

40

150

L/N, L/PEN, L/PE

NSP-T2-M-275-(S)

1

1+0

50

275

L/N, L/PEN, L/PE

NSP-T2-M-320-(S)

1

1+0

50

320

L/N, L/PEN, L/PE

NSP-T2-M-385-(S)

1

1+0

40

385

L/N, L/PEN, L/PE

NSP-T2-M-440-(S)

1

1+0

40

440

L/N, L/PEN, L/PE

Type 2:

NSP-T2-G-20

1

0+1

50

255

N/PE

NSP-T2-G20-M

1

0+1

50

255

N/PE

NSP-T2-G1-275-(S)

2

1+1

50

-

Secondary switchboard, control box

NSP-T2-G3-275-(S)

4

1+1

50

-

Secondary switchboard, control box

NSP-T2-G1-M-275-(S)

2

3+1

50

-

Secondary switchboard, control box

NSP-T2-G3-M-275-(S)

4

3+1

50

-

Secondary switchboard, control box