Product Description
IEC 61643-11 Class II
EN 61643-11 Type 2
Test type : 8/20μs
Surge Protective Device LYD7 seris
Maximum discharge current (Imax): 80kA / 60kA / 40kA / 20kA
Maximum continuous operation voltage (Uc): 420VAC / 385VAC / 320VAC
Pole version: 1-pole, 2-pole, 3-pole, 4-pole
Remote signalling: select-able.
DIN rail 35mm mounted
Used for low voltage distribution system.
Detailed Photos
@ IEC 61643-11 Class II
@ EN 61643-11 Type 2
@ Pole version: 1-pole, 2-pole, 3-pole, 4-pole
@ Maximum discharge current (Imax): 80kA / 60kA / 40kA / 20kA
@ Warranty 3 years
@ Remote signalling function is select-able
Product Parameters
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 420VAC
Model |
LYD7-B80-1-420 |
LYD7-B80-2-420 |
LYD7-B80-2-420 |
LYD7-B80-4-420 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.3kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 420VAC
Model |
LYD7-B60-1-420 |
LYD7-B60-2-420 |
LYD7-B60-3-420 |
LYD7-B60-4-420 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=2.2kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 420VAC
Model |
LYD7-C40-1-420 |
LYD7-C40-2-420 |
LYD7-C40-3-420 |
LYD7-C40-4-420 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 420VAC
Model |
LYD7-D20-1-420 |
LYD7-D20-2-420 |
LYD7-D20-3-420 |
LYD7-D20-4-420 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 385VAC
Model |
LYD7-B80-1-385 |
LYD7-B80-2-385 |
LYD7-B80-2-385 |
LYD7-B80-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.2kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 385VAC
Model |
LYD7-B60-1-385 |
LYD7-B60-2-385 |
LYD7-B60-3-385 |
LYD7-B60-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 385VAC
Model |
LYD7-C40-1-385 |
LYD7-C40-2-385 |
LYD7-C40-3-385 |
LYD7-C40-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 385VAC
Model |
LYD7-D20-1-385 |
LYD7-D20-2-385 |
LYD7-D20-3-385 |
LYD7-D20-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.5kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 320VAC
Model |
LYD7-B80-1-320 |
LYD7-B80-2-320 |
LYD7-B80-2-320 |
LYD7-B80-4-320 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 320VAC
Model |
LYD7-B60-1-320 |
LYD7-B60-2-320 |
LYD7-B60-3-320 |
LYD7-B60-4-320 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 320VAC
Model |
LYD7-C40-1-320 |
LYD7-C40-2-320 |
LYD7-C40-3-320 |
LYD7-C40-4-320 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=1.6kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 320VAC
Model |
LYD7-D20-1-320 |
LYD7-D20-2-320 |
LYD7-D20-3-320 |
LYD7-D20-4-320 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.4kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 420VAC, with remote signalling
Model |
LYD7-B80-1-420-FS |
LYD7-B80-2-420-FS |
LYD7-B80-2-420-FS |
LYD7-B80-4-420-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.3kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
Yes |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 420VAC, with remote signalling
Model |
LYD7-B60-1-420-FS |
LYD7-B60-2-420-FS |
LYD7-B60-3-420-FS |
LYD7-B60-4-420-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=2.2kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
Yes |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 420VAC, with signalling
Model |
LYD7-C40-1-420-FS |
LYD7-C40-2-420-FS |
LYD7-C40-3-420-FS |
LYD7-C40-4-420-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
Yes |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 420VAC. With signalling
Model |
LYD7-D20-1-420-FS |
LYD7-D20-2-420-FS |
LYD7-D20-3-420-FS |
LYD7-D20-4-420-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
420VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
Yes |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 385VAC
Model |
LYD7-B80-1-385 |
LYD7-B80-2-385 |
LYD7-B80-2-385 |
LYD7-B80-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.2kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 385VAC
Model |
LYD7-B60-1-385 |
LYD7-B60-2-385 |
LYD7-B60-3-385 |
LYD7-B60-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 385VAC
Model |
LYD7-C40-1-385 |
LYD7-C40-2-385 |
LYD7-C40-3-385 |
LYD7-C40-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 385VAC
Model |
LYD7-D20-1-385 |
LYD7-D20-2-385 |
LYD7-D20-3-385 |
LYD7-D20-4-385 |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.5kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 385VAC, with remote signalling
Model |
LYD7-B80-1-385-FS |
LYD7-B80-2-385-FS |
LYD7-B80-2-385-FS |
LYD7-B80-4-385-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.2kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 385VAC, with remote signalling
Model |
LYD7-B60-1-385-FS |
LYD7-B60-2-385-FS |
LYD7-B60-3-385-FS |
LYD7-B60-4-385-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 385VAC, with signalling
Model |
LYD7-C40-1-385-FS |
LYD7-C40-2-385-FS |
LYD7-C40-3-385-FS |
LYD7-C40-4-385-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 385VAC, with remote signalling
Model |
LYD7-D20-1-385-FS |
LYD7-D20-2-385-FS |
LYD7-D20-3-385-FS |
LYD7-D20-4-385-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
385VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.5kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 80kA , 4 variants, 320VAC, with remote signalling
Model |
LYD7-B80-1-320-FS |
LYD7-B80-2-320-FS |
LYD7-B80-2-320-FS |
LYD7-B80-4-320-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
80kA |
Nominal discharge current 8/20μs (In) |
40kA |
Voltage protection level (Up) |
<=2.0kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 60kA , 4 variants, 320VAC, with remote signalling
Model |
LYD7-B60-1-320-FS |
LYD7-B60-2-320-FS |
LYD7-B60-3-320-FS |
LYD7-B60-4-320-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
60kA |
Nominal discharge current 8/20μs (In) |
30kA |
Voltage protection level (Up) |
<=1.8kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 40kA , 4 variants, 320VAC, with remote signalling
Model |
LYD7-C40-1-320-FS |
LYD7-C40-2-320-FS |
LYD7-C40-3-320-FS |
LYD7-C40-4-320-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
40kA |
Nominal discharge current 8/20μs (In) |
20kA |
Voltage protection level (Up) |
<=1.6kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
LYD7 series surge protective device, Maximum discharge current 20kA , 4 variants, 320VAC, with remote signalling
Model |
LYD7-D20-1-320-FS |
LYD7-D20-2-320-FS |
LYD7-D20-3-320-FS |
LYD7-D20-4-320-FS |
Pole version |
1-pole |
2-pole |
3-pole |
4-pole |
Maximum continuous operation voltage (Uc) |
320VAC |
Maximum discharge current 8/20μs (Imax) |
20kA |
Nominal discharge current 8/20μs (In) |
10kA |
Voltage protection level (Up) |
<=1.4kV |
Response time |
<=25ns |
Degree of protection |
IP20 |
Temperature range |
-40°C to +80°C |
The visual window of defect |
Green is normal, red is defect |
Remote signalling |
yes |
Installation Instructions
(1) Install by DIN rail 35mm.
(2) Scale drawing
FAQ
OEM/ODM customerize is available.