

TRS4 Series surge protective device( hereinafter referred to as SPD) are suitable for AC 50/60Hz, rated voltage up to 380v IT,TT,TN-C, TN-S,TN-C-S and other power supply system, it protect to indirect and direct lightning effect or other transient over voltage
SPD design according with GB18802.1/IEC61643-1 standard.



Main technical parameters
Main technical parameters | TRS4-C40 |
Max continuous operating voltage Uc(VAC) | 420 |
Voltage protection level Up(kV)≤ | 2.0 |
Max discharge current (8/20μS) lmax(kA) | 40 |
Nominal discharge current (8/20μS) ln(kA) | 20 |
Response time ns | <25 |
Degree of protection | IP20 |
Operating state/ fault indication | Green/ Red |
Remote signal function | Can also picking |
Remarks | Other Uc can be customized (420VAC,320VAC,275VAC etc.) |
SPD according to IEC61643-1/EN61643-1 | type2 |

Q: What advantages do you have?
A: We have been manufacturing and exporting SPD for more than 10 years !
We have CE and TUV certification
Q: Can I get some samples?
A: We support small quantity samples order ! please contact with our staff and leave your detail contact information , we will answer you within 24 hours
Q: How long does it take to deliver?
A: Fast delivery : 3~7days after payment
Q: Could you do OEM for us?
A: We have good experience on OEM service
Q: How long is your products warranty ?
A: 3 years warranty
Q: How to pay?
A: We accept T/T, Paypal, Western union, L/C, Trade Assurance