AC SPD TRS4-D20 3P

TRS4/D20 3P Series surge protective device (Abbreviation: SPD) are suitable for AC 50/60Hz, rated voltage up to 380vIT、TT. TN-C、TN-S、 TN-C-S and other power supply system, It protects the system from indirect and direct lightning effect or other transient over voltage SPD is designed by according with GB 18802.1/IEC61 643-1 standard.

Circuit Diagram

Remote signalling contacts can be optiona

Product Parameters

Parameter/Type	TRS4-D10	TRS4-D20	TRS4-C40	TRS4-B60
Nominal volatge Un	230 V AC
Maximum operating voltage Uc	275 V AC
Nominal discharge current (8/20μs) In	5 kA	10 kA	20 kA	30 kA
Maximum discharge current (8/20μs) Imax	10 kA	20 kA	40 kA	60 kA
Voltage protection level Up	≤ 0,7 kV	≤ 1,0 kV	≤ 1,3 kV	≤ 1,5 kV
Response time ta	< 25ns
Cross-section of connected conductors solid (min/max)	16 mm2 / 35 mm2
Cross-section of connected conductors stranded (min/max)	16 mm2 / 35 mm2
Fault indication	red indication field
Remote indication	potential-free change-over contact
Remote indication contacts	250 V / 0,5 A AC, 250 V / 0,1 A DC
Cross-section of remote indication conductors	1,5 mm2
Degree of protection	IP20
Range of operating temperatures (min/max)	-40℃~+70℃
Humidity range	5%~95%
Mounting	DIN rail 35 mm
According to standard	EN 61643-11:2012, IEC 61643-11:2011 / T2
Remarks	Other Uc can be customized.(420V AC, 385V AC, 320V AC, etc.)

Company Profile

THOR is a manufacturer specialised in the development and production of surge protective devices since 2006. THOR offers a complete range of SPDs, such as AC power SPD, PV system SPD, Signal and network SPD, Coaxial RF SPD, lightning rod, lightning box, etc.
THOR SPDs are applied to lightning protection in different low-voltage system fields, such as industry,solar power generation systems, telecommunications， network data centers， office buildings， andhomes, etc.