PV TRS8

Type 1+2 PV Surge Protective Device TRS8 1500v

Main Features

Lightning impulse current(10/350μs) limp: 5kA/7kA
Nominal discharge current (8/20μs) In: 20kA
Maximum discharge current (8/20μs) Imax: 40kA
Network Systems: (+)-PE, (-)-PE, (+)-(-)
IEC/EN Category: Type 1+2 / Class I+II / Class B+C
Protective Elements: High Energy MOV
Housing: Pluggable design
Application: String box, Inverter
Compliance: EN 61643-31:2012, IEC 61643-31:2011

The TRS8-DC1500 is a high-performance Type 1+2 DC surge protective device engineered for modern photovoltaic (PV) power systems operating up to 1500 VDC.
Combining MOV and GDT hybrid protection technology, it delivers strong lightning-current handling capability along with a stable clamping response, making it suitable for both rooftop PV installations and large-scale solar plants.

This device is designed to withstand demanding electrical environments where both direct lightning impulses and switching surges can pose risks to PV strings, inverters, and DC distribution equipment.
Its integrated visual fault indicator provides clear status feedback, while optional potential-free remote signaling contacts support system-wide monitoring and automated fault reporting.

Built for long-term reliability, the TRS8-DC1500 performs effectively across a wide temperature range and maintains consistent surge protection even under high DC voltage stress.
The compact housing and DIN-rail mounting structure ensure easy installation inside combiner boxes, inverter cabinets, and DC control panels.

Applications

High-voltage photovoltaic systems operating up to 1500 VDC

Utility-scale solar farms requiring Type 1+2 combined lightning and surge protection

PV combiner boxes, inverter DC inputs, and DC distribution enclosures

Installations exposed to frequent lightning activity or harsh outdoor environments

Systems requiring visual fault indication and optional remote monitoring

Projects that demand a hybrid MOV+GDT device for enhanced surge durability

Parameter/Type	TRS8-DC1500
Max. PV Operating Voltage Ucpv	1500V DC
Lightning impulse current(10/350µs) Imp	5kA
Nominal discharge current (8/20µs) In	20kA
Maximum discharge current (8/20µs) Imax	40kA
Voltage protection level mode +/PE, -/PE Up	≤5.2kV
Short-circuit current rating Iscpv	10kA
Response time ta	< 25ns
Cross-section of connected conductors solid(min/max)	16mm²/35mm²
Cross-section of connected conductors stranded(min/max)	16mm²/35mm²
Fault indication	red indication field
Remote indication	potential-free change-over contact
Remote indication contacts	250V/0.5A AC, 250V/0.1A DC
Cross-section of remote indication conductors	1.5mm²
Degree of protection	IP20
Range of operating temperatures (min/max)	-40℃～+85℃
Humidity range	5%～95%
Mounting	DIN rail 35 mm
According to standard	EN61643-31:2012, IEC61643-31:2011/T1+T2
Remarks	Other Ucpv can be customized.(1200VDC, 1500VDC, etc.)