AC SPD TRS-A50 T1

TRS-A50 Series of graphite- gap surge protectors belong to Type1 (1 0/350 waveformlightning protection, used in AC 50/60Hz, rated voltage up to 275v IT、TT、TN-C、TN-S、 TN-C-S and other power supply system, |t protects the system from indirect and direct lightning effect or other transient over voltage. SPD is designed by according with GB18802.1/IEC61643-1 standard.

Circuit Diagram

Remote signalling contacts can be optiona

Product Parameters

Graphite gap surge arrester
Installtion to main distribution boards

For protection against impact direct or indirect lightning strikes in wide range of applications- houses,office and industrial buildings

Parameter/Type	TRS-A15	TRS-A25	TRS-A50
Nominal volatge Un	230 V AC
Maximum operating voltage Uc	275 V AC
Lightning impulse current (10/350 μs) Iimp	15 kA	25 kA	50 kA
Voltage protection level Up	≤ 2,0 kV	≤ 2,2 kV	≤ 2,5 kV
Insulation resistance group	> 100 mΩ
Response time	<100ns
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	—
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 / T1
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.