TRSX-20

TRSX-20 AC Surge Protection Box 20kA T2 380V IEC 61643-11

Main Features

Nominal discharge current (8/20μs) In: 10kA
Maximum discharge current (8/20μs) Imax: 20kA
Voltage Protection Level (Up): ≤1.5kV
Nominal Voltage (Un): 380V AC
Max Operating Voltage (Uc): 385V AC
Response Time: <25ns
Mode of Protection: L-PE, N-PE
Compliance: EN 61643-11:2012, IEC 61643-11:2011/T2

The TRSX-20 Type 2 AC Surge Protection Box is designed to protect low-voltage power distribution systems from lightning-induced surges and transient overvoltage.
It integrates a Type 2 SPD module with a maximum discharge current of 20kA, suitable for secondary lightning protection in electrical panels.

This compact surge protection box is ideal for applications with moderate surge risk, offering reliable performance, fast response time, and easy wall-mounted installation.

Key Applications

Residential and light commercial power distribution boards
Small industrial control panels
Building electrical systems
Secondary lightning protection zones (LPZ 1–2)

Parameter/Type	TRSX-20
Protected mode	L-PE, N-PE
Nominal voltage (Un)	380V AC
Maximum operating voltage (Uc)	385V AC
Nominal discharge current (8/20µs) (In)	10kA
Maximum discharge current (8/20µs) (Imax)	20kA
Voltage protection level (Up)	≤1.5kV
Response time (ta)	<25ns
The nominal cross-sectional area of the copper conductor for operation connection	Single or multiple stranded copper wire: 6mm²– 25mm²
Fault indication	red indication field
Degree of protection	IP20
Range of operating temperatures (min/max)	-40℃～+70℃
Humidity range	5%～95%
Mounting	Wall mounted installation
According to standard	EN 61643-11:2012, IEC 61643-11:2011/T2
Remarks	Other Uc can be customized.(420VAC, 385VAC, 320VAC, etc.)