TBP-400 Series Low Voltage Overvoltage ProtectorDetailed product description：

The TBP-400 series low-voltage overvoltage protector is suitable for use in AC 50/60Hz low-voltage power supply systems to protect against direct lightning effects, indirect lightning magnetic pulses, and other transient overvoltages.
The TBP series protectors comply with GB18802.1-2002/IEC61643-1:1998 and GB50057-2000 "Code for Design of Lightning Protection of Buildings"
TBP series protectors have protection forms such as relative phase, ground to ground, relative neutral line, neutral line to ground, and other combinations.
The TBP series protectors are suitable for surge protection requirements in buildings, communication systems, and industrial fields.

Model specifications and main technical parameters

1. Model and its meaning
Current supplied products: TBP-400 series, TBP-400/15,TBP-400/20,TBP-400/25,TBP-400/40,TBP-400/65,TBP－400/80,TBP-400/100,TBP-400/150,TBP-400/200 Low voltage combined instantaneous overvoltage protector of equivalent model
2. Main Technical Parameters Table
1) Main technical parameters of TBP
2) NPE protection modules with Uc=420V can be specially supplied.
Application Table of TBP Series Protectors 2 Application of TBP in Power Systems

Model specifications and main technical parameters

1. Model and its meaning
Current supplied products: TBP-400 series, TBP-400/15,TBP-400/20,TBP-400/25,TBP-400/40,TBP-400/65,TBP－400/80,TBP-400/100,TBP-400/150,TBP-400/200 Low voltage combined instantaneous overvoltage protector of equivalent model

model	TBP-400/200		TBP-400/150		TBP-400/100		TBP-400/65
Rated voltage (V)	230/400	400/690	230/400	400/690	230/400	400/690	230/400	400/690
Frequency (Hz)	fifty		fifty		fifty		fifty
10/350 μ S lightning impulse current (KA)	fifty	fifty	thirty-five	thirty-five	twenty-five	twenty-five	fifteen	fifteen
8/20 μ S maximum discharge current (KA)	two hundred	two hundred	one hundred and fifty	one hundred and fifty	one hundred	one hundred	sixty-five	sixty-five
Residual voltage of lightning impulse current (not greater than) (kV) 10KA (10/350 μ S)	one point three	two point three	one point three five	two point three five	one point four	two point four	one point four five	two point five
Surge discharge current residual voltage (not greater than) (kV) 5KA/10KV (8/20 μ S) combined wave	one	one point eight	one point one	one point nine	one point one five	two	one point two	two
Operating impulse current residual voltage (not greater than) (kV) screen 300A	zero point seven	one point two	zero point seven five	one point three	zero point eight	one point four	zero point eight five	one point five
1.2/50 μ S impulse action voltage (kV)	one point five	two point six	one point six	two point eight	one point seven	three	one point eight	three point one
2ms square wave impulse current (A)	two thousand		one thousand and five hundred		one thousand		six hundred and fifty
Internal backup insurance breaking capability (Arms)	fifty		fifty		fifty		fifty
External backup insurance breaking capability (Arms)	one hundred and twenty		one hundred and twenty		one hundred and twenty		one hundred and twenty
Discharge frequency (3KA/6KV)	10 ^ 5/20 years		10 ^ 5/20 years		10 ^ 5/20 years		10 ^ 5/20 years
response time	≤1ns		≤1ns		≤1ns		≤1ns
Starting time	≤25ns		≤25ns		≤25ns		≤25ns
Storage temperature (℃)	-40~+80		-40~+80		-40~+80		-40~+80
Working temperature (℃)	-25~+65		-25~+65		-25~+65		-25~+65
relative humidity	≤95%		≤95%		≤95%		≤95%
Altitude (m)	≤4000		≤4000		≤4000		≤4000
Test Basis	GB18802.1 IEC61643-1		GB18802.1 IEC61643-1		GB18802.1 IEC61643-1		GB18802.1 IEC61643-1
Selection criteria	GB50057 UL1449 IEEE62.41-1991		GB50057 UL1449 IEEE62.41-1991		GB50057 UL1449 IEEE62.41-1991		GB50057 UL1449 IEEE62.41-1991
Installation width	180mm		180mm		180mm		90mm

TBP-400 series low-voltage overvoltage protector