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gG 型保险丝 ≤ 125 A
OVR T1 1N 25-255 Surge Protective Device 2CTB815101R1500
To protect the systems against the transient overvoltage (lightning)
OVR type 1 %2B 2 is designed to discharge high current surges without any destruction of the installation.
This surge protective device is chararcterized by its capacity to withstand impulse current with 10/350 μs wave form
which simulate direct impact coming from a natural lightning current.
Type 1-type 2 SPDs are placed at the entrance point of the installation, in the main distribution board for a global protection of this installation.
T1 - T2
Imp : 25 kA
? Din The impulse current of 25kA per pole (10/350 μs wave) satisfies all requirements for overvoltage surge protection
? The early creation of the electric arc by its electronic ignition device reduces the protection level Up to an otimum value of 1,5kV
? OVR T1%2B2 SPDs contain a dedicated arc chamber for extinguishing the electrical arc following the discharge, they can open short circuits.
Type of Low Voltage Distribution System : TT , TN-S ;
Nominal AC Voltage of the System (Uo) : 230 / 400 V
Number of Protected Poles : 2
Arrester Class : I
Product Main Type : T1
Standards : IEC 61643-1 / EN 61643-11
Version : Fix
Discharge Current : Nominal 25 kA , Maximum 60 kA ,Total 75 kA
Impulse Current : I (imp, 10 / 350 μs) 25 kA
I (total, 10 / 350 μs) 50 kA
Maximum Continuous Operating Voltage (Uc) : (L-PE) 255 V , (L-L) - V
(L-N) 255 V , (N-PE) 255 V
Voltage Protection Level ( Up) : (L-N) 2.5 kV ,(N-PE) 2 kV ,(L-PE) - kV
Short Circuit Withstand Icc : 50 kA
Follow Current Extinction Capacity If (I fi) : 50 kA
Temporary Overvoltage Test Value (UT) : (L-N) 337 V , (N-PE) 1200 V
Short-Circuit Protective Devices : Curve B Breakers ≤ 125 A
Curve C Breakers ≤ 125 A
gL Type Fuses ≤ 125 A
gG Type Fuses ≤ 125 A
2CTB815101R1500
ABB
TT、TN-S
T1
连续工作电压 (Uc)
50 kA