Page 504 - Din prodcuts 2020

5/60 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS 2CHC 420 001 C0201

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Protection and safety
OVR Type T2-T3 QuickSafe® surge protective devices
TT - 230 V and 400 V 3Ph+N networks

Technical features
Types OVR T2-T3 3N 20-275 P QS OVR T2-T3 3N 20-440 P QS
with auxiliary contact (TS) OVR T2-T3 3N 20-275 P TS QS
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Technology Varistor + GDT Varistor + GDT
Electrical features
Standard IEC 61643-11/EN 61643-11 IEC 61643-11 /EN 61643-11
Type/test class T2-T3/II-III T2-T3 /II-III
Protected lines 3+1 3+1
System network TT - TNS TT - TNS
Type of current AC 47-63 Hz AC 47-63 Hz
Voltage regulation of the system network ± 20 % ± 10 %
Nominal system voltage Un (L-N/L-L) [V] 230/400 400/690
Max. cont. operating voltage Uc (L-N/L-L) [V] 275/440 440/750
Maximum discharge current Imax (8/20) [kA] 20 20
Nominal discharge current In (8/20) [kA] 5 5
Total Current [kA] 80 80
Voltage protection level Up at In (L-N/N-PE/L-PE) [kV] 0.9/1.4/1.4 1.4/1.4/1.4
Voltage protection level Ures at 3kA (L-N/N-PE /L-PE) [kV] 0.8/1.4/0.85 1.25/1.4/1.4
Voltage protection level Ures at 5kA (L-N/N-PE /L-PE) [kV] 0.85/1.4/0.95 1.35/1.4/1.45
Voltage protection level Ures at 10kA (L-N/N-PE /L-PE) [kV] 1/1.4/1.15 1.35/1.4/1.65
TOV (Temporary overvoltage) withstand Ut (L-N: 5s./ [V] 337/1200 581/1200
N-PE: 200ms)
Uoc [kV] 6 6
Response time [ns] ≤ 25 ≤ 25
Residual current IPE [µA] ≤ 10 ≤ 10
Short-circuit withstand capability Isccr [kA] 100 100
Backup protection fuse (gG) [A] ≤ 125 ≤ 125
maximum rating
circuit breaker [A] ≤ 125 ≤ 125
(B or C curve)
Pluggable cartridge Yes Yes
Integrated QuickSafe® technology Yes Yes
State indicator Yes Yes
Safety reserve No No
Auxiliary contact Yes (TS option) Yes (TS option)
Installation
Wire range (L, N, PE) solid wire [mm²] 2.5 ... 35 2.5 ... 35
stranded wire [mm²] 2.5 ... 25 2.5 ... 25
Stripping length (L, N, PE) [mm] 12.5 12,5
Tightening torque (L, N, PE) [Nm] 2.8 2,8
Auxiliary contact (TS)
Contacts information 1 NO- 1 NC 1 NO- 1 NC
Min. load 12 DC - 10 mA 12 DC - 10 mA
Max. load 250 V AC - 1A 250 V AC - 1A
Connection cross-section [mm²] 1.5 1.5
Miscellanous characteristics
Stocking and operating temperature [°C] -40 to +80 -40 to +80
Maximal Altitude [m] 5000 5000
Degree of protection IP 20 IP 20
Fire resistance according to UL 94 V0 V0