Page 500 - Din prodcuts 2020

5/56 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS 2CHC 420 001 C0201

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

Technical features
Types OVR T2-T3 3L 20-275 P QS
with auxiliary contact (TS) OVR T2-T3 3L 20-275 P TS QS
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Technology Varistor + GDT
Electrical features
Standard IEC 61643-11/EN 61643-11 / UL 1449 4th Ed
Type/test class T2-T3/II-III
Protected lines 3
System network TNC
Type of current AC 47-63 Hz
Voltage regulation of the system network ± 20 %
Nominal system voltage Un (L-PE/L-L) [V] 230/400
Max. cont. operating voltage Uc (L-PE/L-L) [V] 275/440
Nominal dc voltage Un dc L-PE [V dc] 320
Max. dc. cont. operating voltage Ucdc L-PE [V dc] 355
Maximum discharge current Imax (8/20) [kA] 20
Nominal discharge current In (8/20) [kA] 5
Total Current [kA] 60
Voltage protection level Up at In (L-N/N-PE /L-PE) [kV] 0,85/-/-
Voltage protection level Ures at 3kA [kV] 0.8
Voltage protection level Ures at 5kA [kV] 0.85
Voltage protection level Ures at 10kA [kV] 1.0
TOV (Temporary overvoltage) withstand Ut (L-N: 5s./N-PE: [V] 337/-
200ms)
Uoc [kV] 6
Response time [ns] ≤ 25
Short-circuit withstand capability Isccr [kA] 100
Backup protection maximum fuse (gG) [A] ≤ 125
rating circuit breaker (B or C curve) [A] ≤ 125
Pluggable cartridge Yes
Integrated QuickSafe® technology Yes
State indicator Yes
Safety reserve No
Auxiliary contact Yes (TS option)
Installation
Wire range (L, N, PE) solid wire [mm²] 2.5 ... 35
stranded wire [mm²] 2.5 ... 25
Stripping length (L, N, PE) [mm] 12.5
Tightening torque (L, N, PE) [Nm] 2.8
Auxiliary contact (TS)
Contacts information 1 NO - 1 NC
Min. load 12 DC - 10 mA
Max. load 250 V AC - 1A
Connection cross-section [mm²] 1.5
Miscellanous characteristics
Stocking and operating temperature [°C] -40 to +80
Maximal Altitude [m] 5000
Degree of protection IP 20
Fire resistance according to UL 94 V0
Dimensions
height x width x depth mm 88 x 53.4 x 65.3
inches 3.46 x 2.1 x 2.57