Page 498 - Din prodcuts 2020

5/54 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
Single pole - 230 V and 440 V networks

Technical features
Types OVR T2-T3 20- OVR T2-T3 20- OVR T2-T3 N OVR T2-T3 N
275 P QS 440 P QS 80-275 P QS 80-440 P QS
5
with auxiliary contact (TS) OVR T2-T3 20- OVR T2-T3 20- - -
275 P TS QS 440 P TS QS
Technology Varistor Varistor GDT GDT
Electrical features
Standard IEC 61643-11/ IEC 61643-11/ IEC 61643-11/ IEC 61643-11/
EN 61643-11 EN 61643-11 EN 61643-11 EN 61643-11
Type/test class T2-T3/II-III T2-T3/II-III T2-T3/II-III T2-T3/II-III
Protected lines 1 1 1 1
System network TNC - TT(L-N) - TNS TNC - TT(L-N) - TNS TT (N-PE)-TNS(N-PE) TT (N-PE)-TNS(N-PE)
Type of current AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz
Voltage regulation of the system network ± 20 % ± 10% ± 20 % ± 10 %
Nominal system voltage Un [V] 230 400 230 400
Max. cont. operating voltage Uc [V] 275 440 275 440
Nominal dc voltage Un dc L-PE [V dc] 320 320 - -
Max. dc. cont. operating voltage Ucdc L-PE [V dc] 355 355 - -
Maximum discharge current Imax (8/20) [kA] 20 20 80 80
Nominal discharge current In (8/20) [kA] 5 5 2 2
Voltage protection level Up at In (L-N) [kV] 0.9/-/- 1.4/-/- 30 30
Voltage protection level Ures at 3kA (L-N) [kV] 0.8 1.25 -/-/1.4 -/-/1.4
Voltage protection level Ures at 5kA (L-N) [kV] 0.85 1.35 - -
Voltage protection level Ures at 10kA (L-N) [kV] 1 1.55 - -
TOV (Temporary overvoltage) withstand Ut [V] 337/- 581/- - -
(L-N: 5s./N-PE: 200ms)
Uoc [kV] 6 6 - -
Response time [ns] ≤ 25 ≤ 25 -/1200 -/1200
Short-circuit withstand capability Isccr [kA] 100 100 <25 <25
Backup protection fuse (gG) [A] ≤ 125 ≤ 125 <125 <125
maximum rating circuit breaker (B or C [A] ≤ 125 ≤ 125 <125 <125
curve)
Pluggable cartridge Yes Yes Yes Yes
Integrated QuickSafe® technology Yes Yes - -
State indicator Yes Yes No No
Safety reserve No No No No
Auxiliary contact Yes (TS option) Yes (TS option) No No
Installation
Wire range (L, N, PE) solid wire [mm²] 2.5 ... 35 2.5 ... 35 2.5 ... 35 2.5 ... 35
stranded wire [mm²] 2.5 ... 25 2.5 ... 25 2.5 ... 25 2.5 ... 25
Stripping length (L, N, PE) [mm] 12.5 12.5 12.5 12.5
Tightening torque (L, N, PE) [Nm] 2.8 2.8 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 -40 to + 80 -40 to + 80
Maximal Altitude [m] 5000 5000 5000 5000
Degree of protection IP 20 IP 20 IP 20 - Indoor IP 20 - Indoor
Fire resistance according to UL 94 V0 V0 V-0 V-0
Dimensions of packing
height x width x depth [mm] 88 x 17.8 x 65.3 88 x 17.8 x 65.3 85 x 17.8 x 64.8 85 x 17.8 x 64.8
[inches] 3.46 x 0.7 x 2.57 3.46 x 0.7 x 2.57 3.35 x 0.70 x 2.55 3.35 x 0.70 x 2.55