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Protection and safety
OVR Type 2 pluggable QuickSafe® surge protective devices Single pole
400 V networks

Technical features
Types OVR T2 40-440 P QS OVR T2 40-440s P QS OVR T2 80-440s P QS OVR T2 40-600 P QS OVR T2-T3 N 80-440 P QS OVR T2 N 80-440s P QS
with auxiliary contact (TS) OVR T2 40-440 P TS QS OVR T2 40-440s P TS QS OVR T2 80-440s P TS QS OVR T2 40-600 P TS QS OVR T2 120-440s P TS 5
Technology Varistor Varistor Varistor Varistor GDT GDT Varistor
Electrical features
Standard IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11
Type/test class T2/II T2/II T2/II T2/II T2-T3/II-III T2 T2
Protected lines 1 1 1 1 1 1 1
System network TNC - TT(L-N) - TNS - IT (230 V) TNC - TT(L-N) - TNS - IT (230 V) TNC -TT(L-N) - TNS - IT (230 V) TNC - TT(L-N) - TNS - IT (230 V) TT (N-PE)-TNS(N-PE) TT(N-PE)-TNS(N-PE) TNC - TT(L-N) - TNS - IT (230 V)
Type of current AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz AC 47-63 Hz
Voltage regulation of the system network ± 10% ± 10 % ± 10 % ± 50 % ± 10% ± 10% ± 10%
Nominal system voltage Un [V] 400 400 400 400 400 400 400
Max. cont. operating voltage Uc [V] 440 440 440 600 440 440 440
Nominal dc voltage Un dc L-PE [V dc] 495 - - 650 - -
Max. dc. cont. operating voltage Ucdc L-PE [V dc] 545 - - 715 - -
Maximum discharge current Imax (8/20) [kA] 40 40 80 40 80 80 120
Maximum impulse current Iimp (10/350) [kA] 2 2 6.25 2 2 6.25 -
Nominal discharge current In (8/20) [kA] 20 20 20 20 30 30 60
Voltage protection level Up at In [kV] 1.8/-/1.8 1.8/-/1.8 1.8/-/1.8 2.3/-/- -/1.4/- -/2/- 2.5
(L-N/N-PE/L-PE)
Voltage protection level Ures at 3kA (L-N) [kV] 1.25 0.8 0.8 1.6 - - 1.1
Voltage protection level Ures at 5kA (L-N) [kV] 1.35 1.2 1.2 1.7 - - -
Voltage protection level Ures at 10kA (L-N) [kV] 1.55 1.55 - 1.9 - - -
TOV (Temporary overvoltage) withstand Ut [V] 581/- 581/- 581/- 792/- -/1200 -/1200 440/-
(L-N: 5s./N-PE: 200ms)
Uoc [kV] - - - - -
Response time [ns] ≤ 25 ≤ 25 ≤ 25 ≤ 25 < 25 < 25 < 25
Short-circuit withstand capability Isccr [kA] 100 100 100 100 - 100 50
Backup fuse (gG) [A] ≤ 125 ≤ 160 ≤ 160 ≤ 125 ≤ 125 ≤ 160 A ≤50
protection circuit breaker (B or C curve) [A] ≤ 125 ≤ 125 ≤ 125 ≤ 125 ≤ 125 ≤ 160 A ≤50
maximum
rating
Pluggable cartridge Yes Yes Yes Yes Yes No Yes
Integrated QuickSafe® technology Yes Yes Yes Yes Yes - No
State indicator Yes Yes Yes Yes Yes No Yes
Safety reserve No Yes Yes No No No Yes
Auxiliary contact Yes (TS option) Yes (TS option) Yes (TS option) Yes No No Yes
Installation
Wire range solid wire [mm²] 2.5 … 35 2.5 … 35 2.5 … 35 2.5 … 35 2.5 … 35 2.5 … 35 2.5 … 50
(L, N, PE) stranded wire [mm²] 2.5 … 25 2.5 … 25 2.5 … 25 2.5 … 25 2.5 … 25 2.5 … 25 2.5 … 35
Stripping length (L, N, PE) [mm] 12.5 12.5 12.5 12.5 12.5 15 15
Tightening torque (L, N, PE) [Nm] 2.8 2.8 2.8 2.8 2.8 3.5 3.5
Auxiliary contact (TS)
Contacts information 1 NO - 1 NC 1 NO - 1 NC 1 NO - 1 NC 1 NO - 1 NC - - 1 NO - 1 NC
Min. load 12 V DC - 10 mA 12 V DC - 10 mA 12 V DC - 10 mA 12 V DC - 10 mA - - 12 V DC - 10 mA
Max. load 250 V AC - 1 A 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A - - 250 VAC - 1 A