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Protection and safety
OVR Type 2 pluggable QuickSafe® surge protective devices TNS/TT
230 and 400 V 3Ph+N networks

Technical features
Types OVR T2 3N 40-275 P QS OVR T2 3N 40-275s P QS OVR T2 3N 80-275s P QS OVR T2 3N 40-350 P QS OVR T2 3N 40-440 P QS OVR T2 3N 80-440s P QS
with auxiliary contact (TS) OVR T2 3N 40-275 P TS QS OVR T2 3N 40-275s P TS QS OVR T2 3N 80-275s P TS QS OVR T2 3N 40-350 P TS QS OVR T2 3N 40-440 P TS QS OVR T2 3N 40-440s P TS QS OVR T2 3N 80-440s P TS QS 5
Technology Varistor + GDT Varistor + GDT Varistor + GDT Varistor + GDT Varistor + GDT Varistor + GDT Varistor + GDT
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/II T2/II T2/II
Protected lines 3+1 3+1 3+1 3+1 3+1 3+1 3+1
System network TT - TNS TT - TNS TT - TNS TT - TNS TT - TNS TT - TNS TT - TNS
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 ± 20 % ± 20 % ± 20 % ± 50 % ± 10% ± 10% ± 10%
Nominal system voltage Un (L-N/L-L) [V] 230/400 230/400 230/440 230/400 400/690 400/690 400/690
Max. cont. operating voltage Uc (L-N/L-L) [V] 275/440 275/440 275/440 350/600 440/760 440/760 440/760
Maximum discharge current Imax (8/20) [kA] 40 40 80 40 40 40 80
Maximum impulse current Iimp (10/350) [kA] 2 2 6.25 2 2 2 6.25
Nominal discharge current In (8/20) [kA] 20 20 20 20 20 20 20
Total Current [kA] 80 80 80 80 80 80 80
Voltage protection level Up at In (L-N/N-PE/L-PE) [kV] 1.25/1.4/1.5 1.4/1.4/1.5 1.4/1.4/1.5 1.5/1.4/1.7 1.8/1.4/2.1 1.8/2/2.1 1.8/2/2.1
Voltage protection level Ures at 3kA [kV] 0.8/1.4/0.85 0.8/1.4/0.85 0.8/1.4/0.85 1.0/1.4/1.05 1.25/1.4/1.45 1.25/1.4/1.45 1.25/1.4/1.45
(L-N/N-PE /L-PE)
Voltage protection level Ures at 5kA [kV] 0.85/1.4/0.95 0.85/1.4/0.95 0.85/1.4/0.95 1.05/1.4/1.1 1.35/1.4/1.45 1.35/1.4/1.45 1.35/1.4/1.45
(L-N/N-PE /L-PE)
Voltage protection level Ures at 10kA [kV] 1/1.4/1.15 1/1.4/1.15 1/1.4/1.15 1.2/1.4/1.3 1.55/1.4/1.65 1.55/1.4/1.65 1.55/1.4/1.65
(L-N/N-PE /L-PE)
TOV (Temporary overvoltage) withstand Ut [V] 337/1200 337/1200 337/1200 455/1200 581/1200 581/1200 581/1200
(L-N: 5s./N-PE: 200ms)
Response time [ns] < 25 < 25 < 25 < 25 < 25 < 26 < 25
Short-circuit withstand capability Isccr [kA] 100 100 100 100 100 100 100
Backup protection fuse (gG) [A] ≤ 125 ≤ 160 ≤ 160 ≤ 125 ≤ 125 ≤ 160 ≤ 160
maximum rating circuit breaker [A] ≤ 125 ≤ 125 ≤ 125 ≤ 125 ≤ 125 ≤ 125 ≤ 125
(B or C curve)
Pluggable cartridge Yes Yes Yes Yes Yes Yes Yes
Integrated QuickSafe® technology Yes Yes Yes Yes Yes Yes Yes
State indicator Yes Yes Yes Yes Yes Yes Yes
Safety reserve No Yes Yes No No Yes Yes
Auxiliary contact Yes (TS option) Yes (TS option) Yes (TS option) Yes (TS option) Yes (TS option) Yes Yes (TS option)
Installation
Wire range (L, N, PE) solid wire [mm²] 2.5 … 35 2.5 … 35 2.5 … 35 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 2.5 … 25 2.5 … 25 2.5 … 25
Stripping length (L, N, PE) [mm] 12.5 12.5 12.5 12.5 12.5 12.5 12.5
Tightening torque (L, N, PE) [Nm] 2.8 2.8 2.8 2.8 2.8 2.8 2.8
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 1 NO - 1 NC 1 NO - 1 NC
Min. load 12 DC - 10 mA 12 DC - 10 mA 12 DC - 10 mA 12 DC - 10 mA 12 DC - 10 mA 12 DC - 10 mA 12 DC - 10 mA
Max. load 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A 250 V AC - 1A
Connection cross-section [mm²] 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Miscellanous characteristics
Stocking and operating temperature [°C] -40 to +80 -40 to +80 -40 to +80 -40 to +80 -40 to +80 -40 to +80 -40 to +80
Maximal Altitude [m] 5000 5000 5000 5000 5000 5000 5000
Degree of protection IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 IP 20
Fire resistance according to UL 94 V0 V-0 V-0 V0 V0 V-0 V-0
Dimensions
height x width x depth [mm] 88 x 71.2 x 65.3 88 x 71.2 x 76.7 88 x 71.2 x 76.7 88 x 71.2 x 65.3 88 x 71.2 x 65.3 88 x 71.2 x 76.7
[inches] 3.46 x 2.8 x 2.57 3.46 x 2.8 x 3.02 3.46 x 2.8 x 3.02 3.46 x 2.8 x 2.57 3.46 x 2.8 x 2.57 3.46 x 2.8 x 3.02
With Auxiliary Contact (TS)
height x width x depth [mm] 95.8 x 71.2 x 65.3 95.8 x 71.2 x 76.7 95.8 x 71.2 x 76.7 95.8 x 71.2 x 65.3 95.8 x 71.2 x 65.3 95.8 x 71.2 x 76.7 95.8 x 71.2 x 76.7
[inches] 3.77 x 2.8 x 2.57 3.77 x 2.8 x 3.02 3.77 x 2.8 x 3.02 3.77 x 2.8 x 2.57 3.77 x 2.8 x 2.57 3.77 x 2.8 x 3.02 3.77 x 2.8 x 3.02
Replacement Cartridges
Phase Product ID OVR T2 40-275 C QS OVR T2 40-275s C QS OVR T2 80-275s C QS OVR T2 40-350 C QS OVR T2 40-440 C QS OVR T2 40-440s C QS OVR T2 80-440s C QS
2CTB803876R1000 2CTB815704R2600 2CTB815708R2600 2CTB803886R1000 2CTB803876R0400 2CTB815704R5500 2CTB815708R5500
Neutral Product ID OVR T2-T3 N 80-275 C QS OVR T2 N 80-275s C QS OVR T2 N 80-275s C QS OVR T2 N 80-350 C QS OVR T2-T3 N 80-440 C QS OVR T2 N 80-440s C QS OVR T2 N 80-440s C QS
2CTB803876R0000 2CTB815708R2800 2CTB815708R2800 2CTB803886R0000 2CTB803886R0100 2CTB815708R5700 2CTB815708R5700