Page 461 - Din prodcuts 2020

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Protection and safety
OVR Type 1+2 surge protective devices Single pole

Technical features
Type codes OVR T1-T2 12.5-440s P QS OVR T1-T2 N 50-275s P QS OVR T1-T2 N 50-440s P QS
with auxiliary contact (TS) OVR T1-T2 12.5-440s P TS QS 5
Technology Varistor GDT GDT
Electrical features
Standard IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11 IEC 61643-11/EN 61643-11
Type/test class T1-T2/I - II T1-T2/I - II T1-T2/I - II
Protected lines 1 N N
System network TT (L-N) / TNS / TNC 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
Voltage regulation of the system network ± 10 % ± 20 % ± 10 %
Nominal system voltage Un [V] 400 230 400
Max. cont. operating voltage Uc [V] 440 275 440
Maximum impulse current Iimp (10/350) [kA] 12.5 50 50
Nominal discharge current In 8/20) [kA] 20 50 50
Maximum discharge current Imax (8/20) [kA] 80 100 100
Follow current interrupting rating Ifi [kA] - - -
Voltage protection level Up at In (L-N/N-PE/L-PE) [kV] 1.9/-/1.9 -/1.4/- -/1.9/-
Voltage protection level Ures at 3 kA [kV] 0.5 - -
TOV (Temporary overvoltage) withstand Ut [V] 581/ -/1200 -/1200
(L-N: 5s./N-PE: 200ms)
Response time [ns] < 25 ≤10 ≤10
Short-circuit withstand capability Isccr [kA] ≤ 100 ≤100 ≤100
Backup protection fuse (gG) [A] ≤ 160 - -
maximum rating circuit breaker (B or C curve) [A] ≤ 125 - -
Pluggable cartridge Yes Yes Yes
Integrated thermal disconnector Yes No No
State indicator Yes No No
Safety reserve Yes No No
Auxiliary contact Yes (TS option) No No
Installation
Wire range (L, N, PE) solid wire [mm²] 2.5 … 35 2.5 … 50 2.5 … 50
stranded wire [mm²] 2.5 … 25 2.5 … 35 2.5 … 35
Stripping length (L, N, PE) [mm] 12.5 12.5 12.5
Tightening torque (L, N, PE) [Nm] 2.8 3.5 3.5
Auxiliary contact (TS)
Contacts information 1 NO - 1 NC
Min. load 12 V DC - 10 mA
Max. load 250 V AC - 1A
Connection cross-section [mm²] 6.5
Miscellaneous characteristics
Stocking and operating temperature [°C] -40 to +80 -40 to +80 -40 to +80
Maximal Altitude [m] 5000 5000 5000
Degree of protection IP20 - Indoor IP20 - Indoor IP20 - Indoor
Fire resistance according to UL 94 V-0 V-0 V-0
Dimensions
height x width x depth [mm] 88 x 35.6 x 76.7 88 x 17.8 x 76.7 88 x 17.8 x 76.7
[inches] 3.46 x 1.4 x 3.02 3.46 x 0.7 x 3.02 3.46 x 0.7 x 3.02
Dimensions with auxiliary contact (TS)
height x width x depth [mm] 95.8 x 35.6 x 76.7
[inches] 3.77 x 1.4 x 3.02
Replacement Cartridges
Phase Product ID OVR T1-T2 12.5-440s C QS
2CTB815710R5500
Neutral Product ID - OVR T1-T2 N 50-275s C QS OVR T1-T2 N 50-440s C QS
2CTB815710R2700 2CTB815710R5600