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Overvoltage protection T2 DAC50S

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Characteristics
- Type 2 surge protection
- Current-carrying capacity per pole: In = 20kA; Imax = 50kA
- Secure clamping device
- Plug-in protection module
- Remote signalling as standard
- Complies with the IEC 61643-11 and EN 61643-11 standards
- Approved to UL 1449, 5th edition

SPD type
T2  
Nominal discharge surge current (8/20)
20 kA  
max. discharge current (Imax)
50 kA  
Response time [ta]
<20 ns  
Voltage protection level [Up]
1.25 kV  
Nominal cross section conductor (min/max)
2.5 - 25.0 mm²
Nominal frequency [fn]
0.0 - 100.0 Hz
Nominal line voltage Un AC
230 V  
Discharge current max. (8/20) µs [Imax]
50 kA  
Operating current [Ic]
0 kA  
Fault indication
mechanisch, Rot  
Follow current [IF]
0 kA  
follow current extinguishing capability [Ifi]
Unendlich kA eff  
Short circuit resistance (Icw)
50 kA  
Protection level max. (at Imax)
1.25 kV  
Temperature range
-40.0 - 85.0 °C
TOV-voltage L-N [UT]
335 V / 5 sec.  
Connection cross section solid / stranded max.
1.5 mm²  
Exhausting
No  
Remote signalling
Yes  
Material housing
 
Integrated backup fuse
No  
Mounting on
Hutschiene 35 mm  
Mounting method
DIN rail (top hat rail) 35 mm  
Yes  
System configuration
 
Switching capacity signaling contact
250 V/0,5 A (AC) / 30 V / 3 A (DC)  
Degree of protection
IP 20  
Degree of protection (IP)
IP20  
Signaling on the device
Optic  
Fuse max. (gG)
125 A  
Continuous voltage AC max.
275 V  
Test standards Germany
DIN EN 61643-11  
Test standards Europe
DIN EN 61643-11  
Test standards International
IEC 61643-11  
Test standards USA
UL 1449 ed.4  
Test standards France
DIN EN 61643-11  
Homologation
KEMA / EAC  
   
 Article No. E-Number      SPD type Number of poles Nominal discharge surge current (8/20) max. discharge current (Imax) Response time [ta] Voltage protection level [Up] Nominal cross section conductor (min/max) Nominal frequency [fn] VPE Quantity
   
Surge arrester DAC50S-10-275, type 2 291.110.221 808 488 180 new label T2 1 20 50 <20 1.25 2.5 - 25.0 0.0 - 100.0 1
Surge arrester DAC50S-20-275, type 2 291.110.222 808 488 190 new label T2 2 20 50 <20 1.25 2.5 - 25.0 0.0 - 100.0 1
Surge arrester DAC50S-30-275, type 2 291.110.223 808 488 200 new label T2 3 20 50 <20 1.25 2.5 - 25.0 0.0 - 100.0 1
Surge arrester DAC50S-40-275, type 2 291.110.224 808 488 210 new label T2 4 20 50 <20 1.25 2.5 - 25.0 0.0 - 100.0 1