Compact multipolar SPD 12.5 kA Series
ProBloc B(R) 50 (3+1)
Class I * Class II * Type 1 * Type 2
Usage: Main Distribution Panels
Network systems: TT
Protection mode: L-Th, N-PE
Surge Values: Iimp = 12.5 kA/50 kA (10/350 µs)
In = 20 kA / 50 kA (8/20 µs)
IEC/ EN Category: Class I, II / Type 1, 2
Protective Elements: High Energy MOV and GDT
Housing: Compact Design
Compliance: IEC 61643-11:2011
EN 61643-11:2012
Technical Data
ProBloc B (R) 50 / xxx (3+1) 275 320 440
Electricity
Nominal AC Voltage (50/60 Hz) Uo 230 V 230 V 230 V
Maximum continuous operating voltage (AC) (L - N) Uc 275 V 320 V 440 V
(N-PE) UC 255 V
Nominal Discharge Current (8/20 µs) (L - n) / (n - PE) 20 kA / 50 kA
Maximum Discharge Current (8/20 µs) (L - n) / (n - PE) Imax 50 kA / 100 kA
Pulse Discharge Current (10/350 µs) (L - n) / (n - PE) Iımp 12.5 kA / 50 kA
Total Discharge Current (10/350 µs) Toplam 50 kA
Specific Energy (L - n) / (n - PE) w/r 39 kJ / Ω / 625 kJ / Ω
Scharge: (L-n) / (n-PE) Q 6.25 As / 25 As
Voltage Protection Level: (L - N) / (n - PE) up < 1.5 kV / < 1.5 kV < 1.5 kV / < 1.5 kV < 1.98 kV / < 1.58 kV
Break Spark Polling: (n-PE) Ifı 100 ARMS
Response Time: (L - n) / (n - PE) ta < 25 ns / < 100 ns
Spare Fuse: (Network> if it is 250 a) 250 a gG
Rated Short-Circuit current (AC) ISCCR 50 kA
TOV withstand 5 S (L-N) UT 335 V 335 V 585 V
TOV withstand 200 ms (n-PE) ut 1200 V / 300 bir
Number of Ports: 1
Mechanics And The Environment
Terminal Screw Torc: Mmax 3.0 Nm
Conductor Cut View (max) 35 mm2 (multiple) / 25 mm2 (Wired)
Montage 35 mm DIN Rail, EN 60715
Protection Class: IP 20
Material of Case: Thermoplastic: Quenching Circuit: UL 94 V-0
Thermal Protect: (L - n) / (n - PE) Yes or No
Fault Indicator: (L - n) / (n - PE) Red Flag / No
RC Switching Capacity AC: 250 V / 0.5 a; 125 V / 3A
RC Terminal Cut View (max) 1.5 mm2
RC Terminal Screw Torc: Mmax 0.25 Nm
0850 270 03 00
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 50(3+1) Surge arrester)
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