PROTEC B2S(R) yy/xxx (1+1) (3+1) 12.5kA (10/350)

protec b2s  yyxxx 1+1 3+1
Category IEC/EN/VDE Class I-II / Type 1-2 / B-C
Location of use: Main distribution boards
Network systems: TN-S / IT
Protection modes: L-N ; N-PE
Protective elements: High energy MOV and GDT
Surge discharge rating: Iimp=12.5kA/50kA (L-N/N-PE)
MOV max. withstand capability 1×8/20: 100kA per pole
Housing: Modular design
Complies with: IEC/EN 61643-11

Specifikacija proizvoda

Tehnical data
Type 275 385 440
Elecrtical characteristics
Max.continuous operating voltage (AC/DC) Uc (L-N) 275/350V 385/500V 440/580V
Uc (N-PE) 255V
Nominal discharge current (8/20) In (L-N/N-PE) 25kA/30kA
Max.discharg current (8/20) Imax (L-N/N-PE) 60kA/50kA
Impulse current (10/350) Iimp (L-N/N-PE) 12.5kA/50kA
Specific energy W/R (L-N/N-PE) 39kJ/Ω/2.5MJ/Ω
Charge Q (L-N/N-PE) 6.25As/25As
Protection level Up (L-N) <1.4kV <1.7kV <2.0Kv
Up (N-PE) <1.7kV
Residual voltage at Iimp Ures <1.0kV <1.4kV <1.5kV
Residual voltage at 5kA (8/20) Ures (L-N) <0.9kV <1.3kV <1.4kV
Follow current Ifi (L-N/N-PE) 100ARMS
Response time tA (L-N/N-PE) <25ns/100ns
Thermal protection (L-N/N-PE) YES
Back-up fuse (if mains > 160A) (L-N) 160A gL
Short-circuit withstand current ISCCR 25kA/50Hz
Mechanical characteristics
Terminal screw torque max.3.0Nm
Temperature range -40˚C…+ 80˚C
Terminal cross section 35mm² (solid) / 25mm² (stranded)
Mounting 35mm DIN rail – EN60715
Degree of protection IP 20
Housing material thremoplastic; extinguishing degree UL 94 V-0
Indication if disconnector operation red flag
Remote contacts (RC) YES
Contact ratings AC:250V/0.5A;125V/3A
Terminal cross section max. 1.5mm²
Remote terminal torque 0.25Nm
Ordering information
Uc 275 385 440
Ordering code PRTOTEC B2S 25/xxx (1+1) 506038 506040 5506041
Ordering code PROTEC B2SR 25/xxx (1+1) (with remote contacts) 506043 506045 506046
Ordering code PROTEC B2S 50/xxx (3+1) 506068 506070 506071
Ordering code PROTEC B2SR 50/xxx (3+1) (with remote contacts) 506073 506075 506076