SAFEBLOC B(R) yy/xxx (2+0) (3+0) (4+0) TCG 12.5kA (10/350) per pole

safetube b xxx 2+0 3+0 4+0 12.5
Category IEC/EN/VDE Class I-II / Type 1-2 / B-C
Location of use: Main distribution boards
Network systems: TN-S / TN-C / IT / TT
Protection modes: L/N-PE ; L-PEN
Protective elements: High energy MOV and GDT
Surge discharge rating: Iimp=12.5kA
Safety: TOV immunity
Leakage current: NO leakage current (TCG)
Housing: Compact design
Complies with: IEC/EN 61643-11 ; UL 1449 3rd Ed.

Specifikacija proizvoda

Tehnical data
Type 150 275 440
Elecrtical characteristics
Max.continuous operating voltage (AC/DC) Uc 150/200V 275/350V 440/580V
Nominal discharge current (8/20) In 12.5kA/pole
Max.discharg current (8/20) Imax 50kA/pole
Impulse current (10/350) Iimp 12.5kA/pole
Specific energy W/R 6.25kJ/Ω
Charge Q 12.5As
Protection level Up <0.65kV <1.1kV <1.6kV
Residual voltage at 5kA (8/20) Ures <0.55kV <0.8kV <1.4kV
Follow current Ifi NO
Response time tA <25ns
Thermal protection YES
Back-up fuse (if mains > 250A) 250A gL
TOV immunity (withstand for unlimited time up to) UT 300V 700V 900V
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 150 275 440
Ordering code SAFEBLOC B 25/xxx (2+0) TCG 540152 540154 540156
Ordering code SAFEBLOC BR 25/xxx (2+0) TCG (with remote contacts) 540153 540155 540157
Ordering code SAFEBLOC B 37.5/xxx (3+0) TCG 540164 540166 540168
Ordering code SAFEBLOC BR 37.5/xxx (3+0) TCG (with remote contacts) 540165 540167 540169
Ordering code SAFEBLOC B 50/xxx (4+0) TCG 540170 540172 540174
Ordering code SAFEBLOC BR 50/xxx (4+0) TCG (with remote contacts) 540171 540173 540175