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Surge protection 296.072.776

Type: B 280

Characteristics
Citel B 180 and B 280 surge protectors have been designed to protect your single and dual telephone and data lines against harmful lightning surges and electrical transients. The two-staged protection circuit consists of a combination of powerful gas-tube technology and fast switching diodes. These compact boxes are designed for wall mounting and screw connection.

Article No. 296.072.776
E-Number 970 524 003
Technical specification
Applications with interface ISDN  
Number of wires 4  
Continuous voltage DC max. 170 V  
Operating voltage max. [UcDC] 170 V  
Nominal line voltage Un DC 150 V  
Continuous voltage AC max. 121 V  
Impulse current [Iimp]_(10/350) 2.5 kA  
Nominal discharge surge current (8/20) 5 kA  
Nominal load current 0.3 A  
Voltage protection level [Up] 0.22 kV  
Response time [ta] <1 ns  
Fault indication Kurzschluss  
Temperature range -40 - 80 °C
Dimensions Siehe Massbild  
Signaling on the device None  
Signal frequency 10 MHz
Discharge current max. [Imax] 20 kA  
Connector (information technology) Clamp  
Nominal cross section conductor 0.4 - 1.5 mm²
Nominal discharge current [In] 5  
Signal nominal load current 0.3 A  
Mounting method On basic element  
With remote signalling contact No  
Degree of protection (IP) IP20  
Standards
Test standards International IEC 61643-21  
Test standards USA UL497A  
Commercial specification
Customs number 85363000  
country of origin undefined