CITEL
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Specialist in overvoltage protection
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Telecom
Telecom/Data surge protector - 1 to 4 pairs
B480-48D3
4-pair Data surge protector unit
B480-48D3
Part Number:
72794
4-pair surge protection unit
48 V
Removable protection circuit
Wall mounting and screw connection
UL497 A&B
Installation Sheet
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The B480 units are designed to protect terminals connected to telephone or data networks. The protection printed circuit is removable for easy and fast maintenance (S480). These compact boxes are designed for wall mouting and screw connection.
Select another reference:
B480-06D3
B480-12D3
B480-24D3
B480-48D3
B480-T
Electrical Properties
Mechanical Properties
Norms
Schemas
Network
RNIS-T0, 48 V line
Nominal line voltage
Un
48 V
Max. DC operating voltage
Uc
53 Vdc
Max. frequency
f max.
> 3 MHz
Insertion loss
< 1 dB
Max. load current
IL
300 mA
Max. discharge current
Imax
20 kA
Total Maximum discharge current
Imax Total
20 kA
Line inductance
No
Protection mode(s)
Common/Differential mode
Protection level
Up
70 V
Protection level
Up
20 V
Max. capacitance
C
< 150 pF
Impulse current
Iimp
2.5 kA
Nominal discharge current
In
5 kA
Type of diagram
B
Line resistance
< 4.7 Ohm
Technology
GDT+Clamping diode
SPD configuration
4 pairs
Connection to Network
By screw terminal: cross section 0.4-1.5mm²
Format
Wall mounting box
Mounting
Wall mounting by screws (not supplied)
Housing material
Thermoplastic UL94 V-0
Operating temperature
Tu
-40/+85°C
Protection rating
IP20
Failsafe mode
Short-circuit - transmision cut-off - fault mode 2
Spare module(s)
S480-48D3
Remote signaling of disconnection
No
Dimensions
See diagram
Weight
0.063 kg
Standards compliance
IEC 61643-21 / EN 61643-21 / UL497A
Certification
UL listed
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