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Telecom
Telecom/Data surge protector - 1 to 4 pairs
B280-T
2-pair Telecom surge protector unit
B280-T
Part Number
72726
2-pair surge protection unit
For Telephone lines
Removable protection circuit
Wall mounting and screw connection
UL497 A&B
Datasheet
Installation Sheet
Tender specifications
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The B280 units are designed to protect terminals connected to telephone or data networks. The protection printed circuit is removable for easy and fast maintenance (S280). These compact boxes are designed for wall mouting and screw connection.
Select another reference:
B280-06D3
B280-12D3
B280-24D3
B280-48D3
B280-48DBC
B280-T
Electrical Properties
Mechanical Properties
Norms
Schemas
Network
RTC, ADSL, SDSL, SHDSL
Nominal line voltage
Un
150 V
Max. DC operating voltage
Uc
170 Vdc
Max. frequency
f max.
> 10 MHz
Insertion loss
< 1 dB
Max. load current
@25°C
IL
300 mA
Max. discharge current
max. withstand @ 8/20 µs by pole
Imax
20 kA
Protection mode(s)
Common/Differential mode
Protection level
@ In (8/20 µs)
Up L/L
220 V
Protection level
@ In (8/20 µs)
Up L/PE
20 V
Impulse current
2 x 10/350µs Test - D1 Category
Iimp
2.5 kA
Nominal discharge current
C2 Category
In
5 kA
Line resistance
< 4.7 Ohm
Technology
GDT+Clamping diode
SPD configuration
2 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)
S280-T
Dimensions
See diagram
Weight
0.123 kg
Standards compliance
IEC 61643-21 / EN 61643-21 / UL497A
Certification
UL 497B
×
Description:
2-pair Telecom surge protector unit
Standards compliance:
IEC 61643-21 / EN 61643-21 / UL497A
Certification:
UL 497B
Technology:
GDT+Clamping diode
SPD configuration:
2 pairs
Network:
RTC, ADSL, SDSL, SHDSL
Max. DC operating voltage:
170 Vdc
Max. discharge current :
20 kA
CITEL
Reference:
B280-T
Part Number:
72726
Or equivalent
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