CITEL
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Accessories
Telecom
Telecom/Data surge protector - 1 to 4 pairs
B280-24D3
2-pair Data surge protector unit
B280-24D3
Part Number
72773
2-pair surge protection unit
24 V
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
LS, 4-20 mA
Nominal line voltage
Un
24 V
Max. DC operating voltage
Uc
28 Vdc
Max. frequency
f max.
> 3 MHz
Insertion loss
< 1 dB
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
40 V
Protection level
@ In (8/20 µs)
Up L/PE
20 V
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)
S280-24D3
Dimensions
See diagram
Weight
0.122 kg
Standards compliance
IEC 61643-21 / EN 61643-21 / UL497A
Certification
UL 497B
×
Description:
2-pair Data surge protector unit
Standards compliance:
IEC 61643-21 / EN 61643-21 / UL497A
Certification:
UL 497B
Technology:
GDT+Clamping diode
SPD configuration:
2 pairs
Network:
LS, 4-20 mA
Max. DC operating voltage:
28 Vdc
Max. discharge current :
20 kA
CITEL
Reference:
B280-24D3
Part Number:
72773
Or equivalent
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