2-pair Data surge protector unit
B280-12D3
Part Number 72772
- 2-pair surge protection unit
- 12 V
- Removable protection circuit
- Wall mounting and screw connection
- UL497 A&B
Datasheet
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.
|
Network
|
RS232, RS485 | |
|
Nominal line voltage
|
Un | 12 V |
|
Max. DC operating voltage
|
Uc | 15 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
C3 (10/1000μs), 300 applications@10 A, X-X (Line/Line)
|
Up | 30 V |
|
Protection level
C3 (10/1000μs), 300 applications@10 A, X-C (Line/Earth)
|
Up | 20 V |
|
Line resistance
|
< 4.7 Ohm |
|
Technology
|
GDT+TVS 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)
|
S280-12D3 | |
|
Dimensions
|
See diagram | |
|
Weight
|
0.12 kg |
|
Standards compliance
|
IEC 61643-21 / EN 61643-21 / UL497B | |
|
Certification
|
UL 497B |
