4-pair Telecom surge protector unit
Part Number: 72746
B480-T
- 4-pair surge protection unit
- For Telephone lines
- Removable protection circuit
- Wall mounting and screw connection
- UL497 A&B
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.
Datasheet|
Network
|
RTC, ADSL, SDSL, SHDSL |
|
|
Nominal line voltage
|
Un | 150 Vdc |
|
Max. DC operating voltage
|
Uc | 170 Vdc |
|
Max. frequency
|
f max. | > 10 MHz |
|
Insertion loss
|
< 1 dB |
|
|
Max. discharge current
max. withstand @ 8/20 µs by pole
|
Imax | 20 kA |
|
Nominal Discharge Current
C2 (1.2/50us / 8/20µs), 10 applications, X-X (Line/Line)
|
In | 5 kA |
|
Line inductance (± 10 %)
|
non |
|
|
Protection Level
C3 (10/1000μs), 300 applications@10 A, Y-Y (Line/Line)
|
Up | 220 V |
|
Impulse current
2 x 10/350µs Test - D1 Category
|
Iimp | 2.5 kA |
|
Max. Load current
|
IL | 300 mA |
|
Type of diagram
|
A |
|
|
Line resistance
|
< 4.7 Ohm |
|
Technology
|
GDT + R + 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-T |
|
|
Remote signaling of disconnection
|
No |
|
|
Dimensions
|
See diagram |
|
|
Weight
|
0.138 kg |
|
Standards compliance
|
IEC 61643-21 / EN 61643-21 / UL497B |
|
|
Certification
|
UL listed |
|
|
Environmental standards
|
EU RoHS |
