4-pair Data surge protector unit

B480-24D3
Part Number: 72793
B480-24D3
  • 4-pair surge protection unit
  • 24 V
  • Removable protection circuit
  • Wall mounting and screw connection
  • UL497 A&B
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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:
Network

4-20mA, 24V
Nominal line voltage
 Un

24 Vdc
Max. DC operating voltage
 Uc

28 Vdc
Max. frequency
 f max.

20 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

40 V
Impulse current
2 x 10/350µs Test - D1 Category
 Iimp

2.5 kA
Max. Load current
 IL

300 mA
Type of diagram

B
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)

S480-24D3
Remote signaling of disconnection

No
Dimensions

See diagram
Standards compliance

IEC 61643-21 / EN 61643-21 / UL497B
Certification

UL 497B