4-pair Data surge protector unit
B480-24D3
Part Number: 72793
- 4-pair surge protection unit
- 24 V
- Removable protection circuit
- Wall mounting and screw connection
- UL497 A&B
Datasheet
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.
| Network | LS, 4-20 mA | |
| Nominal line voltage | Un | 24 V |
| Max. DC operating voltage | Uc | 28 V |
| Max. frequency | f max. | > 3 MHz |
| Insertion loss | < 1 dB | |
| Max. load current | IL | 300 mA |
| Max. discharge current | Imax | 20 kA |
| Total Maximum discharge current | Imax Total | 20 kA |
| Line inductance | No | |
| Protection mode(s) | Common/Differential mode | |
| Protection level | Up | 40 V |
| Protection level | Up | 20 V |
| Max. capacitance | C | < 200 pF |
| Impulse current | Iimp | 2.5 kA |
| Nominal discharge current | In | 5 kA |
| Type of diagram | B | |
| Line resistance | < 4.7 Ohm |
| Technology | GDT+Clamping diode | |
| SPD configuration | 4 pairs | |
| Connection to Network | screw terminal - mini/maxi cross section : 0.4/1.5 mm² | |
| 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 | |
| Weight | 0.063 kg |
| Standards compliance | IEC 61643-21 / EN 61643-21 / UL497A | |
| Certification | UL listed |
