Iimp 25kA Three phase VT Surge Arrester
- Prosurge
- China
- Within 25 days
- 10kpcs per month
Type1+2+3 surge arrester for low-voltage power supply system protection against surges at the boundaries from lightning protection zone 0B -3 and higher.
Surge protective device that Comply with IEC61643-11
VT technology, the best technology for power protection
Very low clamping level and high surge current capability Iimp 25kA 10/350 (High Iimp, low Up)
High TOV withstand, increased reliability for areas with unstable power network
No follow current + No leakage current + Intelligent distinguish Power frequency current and surge current to guarantee long service life
Part No. | B25VT/150(-S)/3PN100 | B25VT/175(-S)/3PN100 | B25VT/275(-S)/3PN100 | B25VT/320(-S)/3PN100 | B25VT/385(-S)/3PN100 | |
In accordance with | IEC61643-11:2011; UL1449-4th | |||||
Category IEC/VDE | I + II + III/ B+C+D | |||||
Max. continuous operating voltage (V) | L-N(AC/DC) | 150/200 | 175/225 | 275/350 | 320/420 | 385/505 |
N-PE(AC) | 150 | 150 | 255 | 255 | 255 | |
Nominal discharge current(8/20) In | L-N | 25kA | ||||
N-PE | 100kA | |||||
Max. discharge current(8/20) Imax | L-N | 120kA | ||||
N-PE | 200kA | |||||
Lightning impulse current(10/350) Iimp | L-N | 25kA | ||||
N-PE | 100kA | |||||
Open circuit voltage Uoc | 20kV | |||||
Voltage protection level | L-N@In | <0.8kV | <0.8kV | <1.0kV | <1.2kV | <1.5kV |
L-N@VPR | <0.5kV | <0.5kV | <0.6kV | <0.6kV | <0.8kV | |
N-PE@1.2/50 | <1.0kV | <1.0kV | <1.5kV | <1.5kV | <1.5kV | |
Response time | L-N | ≤100 ns | ||||
N-PE | ≤100 ns | |||||
Follow current/Leakage current | L-N | No / No | ||||
N-PE | Ifi =100Arms @ 255Vac / No | |||||
Backup fuse(only required if not already provided in mains) | 315A gL/gG | |||||
Operating temperature range | - 40ºC ~ + 80ºC | |||||
Cross-section of connection wire | Single-strand 35mm2; multi-strand 25mm2 | |||||
Mounting | 35mm DIN-rail in accordance with EN 50022/DIN46277-3 | |||||
Enclosure material | thermoplastic; extinguishing degree UL94 V-0 | |||||
Degree of protection | IP20 | |||||
Installation width | 8 modules, DIN 43880 | |||||
Thermal disconnector | Internal red - failure | |||||
Remote alarm contact | Optional | |||||
Approvals, Certifications | CE | |||||
Additional data for Remote Alarm Contacts | ||||||
Remote alarm contact type | Isolated Form C | |||||
Switching capability Un/In | AC: 250V/0.5A DC: 250V/0.1A; 125V/0.2A; 75V/0.5A | |||||
Max. Size of connecting wire | Max. 1.5mm2(or # 16AWG) | |||||
Prewired Multi-pole SPD
Part No. | Pole | Combination | Power System | Ma x . Operating Voltage Uc | Lightning Impulse Current (10/350μs) Iimp | Voltage Protection Level Up | Diagram |
B25VT/150-S/3P | 3 | 3 x B25VT/150-S | Three phase 3W+G | 150Vac | 25kA | L-G: 0.8kV | 2 |
B25VT/175-S/3P | 3 | 3 x B25VT/175-S | Three phase 3W+G | 175Vac | 25kA | L-G: 0.8kV | 2 |
B25VT/275-S/3P | 3 | 3 x B25VT/275-S | Three phase 3W+G | 275Vac | 25kA | L-G: 1.0kV | 2 |
B25VT/320-S/3P | 3 | 3 x B25VT/320-S | Three phase 3W+G | 320Vac | 25kA | L-G: 1.2kV | 2 |
B25VT/385-S/3P | 3 | 3 x B25VT/385-S | Three phase 3W+G | 385Vac | 25kA | L-G: 1.5kV | 2 |
B25VT/150-S/3PN100 | 4 | 3 x B25VT/150-S + G100/255NPE | Three phase 4W+G | 150Vac | 25kA / 100kA(NPE) | L-N: 0.8kV, N-PE: 1.5kV | 1 |
B25VT/175-S/3PN100 | 4 | 3 x B25VT/175-S + G100/255NPE | Three phase 4W+G | 175Vac | 25kA / 100kA(NPE) | L-N: 0.8kV, N-PE: 1.5kV | 1 |
B25VT/275-S/3PN100 | 4 | 3 x B25VT/275-S + G100/255NPE | Three phase 4W+G | 275Vac | 25kA / 100kA(NPE) | L-N: 1.0kV, N-PE: 1.5kV | 1 |
B25VT/320-S/3PN100 | 4 | 3 x B25VT/320-S + G100/255NPE | Three phase 4W+G | 320Vac | 25kA / 100kA(NPE) | L-N: 1.2kV, N-PE: 1.5kV | 1 |
B25VT/385-S/3PN100 | 4 | 3 x B25VT/385-S + G100/255NPE | Three phase 4W+G | 385Vac | 25kA / 100kA(NPE) | L-N: 1.5kV, N-PE: 1.5kV | 1 |
