BENY Electric BUD-40/3 DC Surge Arrester 1000V Type 2 Surge Protective Devices DC SPD UL1449
PV DC BUD-40/3 Surge Protection Device was designed and manufactured, complying the PV standard IEC/EN 61643-31/UL1449, It widely used in PV DC combiner box, inverter, controller, and PV DC cabinet.
Rated voltage 1000V DC, Maximum discharge current 40KA, High Energy Varistor, high effective for lightning protection.
| Model | BUD-40/3 |
| Pole | 3P |
| Standard | IEC/EN 61643-31/UL 1449 |
| Category IEC/EN | IEC II/EN2 |
| Open Voltage Uoc Max | 1000V DC
|
| Max Continuous Operational Voltage Uc | 1000V DC
|
| Nominal Discharge Current In(8/20)μs | 20KA
|
| Maximum Discharge Current Imax(8/20)μs | 40KA |
| Voltage Protection Level Up | ≤3.8KV |
| Response Time | ≤25ns |
| Operating Temperature Range (TU) | -40°C~+80°C
|
| For Mounting on | TH35-7.5/DIN35 |
| Relative Humidity | 30%~90% |
beny.com
Safer DC System
evb.com
Smart Charging Solution
pvb.com
Micro Energy System
© Copyright@2025, Zhejiang Benyi New Energy Co, Ltd. All rights reserved. privacy-policy, cybersecurity-commitment.
www.beny.com
Safer DC system
www.evb.com
Smart charging solution
www.pvb.com
Micro energy system
© Copyright@2021, Zhejiang Benyi New Energy Co, Ltd. All rights reserved. privacy-policy, cybersecurity-commitment.
