Description
​BENY 4P 385V AC SPD 20kA/40kA, AC Surge Protector
The BENY BUA-40/4 is a Type 2 AC Surge Protection Device (SPD) engineered to shield three-phase electrical systems from overvoltage and transient surges. With a maximum discharge current of 40kA and a nominal discharge current of 20kA, it ensures robust protection for critical equipment in residential, commercial, and industrial settings.            
Technical Specifications
| Specification | Details |
|---|---|
| Model | BUA-40/4 |
| Type | Type 2 SPD |
| Rated Voltage (Un) | 385V AC |
| Max. Discharge Current (Imax) | 40kA (8/20 µs) |
| Nominal Discharge Current (In) | 20kA (8/20 µs) |
| Voltage Protection Level (Up) | ≤1.8kV |
| Response Time (tA) | ≤25 ns |
| Mounting | 35mm DIN rail |
| Degree of Protection | IP20 |
| Standards Compliance | EN 61643-11, CE Certified |
Applications
Solar PV Systems: Protects inverters and other components from voltage spikes.
Industrial Equipment: Safeguards machinery and control systems.
Commercial Buildings: Ensures the safety of electrical installations.
Residential Homes: Provides protection for household electrical appliances.
