The Lightning Arrestors offer high discharge capacity, fast response, and multi-level surge protection against lightning-induced surges and overvoltage. Its thermal protection features, LED monitoring function along rugged construction make this device suitable for protecting industrial equipment and commercial buildings as well as energy facilities and telecommunication systems. This Best surge protector provides reliable functioning and extended-term security for vital electrical systems.
Lightning Arrestors - BT PUM 3WD 240 RM/3P
BT PUM 3WD 240 RM/3P protect both electrical systems and equipment against the destructive power of lightning-induced surges along with overvoltage threats. The product is specifically designed for three-phase systems because it provides complete protection throughout industrial and commercial areas.
Key Features:
- High Discharge Capacity: Handles high-magnitude surge currents originating from direct or indirect lightning activity.
- Fast Response Time: Responds within microseconds to minimize risks from overvoltage breakdowns.
- Thermal Safety Mechanism: Includes thermal controls that activate during severe operational conditions for enhanced safety.
- Real-Time Monitoring: Built-in LED indicators display operational status and protection health in real time.

Technical Specifications:
- Rated Voltage (Ue): 240V AC (three-phase)
- Maximum Continuous Operating Voltage (Uc): 275V AC
- Nominal Discharge Current (In): 30kA
- Maximum Discharge Current (Imax): 60kA
- Protection Level (Up): ≤1.2kV
- Response Time (tA): <20ns
- Operating Temperature Range: -40°C to +80°C
- Installation Method: DIN rail mounting

Applications:
- Industrial Systems: Protects industrial three-phase motors, power systems, and machinery from lightning strikes and power surges.
- Commercial Facilities: Ideal for office buildings, data centers, and large-scale electrical installations.
- Energy Sector: Provides safety assurance and reliable performance for energy processing areas and distribution networks.
- Telecommunication Systems: Safeguards sensitive communication hardware in base stations and data network elements.

Technical Data
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