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Lightning Protection Device BR 30FU 4P 30KA SPD Technical Specifications

Introduction

The BR 30FU 4P 30KA SPD is a high-performance lightning protection device designed to safeguard electrical systems from transient overvoltages caused by lightning strikes or switching operations. This surge protective device (SPD) is engineered for industrial, commercial, and residential applications, ensuring reliable protection for sensitive electronic equipment.

Key Features

• 30kA Maximum Discharge Current (Imax) – Provides robust protection against high-energy surges.
• 4-Pole Design – Suitable for three-phase systems with neutral protection.
• Fast Response Time – Nanosecond-level reaction to transient overvoltages.
• Visual Status Indication – Clear fault indication for easy maintenance.
• Thermal Disconnect Protection – Automatic disconnection in case of overload.

Technical Specifications

Parameter	Value
Model	BR 30FU 4P
Nominal Discharge Current (In)	15kA (8/20μs)
Maximum Discharge Current (Imax)	30kA (8/20μs)
Voltage Protection Level (Up)	≤1.5kV
Response Time	<25ns
Operating Voltage (Uc)	275V AC
Operating Temperature	-40°C to +80°C

Installation Guidelines

The BR 30FU 4P 30KA SPD should be installed in parallel with the electrical system, preferably at the main distribution panel. Ensure proper grounding and follow all local electrical codes. The device is designed for DIN rail mounting and requires minimal maintenance.

Applications

This lightning protection device is ideal for:

• Industrial power distribution systems
• Commercial buildings
• Telecommunication facilities
• Data centers
• Residential complexes

Safety Compliance

The BR 30FU 4P 30KA SPD complies with international standards including:

• IEC 61643-11
• UL 1449
• EN 61643-11

Conclusion

The BR 30FU 4P 30KA SPD offers superior protection against lightning-induced surges with its high discharge capacity and fast response time. Its robust design and comprehensive protection features make it an excellent choice for critical electrical installations requiring reliable surge protection.