# Surge Protection Device BR 30FU 4P 30KA SPD Technical Specifications

## Introduction

The BR 30FU 4P 30KA SPD (Surge Protection Device) is a high-performance solution designed to protect electrical systems from transient overvoltages caused by lightning strikes or switching operations. This four-pole device offers robust protection with a nominal discharge current of 30kA, making it suitable for a wide range of commercial and industrial applications.

## Key Features

– Four-pole protection (L1, L2, L3, N)
– 30kA nominal discharge current (In)
– Compact and modular design
– Visual status indication
– Thermal disconnection for safety
– DIN rail mounting

## Technical Specifications

### Electrical Characteristics

Parameter | Value

Rated voltage (Un) | 230/400V AC
Maximum continuous operating voltage (Uc) | 320V AC
Nominal discharge current (In) | 30kA (8/20μs)
Maximum discharge current (Imax) | 60kA (8/20μs)
Voltage protection level (Up) | ≤1.5kV
Response time | <25ns

### Mechanical Characteristics

Parameter | Value

Dimensions (W×H×D) | 72×90×65mm
Mounting | DIN rail (35mm)
Weight | Approx. 0.5kg
Protection degree | IP20
Connection | 25mm² max

## Installation Guidelines

The BR 30FU 4P 30KA SPD should be installed in parallel with the electrical system to be protected, preferably at the main distribution board. Follow these steps for proper installation:

– Ensure the main power supply is disconnected
– Mount the device on a 35mm DIN rail
– Connect the phase and neutral conductors according to the wiring diagram
– Connect the protective earth conductor
– Verify all connections are secure
– Restore power and check the status indicator

## Applications

This surge protection device is ideal for:

– Main distribution boards
– Industrial control systems
– Commercial buildings
– Data centers
– Telecommunication installations
– Medical facilities

## Maintenance and Monitoring

The BR 30FU 4P 30KA SPD features a visual status indicator that shows the operational state of the device. Regular inspection is recommended to ensure proper functioning. The device should be replaced when the status indicator shows end-of-life condition or after a significant surge event.

## Compliance and Standards

This surge protection device complies with the following international standards:

– IEC 61643-11
– EN 61643-11
– UL 1449 (4th Edition)

The BR 30FU 4P 30KA SPD provides reliable protection against transient overvoltages, helping to prevent equipment damage and downtime. Its robust design and high discharge capacity make it an excellent choice for critical electrical installations requiring superior surge protection.