EFB Surge Arrester ÜsAg 8x6 / 90 V / 10 kA (46142,1)

With a total nominal discharge current of 10 kA (8/20 µs) across 8 protected pairs, this surge arrester delivers robust protection for data and signal lines in information technology systems. The EFB 46142,1 is engineered to safeguard up to 16 wires (8 pairs) from transient overvoltages, ensuring reliable operation of connected equipment.

Overview

The EFB Surge Arrester ÜsAg 8x6 / 90 V / 10 kA is a high-performance protection device designed for DIN rail mounting. It features a nominal voltage of 90 V DC and a maximum continuous operating voltage of 90 V DC, making it suitable for a wide range of low-voltage data and signal applications. The unit complies with IEC 61643-21 and EN 61643-21 standards, ensuring quality and safety.

What stands out

• Protects 8 pairs (16 wires) of data and signal lines
• High discharge capacity: 10 kA nominal (8/20 µs) and 2.5 kA lightning impulse (10/350 µs)
• Low protection level: ≤ 250 V line-line, ≤ 500 V line-PE
• Wide operating temperature range: -40 °C to +80 °C
• Fast response time: < 1 ns
• High cut-off frequency: > 100 MHz at 50 Ω
• Compact DIN rail mounting with screw terminals (max. 2.5 mm²)

Technical details

• Product type: Surge arrester for information technology systems
• Nominal voltage (UN): 90 V DC
• Max. continuous operating voltage (UC): 90 V DC
• Nominal discharge current (In) (8/20 µs): 10 kA (total)
• Max. discharge current (Imax) (8/20 µs): 10 kA (total)
• Lightning impulse current (Iimp) (10/350 µs): 2.5 kA (total)
• Number of protected pairs: 8 pairs (16 wires)
• Protection level line-line (UP): ≤ 250 V
• Protection level line-PE (UP): ≤ 500 V
• Cut-off frequency (fG): > 100 MHz (at 50 Ω)
• Insertion loss (aE): < 0.3 dB at 100 MHz
• Response time (tA): < 1 ns
• Operating temperature range: -40 °C to +80 °C
• Degree of protection: IP20
• Mounting type: 35 mm DIN rail
• Connection type: Screw terminals (max. 2.5 mm²)
• Housing material: Thermoplastic
• Standards compliance: IEC 61643-21, EN 61643-21

Our verdict

A reliable and efficient surge protection solution for data and signal lines, offering high discharge capacity and fast response in a compact DIN rail format.