Finder 7P.31.8.275.0005 Type 2 Surge Protection Device, 1-Pole, 275 V AC, 20 kA

The Finder 7P.31.8.275.0005 is a Type 2 surge protection device designed for installation in distribution boards. It provides reliable protection against transient overvoltages with a nominal discharge current of 20 kA and a maximum discharge current of 40 kA (8/20 µs).

Highlights

• Type 2 surge protection device (SPD) for distribution boards
• 1-pole, DIN rail mountable, 1 module width
• Maximum continuous operating voltage Uc: 275 V AC
• Voltage protection level Up: < 1.4 kV
• Visual status indication (green/red)

In daily use

This SPD protects electrical installations from surge voltages caused by indirect lightning strikes or switching operations. Its integrated thermal disconnector ensures safe disconnection in case of overload, while the visual indicator allows quick status checks.

Full specifications

• Nominal discharge current (In): 20 kA (8/20 µs)
• Maximum discharge current (Imax): 40 kA (8/20 µs)
• Maximum continuous operating voltage (Uc): 275 V AC
• Voltage protection level (Up): < 1.4 kV
• Number of poles: 1
• Mounting type: DIN rail (1 module)
• Status indication: visual (green/red)
• Protection technology: MOV (metal oxide varistor)
• Integrated thermal disconnector
• Response time: < 25 ns
• Operating temperature range: -40 to +80 °C
• Protection class: IP20
• Standards compliance: EN 61643-11, IEC 61643-11

Final note

The Finder 7P.31.8.275.0005 offers robust surge protection in a compact 1-module design, suitable for residential and commercial distribution boards.