NOARK prepäťová ochrana Typ I+II, 275 V AC, 12,5 kA, vymeniteľný modul, 2-pólový

The NOARK Type I+II surge protective device (SPD) is designed for reliable protection against transient overvoltages in low-voltage electrical installations. With a maximum continuous operating voltage of 275 V AC and a nominal discharge current of 12.5 kA, this device is suitable for main distribution boards and sub-distribution boards. The replaceable insert design allows for easy maintenance and replacement without removing the base. The 2-pole configuration ensures protection for single-phase systems.

Advantages

High surge current capacity with 12.5 kA nominal discharge current. Replaceable insert reduces downtime and maintenance costs. Compact design for space-saving installation. Compliant with international standards for safety and performance.

Suitable for

• Main distribution boards in residential and commercial buildings
• Sub-distribution boards requiring Type I+II protection
• Protection of sensitive electronic equipment against lightning and switching surges

Key specifications

• Brand: NOARK
• Model: 8453
• Type: I+II (Class I and II)
• Maximum continuous operating voltage (Uc): 275 V AC
• Nominal discharge current (In): 12.5 kA
• Number of poles: 2
• Replaceable insert: Yes
• Standards: EN 61643-11, IEC 61643-11

Recommendations

For optimal protection, install this SPD at the main distribution board and ensure proper grounding. Regularly inspect the status indicator and replace the insert if the device shows end-of-life.