Mersen 200A NH Fuse NH1 690V AC High Rupture Capacity Protistor® Series NH1UD E320371 / NH1UD69V200PV

Mersen E320371 / NH1UD69V200PV is a high-capacity NH fuse rated at 200A and designed for operation on 690V AC systems. It belongs to the Protistor® series NH1UD, offering advanced protection for power semiconductor devices with very high breaking capacity. The fuse complies with IEC standards and carries DIN 43620 approvals.

It features a NH1 fuse size with a fast fuse speed (FF), suitable for demanding electrical applications requiring reliable and rapid circuit protection. The fuse tag has a Plain Blade type with a tag width of 6mm for easy installation and connection flexibility.

Physical dimensions include an overall length of 135mm, length of 68mm, height of 52.5mm, and width of 39.5mm, ensuring compatibility with NH fuse holders and switchgear. The fuse body includes a fusion striker able to activate an external micro-switch, which is available separately (stock no. 448-3241).

This fuse is intended for use in industrial and electrical automation systems, especially where high rupture capacity and semiconductor protection are needed, commonly found in manufacturing, power distribution, and HVAC installations.

The product is manufactured in Tunisia and meets rigorous quality and safety standards for electrical fuses. Equipped with Protistor® technology to protect power semi-conductors. Complies with IEC standards and DIN 43620 approvals.

Includes a Plain Blade tag type with 6mm tag width. Fast fuse speed (FF) with high rupture capacity. Certified aR application category for semiconductor circuits. Compact dimensions enable use in standard NH1 fuse holders.

Micro-switch capability enhances monitoring integration (micro-switch sold separately). Browse the Fuse category on EnvMart for additional Mersen NH Fuses and related electrical protection components.