Description
Industrial knife fuse belonging to the NH1 series, ideal for the protection of lines and equipment in civil and industrial systems.
The body is made of highly resistant steatite, filled with quartz sand, while the fusible element made of copper or silver-plated copper is soldered to the contact blades.
It features a double fusion warning device (central and upper) which can be integrated with a microswitch for remote alarm.
The breaking capacity is 100–120 kA at 500 V, ensuring safety even under massive short circuit conditions.
Datasheet
• NH1 knife type
• Rated current 200 A
• Rated voltage 500 V AC
• gG curve (global protection on lines and equipment)
• Body material in steatite with quartz sand
• Copper or silver-plated copper contacts
• Double fusion indicator (central + upper)
• Breaking capacity 100–120 kA (500 V AC)
Properties
