Knife fuse | ceramic | NH1 | 250A | gG | 120kA | 500V

Technical Specifications:
Fuse size: NH1 
Rated voltage: AC: 690V / 500V; DC: 440V
Rated current: 250A 
Rated breaking capacity (short-circuit current limitation):
50 kA at 690V AC
120 kA at 500V AC
100 kA at 440V DC
Protection class: gG (general-purpose protection)
Nominal power loss: 11 W
Fuse weight: 0.18 kg
Standard: CE
Functions and Usage:
Protects electrical circuits from overloads and short circuits, ensuring reliable operation of equipment.
Suitable for both AC and DC networks, making it applicable in various electrical distribution and power conversion systems.
Designed for industrial equipment, transformer substations, distribution panels, motor protection, and other electrical systems.
Easily installed in NH fuse holders, ensuring convenient replacement and maintenance.
High short-circuit breaking capacity provides effective protection even under extreme loads.
Pros:
High breaking capacity – up to 120 kA, ensuring reliable short-circuit protection.
Universal application – suitable for both AC and DC networks.
gG class – general-purpose protection, suitable for both wires and devices.
Easy-to-replace design – allows quick fuse replacement when needed.
Reliability and durability – suitable for industrial and heavy-duty applications.
Cons:
May require additional holders – ensure an NH1 fuse base is available.
Mechanical stress during installation – requires precise insertion into the holder to avoid contact damage.
The fuse burns out when exposed to overload or short circuit and must be replaced.
This NH1 250A knife-blade fuse is a reliable solution for high-current electrical circuit protection, featuring high breaking capacity and wide applicability in industrial and power systems. Its robust construction and efficiency ensure safe electrical network operation even under extreme loads.