Why Choose the Mersen NH4AM50V1250P-2 NH Fuse?
The Mersen NH4AM50V1250P-2 is a heavy-duty NH aM industrial fuse link engineered to provide dependable short-circuit protection for large motors, motor starters and high-power industrial electrical installations. Designed to DIN NH standards, this fuse delivers outstanding performance in demanding low-voltage power distribution systems where maximum reliability and high breaking capacity are essential.
Part of the trusted Mersen NH fuse-link range, the NH4AM50V1250P-2 is specifically intended for motor circuit protection. The aM operating characteristic allows motor starting currents to pass without nuisance operation while providing rapid interruption during short-circuit faults. Its ceramic construction, live gripping tags and integrated striker simplify installation, inspection and replacement within industrial switchgear.
Featuring a 1250 A current rating, 500 V AC operating voltage and NH4 size, this fuse is ideal for protecting large industrial motors, motor control centres, heavy-duty switchgear and power distribution equipment operating under demanding industrial conditions.
Key Advantages
- Heavy-duty NH aM fuse link for industrial motor protection.
- 1250 A current rating for high-power applications.
- 500 V AC rated voltage suitable for industrial power distribution.
- Designed specifically for motor circuit short-circuit protection.
- Integrated striker enables rapid fault indication.
- Live gripping tags allow safer fuse handling and replacement.
Key Features
- Mersen NH fuse-link series.
- NH4 size.
- 1250 A rated current.
- 500 V AC rated voltage.
- aM utilisation category for motor protection.
- 120 kA breaking capacity.
- High-strength ceramic fuse body.
- Integrated striker with live gripping tags.
Reliable Protection for High-Power Motor Circuits
The Mersen NH4AM50V1250P-2 provides reliable short-circuit protection for high-current motor circuits and associated industrial equipment. Its aM characteristic is specifically developed to tolerate normal motor starting currents while delivering rapid disconnection during severe electrical faults, helping minimise equipment damage and production downtime.
Designed for demanding industrial environments, this NH4 fuse link combines exceptional fault interruption capability with robust ceramic construction, making it an excellent choice for electrical engineers, OEMs and industrial maintenance professionals responsible for high-power electrical installations.
Typical Applications
- Large industrial motors.
- Motor control centres (MCCs).
- Industrial switchgear.
- Power distribution systems.
- Heavy-duty control panels.
- Manufacturing and process automation plants.