Why Choose the Mersen NH3AM69V500P-2 NH Fuse Link?
The Mersen NH3AM69V500P-2 is a robust NH3 aM low-voltage fuse link designed for short-circuit protection in motor circuits, industrial machinery and high-power electrical installations. Manufactured to DIN NH standards, this partial-range fuse link delivers excellent current limitation and dependable interruption of high fault currents.
With a rated current of 500 A and a rated voltage of 690 V AC, the NH3AM69V500P-2 is ideal for demanding motor feeders and industrial power circuits. Its aM operating characteristic is specifically designed for short-circuit protection and should be used together with a suitable overload protection device such as a motor protection relay or motor protection circuit breaker.
The fuse link features silver-plated copper blade contacts, a durable ceramic body, live gripping lugs and an integrated striker for fuse indication and auxiliary switching functions. It is designed for installation in compatible NH fuse bases and switch-fuse disconnectors used throughout industrial power distribution systems.
Key Advantages
- Specialised aM fuse characteristic for motor short-circuit protection.
- 500 A rated current for high-power industrial motors.
- 690 V AC rated voltage for demanding industrial applications.
- 80 kA AC breaking capacity for reliable fault interruption.
- Integrated striker for remote indication and auxiliary switching.
- Live gripping lugs and ceramic body provide dependable long-term performance.
Key Features
- Mersen DIN NH standard fuse link.
- NH3 fuse size.
- 500 A rated current.
- 690 V AC operating voltage.
- Partial-range aM operating characteristic.
- 80 kA AC breaking capacity.
- Integrated mechanical striker.
- Live gripping lugs.
- Silver-plated blade contacts.
- High-strength ceramic insulating body.
Reliable Short-Circuit Protection for Industrial Motors
The Mersen NH3AM69V500P-2 is engineered to protect motor circuits, contactors and associated electrical equipment against high short-circuit currents. Its aM operating characteristic delivers rapid fault clearance while allowing normal motor starting currents without nuisance operation.
As an aM fuse link, it provides short-circuit protection only and must always be coordinated with an appropriate overload protection device. When installed in compatible NH fuse bases, it delivers dependable protection for industrial motor control centres, machinery and power distribution systems.
Typical Applications
- Motor control centres.
- Industrial motor feeders.
- Pumps and compressors.
- Conveyor systems.
- Industrial machinery.
- Switch-fuse disconnectors.
- Motor starters and contactors.
- Heavy industrial power distribution.
