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MERSEN FUSE NH 2 500A 500V AM NH2AM50V500
Mersen NH2AM50V500 DIN NH2 aM fuse-link rated at 500A and 500V AC for industrial motor short-circuit protection.
£19.17
Why Choose the Mersen NH2AM50V500 NH Fuse-Link?
The Mersen NH2AM50V500 is a high-performance DIN NH aM fuse-link engineered to provide reliable short-circuit protection for motors, motor starters and industrial electrical equipment. As part of the trusted Mersen NH aM fuse-link range, it is specifically designed for motor applications where high starting currents are present while ensuring dependable protection against damaging fault currents.
Manufactured to IEC and DIN NH standards, this NH2 size fuse-link features live gripping lugs, a double operation indicator and a robust ceramic body. Its high interrupting capacity and durable construction make it suitable for demanding industrial environments including motor control centres, OEM machinery and heavy-duty power distribution systems.
With a 500 A rated current, 500 V AC operating voltage and a 120 kA AC breaking capacity, the NH2AM50V500 provides dependable short-circuit protection for high-power motor circuits whilst allowing normal motor starting currents to pass without nuisance operation.
Key Advantages
- Designed specifically for motor short-circuit protection (aM characteristic).
- 500 A rated current for high-power industrial motors.
- 500 V AC rated voltage.
- 120 kA AC breaking capacity.
- Double indicator provides rapid visual fuse status identification.
- Live gripping lugs enable safe replacement using approved NH fuse pullers.
Key Features
- Mersen NH aM fuse-link series.
- Catalogue number: NH2AM50V500.
- 500 A rated current.
- 500 V AC rated voltage.
- DIN NH Size NH2.
- aM utilisation category for motor protection.
- Double operation indicator.
- Live gripping lugs.
- Body width approximately 52 mm.
- RoHS compliant.
Reliable Protection for High-Power Motor Circuits
The Mersen NH2AM50V500 is specifically designed to protect industrial motor circuits against short-circuit faults whilst permitting the temporary inrush currents associated with motor starting. Its aM operating characteristic provides dependable fault protection when used alongside a correctly selected overload protection device.
Its robust ceramic construction, high interrupting capacity and compliance with international standards make it suitable for heavy industrial switchgear, motor control centres and OEM electrical equipment where reliable motor protection is essential.
Typical Applications
- Motor control centres.
- Industrial motor starters.
- Heavy-duty industrial machinery.
- Manufacturing and processing plants.
- OEM electrical control panels.
- Industrial power distribution systems.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 500 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | aM | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links aM 500 VAC | |
| Model | NH2AM50V500 | |
| Item number | C227978 | |
| Product type | DIN NH fuse-link | |
| Fuse characteristic | aM | |
| Fuse size | NH2 | |
| Rated current | 500 A | |
| Rated voltage | 500 V AC | |
| Breaking capacity | 120 kA AC | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Body width | 52 mm | |
| Weight | Approx. 0.64 kg | |
| Compliance | IEC / DIN NH, RoHS |
Frequently Asked Questions
What is the Mersen NH2AM50V500 used for?
It provides short-circuit protection for high-power industrial motor circuits operating on 500 V AC systems.
What does the aM fuse characteristic mean?
aM fuse-links are designed specifically for motor circuit short-circuit protection and should be used alongside an appropriate overload protection device.
What is the rated current of this fuse?
The NH2AM50V500 has a rated current of 500 A.
What fuse size is this model?
This product is manufactured in the standard NH2 DIN NH fuse size.
Does this fuse include a visual operation indicator?
Yes. It incorporates a double operation indicator that provides quick visual confirmation after the fuse has operated.
Trusted by Industrial Engineers Worldwide
Mersen NH motor protection fuse-links are trusted by OEM machine builders, panel manufacturers and industrial maintenance engineers for dependable short-circuit protection, high fault interruption capability and long-term reliability in demanding motor applications.
