Why Choose the Mersen NH0AM50V160 NH Fuse-Link?
The Mersen NH0AM50V160 is a dependable DIN NH size 0 aM fuse-link designed specifically for short-circuit protection in industrial motor circuits. Rated at 160 A and 500 V AC, it provides strong current-limiting performance to help protect motors, contactors, cables and associated switching equipment against damaging fault currents.
As an aM partial-range fuse-link, the NH0AM50V160 is intended primarily for motor circuit protection. It interrupts high fault currents while allowing the temporary inrush currents associated with motor starting. Because an aM fuse-link does not provide overload protection, it must be used alongside a suitable overload relay, motor protection device or other appropriately coordinated protective equipment.
The NH0AM50V160 features a standard NH0 blade-contact format, non-isolated live gripping lugs and a double indication system. Its durable construction and standardised dimensions support integration into compatible NH fuse bases, switch-fuse disconnectors and industrial motor control assemblies.
Key Advantages
- Purpose-designed aM short-circuit protection for motor circuits.
- 160 A rated current for demanding industrial motor applications.
- 500 V AC voltage rating for low-voltage power systems.
- Strong current-limiting performance helps reduce fault energy.
- Allows normal motor starting currents without unnecessary operation.
- Double indication system simplifies identification after fuse operation.
Key Features
- Mersen NH aM 500 V fuse-link series.
- DIN NH size 0 format.
- 160 A rated current.
- 500 V AC rated voltage.
- Partial-range aM operating characteristic.
- Designed for motor circuit short-circuit protection.
- Double fuse-operation indicator.
- Non-isolated live gripping lugs.
- Standard blade-contact construction.
- Cadmium-free and RoHS-compliant design.
Reliable Short-Circuit Protection for Motor Circuits
Industrial motors can draw several times their normal operating current during starting. The aM characteristic allows these temporary starting currents while providing rapid interruption of severe short-circuit faults. This helps reduce thermal and mechanical stress on motor circuit components during fault conditions.
The Mersen NH0AM50V160 must be coordinated with a suitable overload protection device because an aM fuse-link is designed for short-circuit protection rather than full-range overload protection. Selection, installation and replacement should be carried out by qualified electrical professionals using compatible NH equipment and an approved fuse-handling device.
Typical Applications
- Industrial motor control centres.
- Direct-on-line motor starter circuits.
- Star-delta starter assemblies.
- Contactor and overload relay combinations.
- Pumps, fans and compressor motors.
- Conveyors and material handling equipment.
- Industrial machinery and automation systems.
