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MERSEN FUSE FUS. AM NH2 C/P 400A NH2AM69V400P-2
Mersen NH2AM69V400P-2 NH Size 2 aM motor protection fuse link rated at 400 A and 690 V AC with striker indication for industrial motor circuits.
£36.79
Why Choose the Mersen NH2AM69V400P-2 Motor Protection Fuse Link?
The Mersen NH2AM69V400P-2 is a robust NH aM low voltage fuse link developed specifically for protecting industrial motor circuits against high fault currents. As part of Mersen's proven NH fuse range, it delivers reliable short-circuit protection for motors, motor starters, switchgear and heavy industrial electrical installations operating in demanding environments.
Designed to DIN NH standards, this fuse incorporates live gripping lugs, a striker indication system and silver-plated copper contacts to provide dependable electrical performance and rapid fault indication. The integrated striker can be used for local or remote indication when the fuse operates, helping maintenance engineers minimise downtime and identify faults quickly.
With a 400 A rated current, 690 V AC operating voltage and NH Size 2 construction, the NH2AM69V400P-2 is ideally suited for industrial motor control centres, manufacturing machinery, process plants and OEM electrical equipment where separate overload protection is provided by thermal overload relays.
Key Advantages
- Designed specifically for motor circuit short-circuit protection.
- 400 A rated current for high-power industrial motors.
- 690 V AC operating voltage suitable for industrial power systems.
- Integrated striker indication for rapid fault identification.
- 80 kA breaking capacity delivers excellent fault interruption.
- Silver-plated copper terminals ensure excellent conductivity and long service life.
Key Features
- Mersen NH aM Fuse Link Series.
- 400 A rated current.
- 690 V AC rated voltage.
- NH Size 2.
- aM utilisation category for motor protection.
- Integrated striker indication system.
- Live gripping lugs.
- Clip mounting with plain blade terminals.
Reliable Motor Protection for Industrial Applications
The Mersen NH2AM69V400P-2 is engineered to protect high-power motor circuits from damaging short-circuit faults while allowing the temporary inrush currents associated with motor starting. When combined with a suitable thermal overload relay, it forms a complete motor protection solution for industrial electrical systems.
Its ceramic construction, high interrupting capacity and integrated striker indication provide dependable protection and simplified maintenance, making it an excellent choice for demanding industrial environments where electrical reliability is essential.
Typical Applications
- Motor control centres.
- Industrial motor starters.
- Manufacturing and processing machinery.
- Industrial switchgear.
- OEM electrical control panels.
- Heavy industrial automation systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Current | 400 A | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | aM | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | NH aM Fuse Links | |
| Model | NH2AM69V400P-2 | |
| Item number | S213640 | |
| Product type | NH aM motor protection fuse link | |
| Rated current | 400 A | |
| Rated voltage | 690 V AC | |
| Fuse size | NH2 | |
| Utilisation category | aM | |
| Breaking capacity | 80 kA AC | |
| Indication system | Striker | |
| Terminal material | Silver-plated copper | |
| Terminal type | Plain blades | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| Power dissipation | 34 W | |
| Dimensions (L × W × H) | 150 × 56 × 72.3 mm | |
| Weight | Approx. 0.56 kg | |
| RoHS compliant | Yes | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen NH2AM69V400P-2 used for?
It provides short-circuit protection for industrial motor circuits and is intended for use alongside separate overload protection devices.
What is the rated current of this fuse?
The NH2AM69V400P-2 has a 400 A rated current.
What does the aM classification mean?
The aM utilisation category is designed specifically for motor circuit protection against short circuits and is used together with thermal overload protection.
What is the purpose of the striker?
The integrated striker provides mechanical indication when the fuse has operated and can also be used for remote signalling with compatible fuse bases.
What voltage is this fuse designed for?
The NH2AM69V400P-2 is designed for operation on 690 V AC industrial electrical systems.
Trusted for Industrial Motor Protection
Mersen NH aM fuse links are trusted by panel builders, OEMs and industrial maintenance engineers for dependable motor circuit protection, high interrupting capacity and long-term reliability.
