MERSEN FUSE NH 00 125A 690V AM H227868

Q: What is the current rating of this fuse?

This NH fuse-link has a 125 A rated current.

Q: What voltage is the NH00AM69V125 designed for?

The fuse is rated for operation on 690 V AC electrical systems.

Mersen NH00AM69V125 DIN NH00 aM fuse-link rated 125 A and 690 V AC with double indicator and live gripping lugs for industrial motor circuit protection.

SKU: NH00AM69V125Alt SKU: NH00AM69V125MPN: H227868

List Price £10.97 ex VAT

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Why Choose the Mersen NH00AM69V125 NH Fuse-Link?

The Mersen NH00AM69V125 is a high-performance DIN NH aM low voltage fuse-link designed to provide reliable short-circuit protection for motors, motor starters and industrial power circuits. Manufactured by Mersen, this NH00 fuse-link is specifically engineered for motor applications where high inrush currents are present, making it ideal for use alongside dedicated overload protection devices.

Part of the trusted Mersen NH aM 690 V AC fuse-link series, the NH00AM69V125 features a 125 A current rating, 690 V AC operating voltage, double blown-fuse indication and live gripping lugs. These features enable rapid fault identification and safe replacement using an approved NH fuse puller.

Designed in accordance with IEC NH standards, this fuse-link delivers dependable short-circuit protection whilst allowing normal motor starting currents to pass without nuisance operation. Its NH00 construction makes it ideal for motor control centres, industrial switchboards and machine control panels.

Key Advantages

Purpose-designed aM fuse-link for motor circuit protection.
125 A current rating for industrial motor applications.
690 V AC operating voltage.
Designed to withstand normal motor starting currents.
Provides rapid protection against short-circuit faults.
Double indicator enables quick identification of operated fuse-links.
Live gripping lugs allow safe fuse replacement.
Manufactured in accordance with IEC NH standards.

Key Features

Mersen NH aM 690 VAC fuse-link series.
Catalogue number: NH00AM69V125.
Mersen item number: H227868.
Fuse size: NH00.
Current rating: 125 A.
Rated voltage: 690 V AC.
aM utilisation category.
Double operated-fuse indicator.
Live gripping lugs.
Standard NH blade contacts.
Body width: 30 mm.

Reliable Protection for Industrial Motor Circuits

The Mersen NH00AM69V125 is specifically designed to protect motors and motor feeders against short-circuit faults. Its aM operating characteristic tolerates normal motor starting currents whilst providing rapid fault interruption, helping maximise motor reliability and minimise downtime.

As an aM fuse-link, it provides short-circuit protection only and must always be used together with an appropriate motor overload relay or motor protection device to provide complete motor protection. Installation and replacement should only be carried out by suitably qualified electrical professionals using an approved NH fuse puller.

Typical Applications

Motor control centres.
Industrial motor starters.
Pump and fan control systems.
Machine building and OEM equipment.
Industrial switchboards.
Commercial and industrial electrical installations.

Technical Specifications

Current	125 A
Voltage	690 V
Manufacturer	Mersen
Series	NH Fuse-Links aM 690 VAC
Model	NH00AM69V125
Item number	H227868
Product type	DIN NH motor protection fuse-link
Fuse size	NH00
Utilisation category	aM
Rated current	125 A
Rated AC voltage	690 V AC
Breaking capacity	80 kA AC
Current type	AC
Contact type	Blade contacts
Indicator	Double indicator
Gripping lugs	Live tags
Body width	30 mm
Weight	Approx. 0.20 kg
Power dissipation	6.4 W
EAN	8430399024851
Compliance	RoHS compliant
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH00
Fuse Class	aM

Frequently Asked Questions

What is the Mersen NH00AM69V125 used for?

The NH00AM69V125 provides short-circuit protection for motors, motor starters and industrial motor circuits.

What is the current rating of this fuse?

This NH fuse-link has a 125 A rated current.

What voltage is the NH00AM69V125 designed for?

The fuse is rated for operation on 690 V AC electrical systems.

What does the aM classification mean?

The aM utilisation category identifies a motor protection fuse-link that provides short-circuit protection whilst allowing normal motor starting currents to pass without unnecessary operation.

Does this fuse provide overload protection?

No. An aM fuse-link must be used together with a suitable overload relay or motor protection device to provide complete motor protection.

Trusted by Electrical Professionals Worldwide

Mersen NH aM fuse-links are trusted by panel builders, OEMs, electrical contractors and maintenance engineers for dependable motor circuit protection in demanding industrial environments.

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