MERSEN FUSE NH 00 80A 690V AM F227866

MERSEN FUSE NH 00 80A 690V AM F227866

Mersen NH00AM69V80 NH00 aM fuse-link rated at 80 A and 690 V AC for short-circuit protection of industrial motor circuits.

SKU: NH00AM69V80Alt SKU: NH00AM69V80MPN: F227866
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Sold in packs of 3

£6.58

Why Choose the Mersen NH00AM69V80 NH Fuse-Link?

The Mersen NH00AM69V80 is a high-performance NH size 00 aM fuse-link designed to provide dependable short-circuit protection for industrial motors and associated electrical equipment. Rated at 80 A and 690 V AC, it is suitable for motor control centres, machinery, switchgear and low-voltage industrial distribution systems.

Its aM utilisation category provides partial-range protection specifically intended for motor circuits. The fuse-link offers strong current-limiting performance, helping reduce the thermal and mechanical effects of short-circuit currents on motors, cables, contactors and other downstream components.

The NH00AM69V80 features a durable ceramic body, silver-plated copper blade contacts, live gripping lugs and a practical double indication system. Its standard NH00 construction enables installation in compatible NH fuse bases and fuse-switch disconnectors used throughout industrial electrical systems.

Key Advantages

  • Designed specifically for industrial motor short-circuit protection.
  • 80 A rated current for correctly coordinated motor circuits.
  • 690 V AC rated voltage for demanding industrial networks.
  • 80 kA AC breaking capacity for reliable fault interruption.
  • Strong current-limiting performance helps minimise equipment damage.
  • Double indication system enables quick identification of fuse operation.
  • Live gripping lugs support handling using an approved NH fuse puller.

Key Features

  • Mersen NH aM 690 V fuse-link series.
  • NH00 fuse size.
  • 80 A rated current.
  • 690 V AC rated voltage.
  • aM partial-range operating characteristic.
  • 80 kA AC breaking capacity.
  • Double visual indication system.
  • Live, non-isolated gripping lugs.
  • Silver-plated copper plain-blade contacts.
  • Robust ceramic insulating body.

Reliable Short-Circuit Protection for Motor Circuits

The Mersen NH00AM69V80 is engineered to interrupt damaging fault currents before they can cause serious thermal or mechanical damage to motors, cables, contactors and switchgear. Its current-limiting action reduces the peak fault current and let-through energy reaching downstream components.

As an aM fuse-link, the NH00AM69V80 provides short-circuit protection only. It must therefore be coordinated with a suitable overload relay, motor protection circuit breaker or equivalent protective device to provide complete motor protection.

Typical Applications

  • Industrial motor control centres.
  • Motor starters and contactor assemblies.
  • Pumps, fans and compressors.
  • Conveyors and material handling systems.
  • Machine-building and OEM control panels.
  • Industrial switchboards and fuse-switch disconnectors.

Technical Specifications

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Fuse Indication Dual indicator
Current 80 A
Voltage 690 V
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH00
Fuse Class aM
Manufacturer Mersen
Series NH aM 690 V Fuse-Links
Model NH00AM69V80
Manufacturer part number F227866
Product type NH motor-circuit fuse-link
Fuse size NH00
Utilisation category aM
Rated current 80 A
Rated voltage 690 V AC
Current type AC
AC breaking capacity 80 kA
Indication system Double indicator
Gripping lug design Live gripping lugs
Terminal type Plain blades
Terminal material Silver-plated copper
Body material Ceramic
Dimensions (L × W × H) 78.5 × 30 × 60 mm
Body width 30 mm
Power dissipation at rated current 3.6 W
Product weight 0.2 kg
Sell pack quantity 3
EAN 8430399024837
RoHS compliant Yes
HS Code 85361090
Country of Manufacture Hungary

Frequently Asked Questions

What is the Mersen NH00AM69V80 used for?

The Mersen NH00AM69V80 provides short-circuit protection for industrial motors, motor starters and associated electrical equipment.

What are the current and voltage ratings?

The fuse-link is rated at 80 A and 690 V AC.

Does the NH00AM69V80 provide overload protection?

No. Its aM characteristic provides partial-range short-circuit protection, so the motor circuit must also include a suitable overload protection device.

What is the breaking capacity?

The NH00AM69V80 has a maximum AC breaking capacity of 80 kA.

Which fuse holder is compatible?

The fuse-link is designed for installation in compatible NH00 fuse bases and fuse-switch disconnectors. Installation and replacement should be completed by qualified electrical personnel.

Trusted Industrial Motor Protection

Mersen NH aM fuse-links are widely specified by electrical engineers, panel builders and machine manufacturers for dependable short-circuit protection in industrial motor control systems.