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MERSEN FUSE CNN400 DIN CNN400DIN
Engineered for demanding forklift and industrial vehicle applications, this 400A DIN type fuse ensures robust circuit protection at up to 130VAC and 80VDC. Its high fault current interrupt capacity supports reliable safeguarding of critical equipment from overloads and short circuits.
£52.33
Why Choose the Mersen CNN400DIN Fuse?
The Mersen CNN400DIN is a heavy-duty 400 A industrial fuse designed to provide reliable protection for battery-powered vehicles, material-handling equipment and high-current electrical systems against short circuits and overcurrent conditions. As part of the proven Mersen DIN CNN fuse series, it is engineered specifically for demanding DC applications where dependable circuit protection is essential.
Featuring a rugged construction with DIN-style blade terminals, the CNN400DIN delivers fast fault interruption while maintaining excellent mechanical durability in harsh industrial environments. It is commonly installed in battery isolators and compatible DIN fuse bases, helping protect batteries, cabling, contactors and power electronics from costly damage caused by electrical faults.
With a 400 A current rating, 130 V AC and 80 V DC voltage ratings, this fast-acting fuse is ideally suited to electric forklift trucks, pallet trucks, aerial work platforms and industrial battery systems where high-current protection is critical for safe and reliable operation.
Key Advantages
- Heavy-duty 400 A fuse for industrial DC protection.
- Fast fault interruption reduces damage to connected equipment.
- 130 V AC and 80 V DC rated.
- DIN blade terminals provide secure installation.
- Compact construction suitable for battery-powered equipment.
- Reliable protection for demanding industrial applications.
Key Features
- Mersen DIN CNN fuse series.
- 400 A rated current.
- 130 V AC / 80 V DC voltage rating.
- Fast-acting fuse characteristic.
- DIN blade terminal design.
- Compatible with DIN 43560 SFBT fuse bases.
- Visual indication to identify operated fuses.
- Robust construction for industrial environments.
Reliable Protection for Industrial Battery Systems
High-current battery installations are capable of producing extremely high fault currents during short circuits. The Mersen CNN400DIN is designed to interrupt these fault currents rapidly, helping to protect battery banks, conductors, contactors and connected electrical equipment while reducing downtime and maintenance costs.
The CNN series is widely specified by OEMs and maintenance engineers for electric industrial vehicles and battery-powered equipment because it combines dependable protection, compact installation and long-term reliability in demanding operating environments.
Typical Applications
- Electric forklift trucks.
- Battery-powered warehouse vehicles.
- Industrial traction battery systems.
- Motorised work platforms.
- Battery isolator circuits.
- Industrial DC power-distribution equipment.
Technical Specifications
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| Voltage | 130 V | |
|---|---|---|
| Item number | CNN400DIN | |
| Description | Forklift Truck DIN CNN and CNL fuses 130VAC 80VDC 400A DIN Type Blades | |
| EAN/UPC Code | 3605340280074 | |
| Rated voltage AC UL | 130 V | |
| Rated voltage DC UL | 80 V | |
| Ampere Rating | 400 A | |
| AC or DC | AC/DC | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN Type Blades | |
| Product Width | 22.6 mm | |
| Product Length | 81.5 mm | |
| Sell Pack Quantity | 5 EA | |
| Sell Pack Weight | 0.135 kg | |
| Sell Pack Width | 85 mm | |
| Sell Pack Length | 85 mm | |
| Sell Pack Height | 26 mm | |
| Product group | Special Purpose Fuses | |
| Product Weight | 0.027 kg | |
| HS Code | 85361090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the Mersen CNN400DIN used for?
The CNN400DIN protects high-current battery-powered equipment including forklift trucks, industrial vehicles and DC electrical systems against overloads and short circuits.
What is the current rating of the CNN400DIN?
The fuse has a 400 A current rating.
What voltage is the CNN400DIN rated for?
The CNN400DIN is rated for 130 V AC and 80 V DC operation.
Does this fuse include a visual indication?
Yes. The fuse features a visual indication window to help identify when the fuse has operated.
Where is the CNN400DIN commonly installed?
It is commonly installed in forklift trucks, battery isolators, aerial work platforms and industrial battery-powered machinery using compatible DIN fuse bases.
Trusted Protection for Industrial Battery Equipment
Mersen DIN CNN fuses are trusted worldwide to protect battery-powered industrial vehicles and heavy-duty DC systems, delivering dependable overcurrent protection and long service life in demanding applications.
