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MERSEN Fuse: CNN Series, Bolt-On, Fast-Acting, 400 A, 80 V DC, Indicating, AC/DC - Fast-Acting & General Purpose Bolt-On Fuses
MERSENFast-Acting & General Purpose Bolt-On Fuses

MERSEN Fuse: CNN Series, Bolt-On, Fast-Acting, 400 A, 80 V DC, Indicating, AC/DC

The MERSEN CNN Series is a fast-acting and general purpose bolt-on fuse, rated at 400 A and 80 V DC, with an indicating feature for AC/DC circuits. It is equivalent to the ANN and CNN series and is identified by…

SKU 3G-OTH-23617

Brand
MERSEN
Item
Fuse: CNN Series, Bolt-On, Fast-Acting, 400 A, 80 V DC, Indicating, AC/DC
Category
Fast-Acting & General Purpose Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
CNN400
Series
CNN
Type
Bolt-On, Fast-Acting, 400 A, Indicating, AC/DC, ANN | CNN
DC
80 V
Equivalent Fuse Series
ANN & CNN
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN CNN Series is a fast-acting and general purpose bolt-on fuse, rated at 400 A and 80 V DC, with an indicating feature for AC/DC circuits. It is equivalent to the ANN and CNN series and is identified by manufacturer part number CNN400.

Frequently Asked Questions

What is the MERSEN CNN400 fuse used for?

The MERSEN CNN400 is a fast-acting, bolt-on fuse rated 400 A and 80 V DC, designed for AC/DC circuit protection. It is commonly used in industrial power distribution, control panels, and DC drives where fast-acting overcurrent protection with an indicating feature is required.

What are the specifications of the MERSEN CNN400 fuse?

The MERSEN CNN400 is part of the CNN series, rated 400 A and 80 V DC. It is a fast-acting, bolt-on fuse with an indicating feature for AC/DC circuits. The equivalent fuse series are ANN and CNN. The manufacturer part number is CNN400.

Where to buy MERSEN CNN400 fuses worldwide?

3G Electric supplies MERSEN CNN400 fuses worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the CNN400 fuse.

How to select the correct MERSEN CNN400 fuse for my application?

To select the correct MERSEN CNN400 fuse, verify your circuit voltage (80 V DC max) and continuous current (400 A). Ensure the fuse is fast-acting for sensitive electronics. The bolt-on mounting style requires compatible fuse holders. Consult the MERSEN datasheet for time-current curves.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN fast-acting & general purpose bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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