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BUSSMANN Fuse: Class H, NOS Series, Fast-Acting, 400 A, 600 V AC - Fast-Acting Blade Fuses
BUSSMANNFast-Acting Blade Fuses

BUSSMANN Fuse: Class H, NOS Series, Fast-Acting, 400 A, 600 V AC

The BUSSMANN NOS Series Fast-Acting Blade Fuse is a Class H, non-indicating fuse rated for 400 A at 600 V AC. This product, identified by manufacturer part number NOS-400, is designed for overcurrent protection in…

SKU 3G-OTH-24687

Also listed as: NOS400 · NOS 400

Brand
BUSSMANN
Item
Fuse: Class H, NOS Series, Fast-Acting, 400 A, 600 V AC
Category
Fast-Acting Blade Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
NOS-400
Series
NOS

Technical Documents

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN NOS Series Fast-Acting Blade Fuse is a Class H, non-indicating fuse rated for 400 A at 600 V AC. This product, identified by manufacturer part number NOS-400, is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the BUSSMANN NOS-400 fuse used for?

The BUSSMANN NOS-400 is a Class H, fast-acting blade fuse rated 400 A at 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and feeder circuits, where rapid interruption of high fault currents is required.

What are the specifications of the BUSSMANN NOS-400 fuse?

The BUSSMANN NOS-400 is a Class H, non-indicating, fast-acting blade fuse. It is rated for 400 A at 600 V AC and is part of the NOS series. The manufacturer part number is NOS-400. It is designed for overcurrent protection in industrial applications.

Where to buy the BUSSMANN NOS-400 fuse worldwide?

3G Electric supplies the BUSSMANN NOS-400 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this fast-acting Class H fuse.

How to select the correct BUSSMANN NOS series fuse for my application?

To select the correct BUSSMANN NOS series fuse, verify the voltage rating (600 V AC maximum), current rating (400 A for NOS-400), and interrupting rating for your circuit. Ensure the fuse is Class H rated and fast-acting for applications requiring rapid overcurrent protection. Consult a qualified engineer for proper coordination.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

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

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