Siemens 3NA3372

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Siemens 3NA3372

Overview

The Siemens 3NA3372 is a low-voltage HRC fuse element intended to provide dependable protection for power distribution and industrial systems. It is rated at 630 A, with voltage capacities of 500 V AC and 440 V DC. This gG class NH3 fuse offers complete protection against overloads and short circuits.

It includes live grip lugs for safe handling and a front indicator that simplifies maintenance through a quick visual fuse status check. Built for Siemens LV HRC systems, the 3NA3372 guarantees long-term reliability and safety in demanding settings.

Key Features

Fuse Type: LV HRC Fuse Element
Fuse Size: NH3
Current Rating: 630 A
Voltage Rating: 500 V AC / 440 V DC
Utilization Category: gG (general protection)
Front-mounted indicator for easy fuse monitoring
Live grip lugs for safe installation and removal
Designed for overload and short-circuit protection
Complies with international standards for LV fuses

Technical Specifications

Manufacturer: Siemens
Article Number: 3NA3372
Fuse Size: NH3 (per EN 60269-1 standard)
Rated Current: 630 A
Rated Voltage: 500 V AC / 440 V DC
Fuse Class: gG
Indicator: Front-mounted
Handling: Live grip lugs
Application Category: LV HRC design
Compliance: IEC standards

Applications

Low-voltage switchgear and controlgear assemblies
Industrial power distribution networks
Transformer and motor protection
General-purpose overload and short-circuit protection
Backup protection for circuit breakers

Why Choose the Siemens 3NA3372

Reliable Siemens LV HRC fuse technology
High current rating for NH3 applications
Built-in front indicator for quick status checks
Safe and easy handling with live grip lugs
Provides comprehensive gG protection in industrial systems

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The Siemens 3NA3372 LV HRC fuse is available and ships globally.

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PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.