SIEMENS 3NH4030 NH Sicherungsbasis

SIEMENS 3NH4030 NH Fuse Base

Product Overview

The Siemens 3NH4030 NH fuse base is a heavy-duty low-voltage fuse holder designed for industrial power distribution systems. It is used to securely mount NH fuse links and ensure reliable electrical contact under high current conditions.

This component belongs to the Siemens SENTRON NH fuse system and is widely used in switchgear assemblies, motor control centers, and industrial distribution boards.

Technical Specifications

• Manufacturer: Siemens
• Model: 3NH4030
• Type: NH fuse base (fuse holder)
• System size: NH00
• Poles: 3-pole (three-phase system)
• Rated current: up to 160 A
• Rated voltage: up to 690 V AC (1000 V depending on configuration)
• Mounting type: fixed installation / panel mounting
• Connection type: flat terminal / screw connection
• Contact material: high-conductivity industrial alloy contacts

Design & Construction

The 3NH4030 features a robust industrial housing designed for long-term operation in demanding environments. Its wide contact surfaces ensure low power loss and stable fuse retention even under high load conditions.

Applications

• Industrial power distribution systems
• Electrical switchboards and control cabinets
• Motor protection circuits
• Transformer and feeder protection
• Heavy-duty industrial installations

Key Features

• Secure mounting for NH fuse links
• High thermal and mechanical stability
• Reliable 3-phase protection system
• Suitable for high current industrial environments
• Siemens SENTRON quality standard

Standards

Designed in accordance with IEC 60269 and DIN VDE 0636 standards for industrial fuse systems.

Packaging

Supplied as a single industrial fuse base unit for professional electrical installation.