SIEMENS 3NE1021-0 Fuse Link 100A 3 Pieces

SIEMENS 3NE1021-0 SITOR Fuse Link 100A 3 Pieces

Product Overview

The SIEMENS 3NE1021-0 is a high-performance SITOR fuse link designed for reliable protection of low-voltage industrial electrical systems. It is engineered to protect equipment against overloads and short-circuit currents, especially in demanding industrial environments such as automation systems, power distribution panels, and motor control circuits.

This fuse link belongs to the Siemens SENTRON / SITOR series, known for fast-acting protection and high breaking capacity. It ensures safe interruption of fault currents, protecting cables, semiconductors, transformers, and sensitive electrical devices.

Technical Characteristics

• Model: 3NE1021-0
• Type: SITOR fuse link (semiconductor protection)
• Rated current: 100A
• Rated voltage: up to 690V AC / 250V DC
• Breaking capacity: up to 100 kA
• Size: NH00 system
• Operating class: gS (fast-acting protection)
• Mounting: blade contacts for NH fuse bases

Application Areas

The SIEMENS 3NE1021-0 fuse link is widely used in industrial and commercial electrical installations where high reliability and fast fault protection are required. It is suitable for use in:

• Industrial switchgear and distribution boards
• Motor protection circuits
• Frequency converters and drive systems
• Transformer and power supply protection
• Automation and control systems

Key Advantages

• Ultra-fast short-circuit response
• High safety level for sensitive equipment
• Reliable Siemens industrial quality
• Long service life under heavy load conditions
• Standardized NH00 form factor for easy replacement

Packaging Information

This product is supplied as a set of 3 pieces, suitable for industrial maintenance, replacements, or new installations.