Siemens 3NA31326 NH1 Fuse Link 125 A 690 V gG, Pack of 3

Protecting cables and lines from overcurrent and short-circuit damage is critical in industrial power distribution. The Siemens 3NA31326 NH fuse link is a robust solution for low-voltage systems, ensuring reliable protection and minimizing downtime. This pack includes three NH1 size fuse links, each rated at 125 A and 690 V AC, with a breaking capacity of 120 kA. The gG operating class provides full-range protection for general applications, making it suitable for cable and line protection in demanding environments.

Who is it for

This fuse link is ideal for electrical engineers, panel builders, and maintenance professionals working with industrial power distribution systems. It is designed for use in NH fuse bases and is suitable for applications such as motor control centers, distribution boards, and feeder circuits where reliable overcurrent protection is essential.

Main features

• NH1 size fuse link with blade contacts for secure mounting in compatible fuse bases.
• Rated current of 125 A and rated voltage of 690 V AC (250 V DC) for versatile use.
• High breaking capacity of 120 kA AC and 25 kA DC for effective short-circuit protection.
• Operating class gG (general purpose) for full-range protection of cables and lines.
• Dual indicator (top and front) for easy visual identification of a blown fuse.
• Ceramic body with silver-plated copper contacts for durability and low contact resistance.
• Complies with IEC 60269-2 standards, ensuring safety and performance.
• Pack of 3 fuse links for convenient replacement and stock keeping.

Specifications

• Fuse Type: NH Fuse Link
• Operating Class: gG (General Purpose)
• Fuse Size: NH1
• Rated Current: 125 A
• Rated Voltage AC: 690 V
• Rated Voltage DC: 250 V
• Breaking Capacity AC: 120 kA
• Breaking Capacity DC: 25 kA
• Application: Cable and Line Protection
• Indicator Type: Dual Indicator (Top and Front)
• Standards: IEC 60269-2
• Number of Poles: 1
• Quantity per Pack: 3
• Mounting Type: Blade Contacts (for Fuse Base)
• Body Material: Ceramic
• Contact Material: Silver-plated Copper
• Rated Power Loss: 12.5 W
• Frequency: 50/60 Hz
• Product Series: SITOR
• Short-circuit Current Limiting: Yes

Tips

Always verify that the fuse link's rated current and voltage match your system requirements. Store spare fuse links in a dry, clean environment to maintain their integrity. When replacing a blown fuse, inspect the fuse base for any signs of damage or overheating before installing a new link.