Telecommunication systems require dependable circuit protection capable of interrupting high fault currents while maintaining system reliability. The Vicfuse VT1 Series is a special-purpose fuse designed specifically for telecommunication protection applications, providing high interrupting performance for DC power systems and network infrastructure equipment.

Rated at 170VDC with interrupting capacity up to 100kA, the VT1 Series is engineered to help protect telecommunications equipment from overload and short-circuit conditions. The series is available in current ratings from 1A to 125A, allowing engineers to select the appropriate protection level for a wide range of DC applications.

Designed for demanding operating environments, the VT1 Series supports operation across a wide temperature range from -55°C to +125°C and features low nominal melting I²t values for effective fault protection.

Key Features

• Special-purpose telecommunication protection fuse
• 170VDC voltage rating
• High interrupting rating of 100kA
• Current ratings from 1A to 125A
• Wide operating temperature range
• Designed for high-fault-current DC systems
• Compact design for telecommunications equipment
• Reliable overload and short-circuit protection

Electrical Specifications

• Voltage Rating: 170VDC
• Current Rating: 1A–125A
• Interrupting Rating: 100kA

Environmental Specifications

• Operating Temperature: -55°C to +125°C
• Storage Temperature: -55°C to +125°C

Typical Applications

• Telecommunication power systems
• Network infrastructure equipment
• DC distribution systems
• Communication equipment protection
• Telecom power supply circuits
• Telecommunications backup power systems

Engineering Benefits

The VT1 Series combines a high 100kA interrupting capability with a 170VDC rating to provide dependable protection for telecommunications equipment operating in demanding DC environments. Its broad current range and robust environmental performance support reliable protection across a variety of telecom applications.