FUCHSBERG ELECTRIC GMBH Varisor Surge Arrester VR-V 4+0 275 40 RC Type 2 TNS for DIN Rail 1 (275821)

Maximum discharge current of 40 kA (8/20 µs) protects your installation against indirect lightning strikes and switching overvoltages. The Varisor VR-V 4+0 275 40 RC is a Type 2 surge protective device for TNS earthing systems, designed for mounting on 35 mm DIN rail.

Overview

This 4-pole arrester offers a maximum continuous operating voltage of 275 V AC and a voltage protection level below 1.3 kV. It features an integrated thermal disconnector and visual status indication, ensuring reliable operation and easy monitoring.

What stands out

• Remote signaling contact for integration into monitoring systems
• Fast response time under 25 ns
• Compact 4-module width (TE) for efficient panel space use
• Wide operating temperature range from -40°C to +80°C

Technical details

• SPD Type: Type 2 (Class II)
• Earthing System: TNS
• Configuration: 4+0
• Maximum Continuous Operating Voltage (Uc): 275 V AC
• Nominal Discharge Current (In): 20 kA (8/20 µs)
• Maximum Discharge Current (Imax): 40 kA (8/20 µs)
• Voltage Protection Level (Up): < 1.3 kV
• Response Time: < 25 ns
• Mounting Type: DIN Rail (35mm)
• Remote Signaling Contact: Yes
• Visual Status Indication: Yes (Green/Red Flag)
• Number of Modules (TE): 4
• Operating Temperature Range: -40°C to +80°C
• Protection Degree: IP20
• Housing Material: Thermoplastic, Flame Retardant
• Standards Compliance: IEC 61643-11, EN 61643-11
• Disconnector: Integrated Thermal Disconnector

Our verdict

A robust Type 2 surge arrester with remote signaling, ideal for protecting low-voltage systems in TNS networks.