Dehn DG M TNS 275 FM Modular Surge Arrester

The Dehn DG M TNS 275 FM (Part No. 952 405) is a modular surge arrester designed to protect electrical systems from transient overvoltages. Engineered for indoor installations, it offers robust surge discharge capacity and reliable operation in extreme temperature environments.

• Manufacturer: Dehn
• Type: Modular Surge Arrester
• Model: DG M TNS 275 FM
• Part No.: 952 405

Technical Information:

• Nominal Voltage (UN): 230 / 400 V AC (50 / 60 Hz)
• Max. Continuous Operating Voltage (UC): 275 V AC (50 / 60 Hz)
• Nominal Discharge Current (In): 20 kA (8/20 µs)
• Max. Discharge Current (Imax): 40 kA (8/20 µs)
• Place of Installation: Indoor installation
• Degree of Protection: IP 20
• Operating Temperature Range (TU): -40 … 80 °C