Specifications

Product Type Surge Arrester	Brand DEHN	Series DEHNguard modular
Application TNC earthing systems (combined PE & N)

Lightning Impulse Current Iimp (10/350µs) 12.5kA	Max. Backup Fuse 160A gG	No. of Poles (Total) 3
Nominal Voltage 230 / 400V	Voltage Protection Level Up ≤ 1.75 (L-N) / ≤ 1.5 (N-PE) kV	Max. Discharge Current Imax (8/20µs) 40kA
Nominal Discharge Current Inom (8/20µs) 20kA	No. of Poles 3P	Max. Continuous Operating Voltage 385 V (L-N)/ 255 V (N-PE)

Terminal Size

max. 1.5 mm² solid / flexible

Depth 66mm	Height 90mm	Width 72mm
No. of Modules Width 4

Operating Temperature

-40°C to 80°C

IP Rating

IP20

DEHN DGMTT385CNFM Surge Arrester 4-P 50kA 385VAC DIN Rail Mount