Specifications

Product Type	Surge Arrester
Brand	DEHN
Series	DR M
Application	Protection against transient overvoltages
Electrical Endurance	10000 cycle
Max. Backup Fuse	25 A gG
Max. Continuous Operating Voltage (AC/DC)	255 V
No. of Poles (Total)	2
Rated Current (In)	25A
Rated Impulse Withstand Voltage (Uimp)	4 kV
Rated Insulation Voltage (Ui)	500 V
Suitable For	Residential, commercial, industrial
Power Loss	Total 3 W
Rated Frequency	50 … 60 Hz
Rated Voltage	230/400 V
Nominal Voltage	230 V
Terminal Type	bi-directional cylinder-lift
Voltage Protection Level Up	&#8804; 1250 / &#8804; 1500 V
Short Circuit Current Rating	6 kArms
Nominal Discharge Current Inom (8/20µs)	3 kA
Rated Residual Current	300 mA
Type of Residual Current	Type A
Conductor Cross Section Flexible	0...16 mm²
Conductor Cross Section Solid Core	0...16 mm²
Housing Type	RAL 7035
Mechanical Endurance	20000
Mounting Method	35 mm DIN rails
Terminal Size	max. 1.5 mm²
Depth	90mm
Height	73mm
Weight	395g
Width	18mm
Pollution Degree	2
Storage Temperature	-40…+70
Operating Temperature	-40 °C ... +80 °C
IP Rating	IP 20
Standards and Approvals	IEC/EN 61009-1 Ann. G; IEC/EN 61009-2-1