Specifications

Product Type	Lightning current arrester
Brand	DEHN
Series	DEHNbloc modular
Application	Coordinated and modular single-pole lightning current arrester for protecting low-voltage consumer's installations against surges and even direct lightning strikes.
Lightning Impulse Current Iimp (10/350µs)	25 kA
Max. Backup Fuse	315 A gG
Max. Continuous Operating Voltage (AC/DC)	320 V AC
No. of Phases	1
Rated Cross-Section	50 sq-mm Stranded, 35 sq-mm Flexible, 35 sq-mm Stranded, 25 sq-mm Flexible
Communication Ports	1
Rated Current	125 A
Rated Voltage	277 V
Short Circuit Capacity	50 kArms
Nominal Voltage	277 V AC
Response Time	<= 100 ns
SPD Type	Type 1, Class I
Voltage Protection Level Up	2.5 kV
Alarm Contact	Changeover contact
Nominal Discharge Current Inom (8/20µs)	20 kA
No. of Poles	1
Material	Thermoplastic
Mounting Method	35 mm DIN rails acc. to EN 60715
Mounting Type	35 mm DIN Rail
Terminal Size	10 to 50 mm2
Depth	73 mm
Height	90 mm
Weight	330 g
Width	36 mm
No. of Modules Width	2
Operating Temperature	-40 to 80 degC
IP Rating	IP20
Standards and Approvals	UL

DEHN DBM1320FM Lightning Current Arrester 25kA 1 PH 277V 35mm DIN Rail 36mm W 73mm D 90mm H Thermoplastic IP20