DEHNbloc Maxi DBM 1 760 FM

                           
DEHNbloc Maxi 1 760 FM Dimension drawing DBM 1 760 FM  Basic circuit diagram DBM 1 760 FM

DBM 1 760 FM: Coordinated single-pole lightning current arrester with high follow current limitation for UC = 760 V

	DBM 1 760 FM
SPD according to EN 61643-11	Type 1
SPD according to IEC 61643-1	Class I
Max. continuous operating a.c. voltage     [UC]	760 V
Lightning impulse current (10/350 µs)     [Iimp]	25 kA
Nominal discharge current (8/20 µs)     [In]	25 kA
Voltage protection level     [UP]	≤ 4 kV
Follow current extinguishing capability a.c.     [Ifi]	10 kArms
Follow current limitation / Selectivity	no tripping of a 63 A gL/gG fuse up to 10 kArms (prosp.)
Response time     [tA]	≤ 100 ns
Max. backup fuse (L) up to IK = 10 kArms (ta ≤ 5 s)	250 A gL/gG
Max. backup fuse (L) up to IK > 10 kArms	100 A gL/gG
Max. backup fuse (L-L´)	125 A gL/gG
Short circuit withstand capability for max. mains-side overcurrent protection	25 kArms
Temporary overvoltage (TOV)     [UT]	1000 V / 5 sec.
Operating temperature range (parallel connection)     [TUP]	-40°C...+80°C
Operating temperature range (series connection)     [TUS]	-40°C...+60°C
Operating state/fault indication	green / red
Cross-sectional area (L, L, )     [min.]	10 mm2 solid/flexible
Cross-sectional area (L, )     [max.]	50 mm2 stranded/35 mm2 flexible
Cross-sectional area (L´)     [max.]	35 mm2 stranded/25 mm2 flexible
For mounting on	35 mm DIN rail acc. to EN 60715
Enclosure material	red thermoplastic, UL 94 V-0
Degree of protection	IP 20
Dimension	2 mods., DIN 4
Type of remote signalling contact	changeover contact
Switching capacity a.c.	250 V/0.5 A
Switching capacity d.c.	250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm2 solid/flexible
PU	1 pcs.
ordering information
Type	DBM 1 760 FM
Part No.	961 175