Lightning Protection Products

DEHNbloc Maxi DBM 1 255 L

Product No:Pro200963134432
Product Model:DEHNbloc Maxi DBM 1 255 L
UpdateTime:
Views:1744

Details:

DEHNbloc Maxi DBM 1 255 L
DEHNbloc Maxi 1 255 (L) Dimension drawing DBM 1 255 L Basic circuit diagram DBM 1 255 L
DBM 1 255 (L): Coordinated single-pole lightning current arrester with high follow current limitation for UC = 255 V; available with operating state indicator (L
DBM 1 255 | |||||||||||||||||||
SPD according to EN 61643-11 | Type 1 | ||||||||||||||||||
SPD according to IEC 61643-1 | Class I | ||||||||||||||||||
Max. continuous operating a.c. voltage [UC] | 255 V | ||||||||||||||||||
Lightning impulse current (10/350 µs) [Iimp] | 50 kA | ||||||||||||||||||
Nominal discharge current (8/20 µs) [In] | 50 kA | ||||||||||||||||||
Voltage protection level [UP] | ≤ 2.5 kV | ||||||||||||||||||
Voltage protection level - residual voltage [UP @8/20] | ≤ 2.5 kV | ||||||||||||||||||
Voltage protection level - sparkover voltage [UP @1,2/50] | ≤ 1 kV | ||||||||||||||||||
Follow current extinguishing capability a.c. [Ifi] | 50 kArms | ||||||||||||||||||
Follow current limitation / Selectivity | no tripping of a 32 A gL/gG fuse up to 50 kArms (prosp.) | ||||||||||||||||||
Response time [tA] | ≤ 100 ns | ||||||||||||||||||
Max. backup fuse (L) up to IK = 25 kArms (ta ≤ 0.2 s) | 500 A gL/gG | ||||||||||||||||||
Max. backup fuse (L) for IK > 50 kArms | 200 A gL/gG | ||||||||||||||||||
Max. backup fuse (L-L) | 125 A gL/gG | ||||||||||||||||||
Temporary overvoltage (TOV) [UT] | 335 V / 5 sec. | ||||||||||||||||||
Operating temperature range (parallel connection) [TUP] | -40°C...+80°C | ||||||||||||||||||
Operating temperature range (series connection) [TUS] | -40°C...+60°C | ||||||||||||||||||
Cross-sectional area (L, L, N/PEN, N/PEN) [min.] | 10 mm2 solid/flexible | ||||||||||||||||||
Cross-sectional area (L, N/PEN) [max.] | 50 mm2 stranded/35 mm2 flexible | ||||||||||||||||||
Cross-sectional area (L, N/PEN) [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 | ||||||||||||||||||
PU | 1 pcs. | ||||||||||||||||||
ordering information | |||||||||||||||||||
Type | DBM 1 255 | ||||||||||||||||||
Part No. | 900 025 |