产品关键词：能量协调雷电流保护器，DEHNbloc Maxi S，DEHNgap Maxi，DBM 1 255 S

安装于汇排流中，内置后备熔丝的能量协调雷电流保护器。

复合火花间隙和后备熔丝，可直接安装于PEN/N汇排流。

技术参数：

	DBM 1 255 S
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]	25 kA
Nominal discharge current (8/20 µs)     [In]	25 kA
Voltage protection level     [UP]	≤ 2.5 kV (includes 80 cm connecting cable)
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
Short-circuit withstand capability	100 kArms (220 kApeak)
Temporary overvoltage (TOV)     [UT]	335 V / 5 sec.
Operating temperature range (parallel connection)     [TUP]	-40°C...+80°C
For mounting on	PEN / N busbar min. 35 mm2
Connection	by cable lug min. 35 mm2/max. 50 mm2
Enclosure material	red thermoplastic, UL 94 V-0
Dimension (W x H x D)	72 x 89 x 100 mm
Operation indicator	by optical fibres via DSI E 3
PU	1 pcs.

DEHNgap Maxi 1 255 S

安装于汇流排中，内置后被熔丝的能量协调N-PE雷电流保护器。

根据IEC 60364-5-53，专用于TT系统，在中线（N线）与保护线（PE线）之间的“3+1”和“1+1”保护电路。