Product Description

Summary:

For installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I (Class B) for single-phase TT/TN-S power supply system. Designed according to IEC 61643-11; GB/T18802.11.

Features:
*  Combined lightning current arrester for three-phase TT ( “3+1” circuit) system
*  High discharge capacity, quick response
*  Double thermal dis-connector devices, providing more reliable protection
*  Multi-functional connection for conductors and busbar.
*  Double terminal for parallel or series (V-shape) connection.
*  Windows will change to red when fault and also provide remote alarm control at the same time.

Type	BT BM200 275 RM/3+N
Single protection module	L-N Module ( *3 )  BT BM200 275 RM	N-PE Module ( *1 ) BT BNM 255
Nominal voltage [UN]	230V /400V AC
Rated voltage (max. continuous voltage) [Uc]	275V AC	255V AC
Nominal discharge current (8/20) [In]	100kA	100kA
Max. discharge current (8/20) [Imax]	200kA	200kA
Lightning impulse current (10/350) [Iimp]	---	100kA
Voltage protection level at In [Up]	≤ 2.5kV	≤ 2.5kV
Response time [tA]	≤ 25ns	≤ 100ns
TOV voltage	335V/5sec	1200V/200ms
Max. back up fuse [L]	200A gL/gG
Max. back up fuse [L-L’]	125A gL/gG
Operating temperature range [Tu]	-40°C...+80°C
Cross-sectional area	35mm2 solid /50mm2 flexible
Mounting on	35mm DIN rail
Enclosure material	Light grey thermoplastic, UL94-V0
Dimension	8 mods (144mm)
Test standards	IEC 61643-11; EN 61643-11; GB/T18802.11
Certification	CE (LVD, EMC); RoHS
Type of remote signalling contact	Switching contact	---
Switching capacity	AC:250V/0.5A; DC:250V/0.1A;150V/0.2A;750V/0.5A	---
Cross-sectional area for remote signalling contact	Max. 1.5mm2 solid / flexible	---
Ordering information
Type	BT BM200 275 RM/3+N
Art.-No.	806 153
Packing unit	1pc(s)

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