Uc275V SPD Surge Diverter AC 4P T1+T2 Iimp30kA 120kA/In80kA/Imax160kA for 3-phase TN-S( 4+0 circuit) System Surg Protection
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Summary
BT BCM30 275 RM/4P is for installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in SPD Class I+II (Class B+C) for three-phase TN-S power supply system. Designed according to IEC 61643-11/EN 61643-11/GB18802.11.
Hightlight Features
• Combined lightning current arrester for 3-phase TN-S ( “4+0” circuit) system.
• Single-pole surge protection lightning impulse current to Iimp 30kA.
• Consist of varistors and thermal disconnection devices.
• Double terminal for parallel or series (V-shape) connection.
• Multifunctional connection for conductors and busbar.
• Windows will change to red when fault and also provide remote alarm control at the same time.
Technical data
| 
 Type  | 
 BT BCM30 275 RM/4P  | 
| 
 Nominal voltage (50-60Hz) [UN]  | 
 230V/400V AC  | 
| 
 Rated voltage (max. continuous voltage) [Uc]  | 
 275V AC  | 
| 
 Lightning impulse current (10/350) [Iimp]  | 
 30kA  | 
| 
 Total lightning impulse current (10/350) [total]  | 
 120kA  | 
| 
 Nominal discharge current (8/20) [In]  | 
 80kA  | 
| 
 Max. discharge current (8/20) [Imax]  | 
 160kA  | 
| 
 Voltage protection level at In [Up]  | 
 ≤ 2.1kV  | 
| 
 Response time [tA]  | 
 ≤ 25ns  | 
| 
 TOV voltage  | 
 335V/5sec  | 
| 
 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  | 
 6 mods (144mm)  | 
| 
 Test standards  | 
 IEC 61643-11; EN 61643-11; GB18802.11  | 
| 
 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 BCM30 275 RM/4P  | 
| 
 Art.-No.  | 
 807 342  | 
| 
 Packing unit  | 
 1pc(s)  | 
 









      
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