PSM3-20/400 TNC



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Data sheet

Surge Protection Device, Type 2+3, 3 poles, 3 phase Delta, 20kA(8/20),230V TNC, earthing system

Technical Data   Value Units
Commercial data
Code   77707862  
Part Number   PSM3-20/400 TNC  
Status   Available  
EAN   8435297830108  
Tariff code (HS)   8536.30.90  
Product height   90 [mm]
Product width   54 [mm]
Product length   70 [mm]
Product weight   293 [gr]
General data
Internal configuration   3P  
No. poles   3  
No. DIN rail modules   3  
Installation   (L1-L2-L3-PEN)  
Format   Pluggable  
Network configuration   TNC  
Certifications   CE; RCM  
Designation according to EN 61643-11   Type 2+3  
Designation according to IEC 61643-11   Class II+III  
Insulating material & flammability class   PA66 CT1; V-0  
Enclosure   IP 20  
Temperature range   -40 ºC ... +80 ºC  
Technical features
Supply voltage   230 / 400 [V]  
Nominal voltage AC 50-60 Hz (L-L) Un (L-L) 400 [V]
Maximum continuous operating voltage (L-PEN) Uc (L-PEN) 320 [V]
Maximum discharge current (8/20) (L-PEN) Imax (L-PEN) 20 [kA]
Nominal discharge current (8/20) (L-PEN) In (L-PEN) 10 [kA]
Nominal discharge current (8/20) In 10 [kA]
Voltage protection level (L-PEN) at In Up (L-PEN) ≤ 1,4 [kV]
Maximum back-up fuse   80 A [gG]
Combined discharge voltage (1,2/50) Uoc 10 [kV]
Short circuit withstand Isccr 25 [kA]
Response time (L-PEN) tA (L-PEN) 25 [ns]
Remote indication   No  
Visual end of life indication   Yes  
Dynamic thermal disconnection (L-PEN)   Yes