DEHNguard M TNC 275 3P

SPD according to EN 61643-11 / IEC 61643-11 type 2 / class II
Energy coordination with terminal equipment (≤ 10 m) type 2 + type 3
Nominal voltage (a.c.) (UN ) 230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (UC ) 275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (In ) 20 kA
Max. discharge current (8/20 µs) (Imax ) 40 kA
Voltage protection level (UP ) ≤ 1.5 kV
Voltage protection level at 5 kA (UP ) ≤ 1 kV
Response time (tA ) ≤ 25 ns
Max. mains-side overcurrent protection 125 A gG
Short-circuit withstand capability for max. mains-side overcurrent protection (ISCCR ) 50 kArms
Temporary overvoltage (TOV) (UT) – Characteristic 335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (UT) – Characteristic 440 V / 120 min. – safe failure
Operating temperature range (TU ) -40 °C ... +80 °C
Operating state / fault indication green / red
Number of ports 1
Cross-sectional area (min.) 1.5 mm2 solid / flexible
Cross-sectional area (max.) 35 mm2 stranded / 25 mm2 flexible
For mounting on 35 mm DIN rails acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0
Place of installation indoor installation
Degree of protection IP 20
Capacity 3 module(s), DIN 43880
Approvals KEMA, VDE, UL
Arrester use at 16.7 Hz – traction power supply systems
– Test voltage AC (UC ) 275 V
– Nominal AC voltage (UN ) 230 / 400 V
– Nominal frequency AC (fN ) 16.7 Hz