FLT-SEC-T1+T2-1C-350/25-FM Surge protection Type 1+2 3Phase 25kA/Pole (10/350)

Type 1+2 special combined lightning current and surge arrester - FLT-SEC-T1+T2-1C-350/25-FM - 2905465


Plug-in lightning and surge arrester combination, in accordance with Type 1+2/Class I+II, for 1-phase power supply networks, with combined PE and N installed in one conductor (L1, PEN).

Ambient conditions
Degree of protection IP20 (only when all terminal points are used)
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %
Shock (operation) 30g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation) 5g (5 - 500 Hz/2.5 h/X, Y, Z)

General
IEC test classification I + II
I
T1 + T2
T1
EN type T1 + T2
T1
IEC power supply system TN-C
TT
Mode of protection L-PEN
Mounting type DIN rail: 35 mm
Color light grey RAL 7035
traffic grey A RAL 7042
Housing material PA 6.6-FR 20 % GF
PBT-FR
Degree of pollution 2
Flammability rating according to UL 94 V-0
Type DIN rail module, two-section, divisible
Number of positions 1
Surge protection fault message Optical, remote indicator contact

Protective circuit
Nominal voltage UN 240 V AC (TN-C)
240 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 350 V AC
Rated load current IL 125 A (< 55 °C)
Nominal discharge current In (8/20) µs 25 kA
Impulse discharge current (10/350) µs, charge 12.5 As
Impulse discharge current (10/350) µs, specific energy 160 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 25 kA
Follow current interrupt rating Ifi 25 kA (264 V AC)
3 kA (350 V AC)
Short-circuit current rating ISCCR 25 kA (264 V AC)
3 kA (350 V AC)
Voltage protection level Up ≤ 1.5 kV
Residual voltage Ures ≤ 1.5 kV (at In)
≤ 1.2 kV (at 10 kA)
≤ 1 kV (at 5 kA)
≤ 0.9 kV (at 3 kA)
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 1.5 kV
TOV behavior at UT 415 V AC (5 s / withstand mode)
457 V AC (120 min / safe failure mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 125 A (gG)
Max. backup fuse with branch wiring 315 A (gG)

Additional technical data
Maximum discharge current Imax (8/20) µs 100 kA
Indicator/remote signaling
Switching function Changeover contact
Operating voltage 12 V AC ... 250 V AC
125 V DC (200 mA DC)
Operating current 10 mA AC ... 1 A AC
1 A DC (30 V DC)
Connection method Plug-in/screw connection via COMBICON
Screw thread M2
Tightening torque 0.25 Nm
Stripping length 7 mm
Conductor cross section flexible 0.14 mm² ... 1.5 mm²
Conductor cross section solid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 28 ... 16

Connection data
Connection method Screw connection
Screw thread M5
Tightening torque 4.5 Nm
Stripping length 18 mm
Conductor cross section flexible 2.5 mm² ... 35 mm²
Conductor cross section solid 2.5 mm² ... 35 mm²
Conductor cross section AWG 13 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 16 mm²

Download datasheet


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