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

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