
SKU
MPN
FLT-SEC-T1+T2-2IT-350/25-FM
Weight
0.634 kg
Series FLT-SEC-T
FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester
Plug-in lightning and surge protective device combination, in accordance with Type 1+2 / Class I+II, for 2-phase power supply networks in isolated operation (L1, L2, PE).
Technical Specifications
General
Note | Only usable in IT Systems between L-PE, if the exposed-conductive-parts (bodies) of the equipment of the low-voltage installation is connected to the earthing arrangement of the transformer substation (interconnected earthing arrangement of the HV-transformer substation with the bodies of the LV-installation. RE = RA accordance to IEC 60364-4-442 / VDE 0100-442 Fig. 44D / Example a). |
Product properties
Product family | SEC Family |
IEC test classification | I + II |
IEC test classification | T1 + T2 |
EN type | T1 + T2 |
IEC power supply system | IT |
Type | DIN rail module, two-section, divisible |
Surge protection fault message | Optical, remote indicator contact |
Insulation characteristics
Overvoltage category | III |
Pollution degree | 2 |
Electrical properties
Nominal frequency fN | 50 Hz (60 Hz) |
Indicator/remote signaling
Connection name | Remote fault indicator contact |
Switching function | Changeover contact |
Operating Voltage | 12 V AC ... 250 V AC |
Operating Voltage | 125 V DC (200 mA DC) |
Operating current | 10 mA AC ... 1 A AC |
Operating current | 1 A DC (30 V DC) |
Connection data
Connection Method | Screw terminal blocks |
Screw thread | M5 |
Tightening torque | 4.5 Nm |
Stripping length | 18 mm |
Conductor cross section flexible | 2.5 mm² ... 35 mm² |
Conductor cross section rigid | 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 |
Remote fault indicator contact
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 rigid | 0.14 mm² ... 1.5 mm² |
Conductor cross section AWG | 28 ... 16 |
Dimensions
Width | 71.2 mm |
Height | 95.2 mm |
Depth | 74.5 mm |
Horizontal pitch | 4 Div. |
Material specifications
Color (Male connector) | light grey (RAL 7035) |
Color (Base element) | gray (RAL 7042) |
Flammability rating according to UL 94 | V-0 |
CTI value of material | 600 |
Insulating material | PA6.6-FR 20% GF |
Insulating material | PBT-FR |
Material group | I |
Housing Material | PA 6.6-FR 20 % GF |
Housing Material | PBT-FR |
Mechanical data
Open side panel | No |
Protective circuit
Mode of protection | L-PE |
Mode of protection | L-L |
Direction of action | 2L-PE |
Nominal voltage UN | 240 V AC (IT) |
Nominal frequency fN | 50 Hz (60 Hz) |
Maximum continuous operating voltage UC (L-PE) | 350 V AC |
Rated load current IL | 125 A (< 55 °C) |
Residual current IPE | ≤ 0.5 mA |
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 (L-PE) | 25 kA (264 V AC) |
Follow current interrupt rating Ifi (L-PE) | 3 kA (350 V AC) |
Short-circuit current rating ISCCR | 25 kA (264 V AC) |
Short-circuit current rating ISCCR | 3 kA (350 V AC) |
Voltage protection level Up (L-L) | ≤ 1.5 kV (L1-L2) |
Voltage protection level Up (L-PE) | ≤ 2.8 kV (L1-PE) |
Voltage protection level Up (L-PE) | ≤ 1.5 kV (L2-PE) |
Residual voltage Ures (L-L) | ≤ 1.5 kV (at In / L1-L2) |
Residual voltage Ures (L-L) | ≤ 1.2 kV (at 10 kA / L1-L2) |
Residual voltage Ures (L-L) | ≤ 1 kV (at 5 kA / L1-L2) |
Residual voltage Ures (L-L) | ≤ 0.9 kV (at 3 kA / L1-L2) |
Residual voltage Ures (L-PE) | ≤ 2.8 kV (at In / L1-PE) |
Residual voltage Ures (L-PE) | ≤ 2.4 kV (at 10 kA / L1-PE) |
Residual voltage Ures (L-PE) | ≤ 2 kV (at 5 kA / L1-PE) |
Residual voltage Ures (L-PE) | ≤ 1.8 kV (at 3 kA / L1-PE) |
Residual voltage Ures (L-PE) | ≤ 1.5 kV (at In / L2-PE) |
Residual voltage Ures (L-PE) | ≤ 1.2 kV (at 10 kA / L2-PE) |
Residual voltage Ures (L-PE) | ≤ 1 kV (at 5 kA / L2-PE) |
Residual voltage Ures (L-PE) | ≤ 0.9 kV (at 3 kA / L2-PE) |
TOV behavior at UT (L-PE) | 415 V AC (5 s / withstand 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) |
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) |
Permissible humidity (operation) | 5 % ... 95 % |
Shock (operation) | 25g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z) |
Vibration (Operation) | 5g (5 - 500 Hz/2.5 h/X, Y, Z) |
Standards and Regulations
Standards/specifications | IEC 61643-11 |
Note | 2011 |
EN 61643-11
Standards/specifications | EN 61643-11 |
Note | 2012 |
Mounting
Mounting Type | DIN rail: 35 mm |
Accessories
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Additional Information
Pack Size | 1 |
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