Official DistributorSKU
MPN
FLT-SEC-T1+T2-3IT-350/25-FM
Weight
1.269 kg
Series FLT-SEC-T
FLT-SEC-T1+T2-3IT-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 3-phase power supply networks in isolated operation with separate N and PE (L1, L2, L3, N, PE).
Technical Specifications
General
| Note | Usable in all low-voltage systems between L-N or L-PEN.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 |
| Number of Positions | 4 |
| 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 | 142.4 mm |
| Height | 95.2 mm |
| Depth | 74.5 mm |
| Horizontal pitch | 8 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-N |
| Mode of protection | L-PE |
| Mode of protection | N-PE |
| Direction of action | 3L-N & N-PE |
| Nominal voltage UN | 240/415 V AC (IT) |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous voltage UC | 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 | 25 kA (264 V AC) |
| Follow current interrupt rating Ifi | 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-N) | ≤ 1.5 kV |
| Voltage protection level Up (L-PE) | ≤ 2.8 kV |
| Voltage protection level Up (N-PE) | ≤ 1.5 kV |
| Residual voltage Ures (L-N) | ≤ 1.5 kV (at In) |
| Residual voltage Ures (L-N) | ≤ 1.2 kV (at 10 kA) |
| Residual voltage Ures (L-N) | ≤ 1 kV (at 5 kA) |
| Residual voltage Ures (L-N) | ≤ 0.9 kV (at 3 kA) |
| Residual voltage Ures (L-PE) | ≤ 2.8 kV (at In) |
| Residual voltage Ures (L-PE) | ≤ 2.4 kV (at 10 kA) |
| Residual voltage Ures (L-PE) | ≤ 2 kV (at 5 kA) |
| Residual voltage Ures (L-PE) | ≤ 1.8 kV (at 3 kA) |
| Residual voltage Ures (N-PE) | ≤ 1.5 kV (at In) |
| Residual voltage Ures (N-PE) | ≤ 1.2 kV (at 10 kA) |
| Residual voltage Ures (N-PE) | ≤ 1 kV (at 5 kA) |
| Residual voltage Ures (N-PE) | ≤ 0.9 kV (at 3 kA) |
| TOV behavior at UT (L-N) | 415 V AC (5 s / withstand mode) |
| TOV behavior at UT (L-N) | 440 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) |
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
CLIPFIX 35 - Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
X-PEN 0,35 - Marker pen without ink cartridge, for manual labeling of markers, labeling extremely wipe-proof, line thickness 0.35 mm
Why Proax for Phoenix Contact 1044386?
Proax is an authorized distributor of Phoenix Contact 1044386 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Pack Size | 1 |
Recommended
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FLT-SEC-T1+T2-3C-350/25-FM - Plug-in lightning and surge arrester combination, in accordance with Type 1+2/Class I+II, for 3-phase power supply networks, with combined PE and N installed in one conductor (L1, L2, L3, PEN).
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FLT-SEC-T1+T2-1S-350/25-FM - Plug-in lightning and surge arrester combination, in accordance with Type 1+2/Class I+II, for 1-phase power supply networks, with separate N and PE (L1, PE, N).
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FLT-SEC-P-T1-3C-350/25-FM - Plug-in lightning current arrester, in accordance with Type 1/Class I, for 3-phase power supply networks, with combined PE and N installed in one conductor (L1, L2, L3, PEN).
FLT-SEC-P-T1-3C-264/50-FM - Plug-in lightning current arrester, in accordance with Type 1/Class I, for 3-phase power supply networks, with combined PE and N installed in one conductor (L1, L2, L3, PEN).
FLT-SEC-P-T1-1S-350/25-FM - Plug-in lightning current arrester, in accordance with Type 1/Class I, for 1-phase power supply networks with separate N and PE (L1, PE, N).
FLT-SEC-P-T1-1S-264/50-FM - Plug-in lightning current arrester, in accordance with Type 1/Class I, for 1-phase power supply networks with separate N and PE (L1, PE, N).
