1044388 PHOENIX | Alldatasheet

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Please be informed that the data shown in this PDF document is generated from our online catalog. Please find the complete data in the user documentation. Our general terms of use for downloads are valid. 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). Commercial data Item number 1044388 Packing unit 1 pc Minimum order quantity 1 pc Note Made to order (non-returnable) Product key CL1241 GTIN 4055626620862 Weight per piece (including packing) 633.6 g Weight per piece (excluding packing) 633.6 g Country of origin DE FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 1 (9)

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 type Arrester combination Product family SEC Family I + IIIEC 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 12 V AC ... 250 V ACOperating voltage

125 V DC (200 mA DC)

10 mA AC ... 1 A ACOperating current

1 A DC (30 V DC)

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 FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 2 (9)

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 AWG 28 ... 16 Dimensions Dimensional drawing Width 71.2 mm Height 95.2 mm Depth 74.5 mm Horizontal pitch 4 Div. Material specifications Color (Male connector) light gray (RAL 7035) Color (Base element) gray (RAL 7042) Flammability rating according to UL 94 V-0 CTI value of material 600 PA6.6-FR 20% GFInsulating material PBT-FR Material group I PA 6.6-FR 20 % GFHousing material PBT-FR Mechanical properties Mechanical data Open side panel No Protective circuit L-PEMode of protection L-L Direction of action 2L-PE FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 3 (9)

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 25 kA (264 V AC)Follow current interrupt rating Ifi (L-PE) 3 kA (350 V AC) 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) ≤ 2.8 kV (L1-PE)Voltage protection level Up (L-PE) ≤ 1.5 kV (L2-PE) ≤ 1.5 kV (at In / L1-L2) ≤ 1.2 kV (at 10 kA / L1-L2) ≤ 1 kV (at 5 kA / L1-L2) Residual voltage Ures (L-L) ≤ 0.9 kV (at 3 kA / L1-L2) ≤ 2.8 kV (at In / L1-PE) ≤ 2.4 kV (at 10 kA / L1-PE) ≤ 2 kV (at 5 kA / L1-PE) ≤ 1.8 kV (at 3 kA / L1-PE) ≤ 1.5 kV (at In / L2-PE) ≤ 1.2 kV (at 10 kA / L2-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) Environmental and real-life conditions 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) FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 4 (9)

Standards/specifications IEC 61643-11 Note 2011 EN 61643-11 Standards/specifications EN 61643-11 Note 2012 Mounting Mounting type DIN rail: 35 mm FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 5 (9)

74,567 95,2 71,2 Circuit diagram PE L1 12 14 11 FM FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 6 (9)

To download certificates, visit the product detail page: https://www.phoenixcontact.com/us/products/1044388 UAE-RoHS Approval ID: 23-10-88887 FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 7 (9)

ECLASS-13.0 27171204 ETIM ETIM 9.0 EC001457 UNSPSC UNSPSC 21.0 39121600 FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 8 (9)

Environmental product compliance EU RoHS Fulfills EU RoHS substance requirements Yes, No exemptions China RoHS EFUP-EEnvironment friendly use period (EFUP) No hazardous substances above the limits EU REACH SVHC REACH candidate substance (CAS No.) No substance above 0.1 wt% Phoenix Contact 2025 © - all rights reserved https://www.phoenixcontact.com Phoenix Contact USA

586 Fulling Mill Road

Middletown, PA 17057, United States (+717) 944-1300 info@phoenixcon.com FLT-SEC-T1+T2-2IT-350/25-FM - Type 1+2 special combined lightning current and surge arrester 1044388 https://www.phoenixcontact.com/us/products/1044388 Mar 27, 2025, 12:22 AM Page 9 (9)