1461299 PHOENIX CONTACT - Technology Bsa

FLT-MB-T1-264/25-1+1-UT - Type 1+2+3 combined lightning current and surge arresters

Compact, non-pluggable and lightning current/surge arrester free of leakage current based on wear-free carbon spark gap technology for 1-phase power supply networks with separate N and PE (3-conductor system: L1, N, PE), suitable for use in the unmetered area, discharge capacity of up to 100 kA for lightning protection levels I and II.

Cod. Articolo: 1461299 Copia - Copy

Cod. Fornitore: 1461299 Copia - Copy

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Product properties	Product type: Combination type IEC test classification: T1 + T2 + T3 I + II + III EN type: T1 + T2 + T3 IEC power supply system: TN-S TT Type: DIN rail module, one-piece Surge protection fault message: optical Data management status Article revision: 04 Insulation characteristics Overvoltage category: IV Pollution degree: 2
Electrical properties	Nominal frequency f_N: 50 Hz (60 Hz)
Connection data	Connection method: Screw connection Fork-type cable lug Screw thread: M5 Tightening torque: 3 Nm (2,5 mm² ... 16 mm²) 4.5 Nm (25 mm² ... 35 mm²) Stripping length: 18 mm Conductor cross section flexible: 2.5 mm² ... 25 mm² Conductor cross section rigid: 2.5 mm² ... 35 mm² Conductor cross section AWG: 13 ... 2
Dimensions	Dimensional drawing: https://caas.phoenixcontact.com/caas/v1/stable/media/51802/full/b1500?format=jpg Width: 36 mm Height: 89.8 mm Depth: 76.6 mm (incl. DIN rail 7.5 mm) Horizontal pitch: 2 Div.
Material specifications	Color: light gray (RAL 7035) Flammability rating according to UL 94: V-0 CTI value of material: 600 Insulating material: PBT Material group: I Housing material: PBT
Mechanical properties	Mechanical data Open side panel: No
Protective circuit	Mode of protection: L-N L-PE N-PE Nominal voltage U_N: 240 V AC (TN-S) 240 V AC (TT) Nominal frequency f_N: 50 Hz (60 Hz) Maximum continuous voltage U_C: 264 V AC Rated load current I_L: 80 A (< 55 °C) Residual current I_PE: Ã¢Ã¢°¤ 0.01 mA Nominal discharge current I_n (8/20) Ãµs (L-N): 25 kA Nominal discharge current I_n (8/20) Ãµs (L-PE): 25 kA Nominal discharge current I_n (8/20) Ãµs (N-PE): 50 kA Combination wave U_OC: 6 kV Impulse discharge current (10/350) Ãµs (L-N), charge: 12.5 As Impulse discharge current (10/350) Ãµs (L-N), specific energy: 156 kJ/Ã© Impulse discharge current (10/350) Ãµs (L-N), peak current value I_imp: 25 kA Impulse discharge current (10/350) Ãµs (L-PE), charge: 12.5 As Impulse discharge current (10/350) Ãµs (L-PE), specific energy: 156 kJ/Ã© Impulse discharge current (10/350) Ãµs (L-PE), peak current value I_imp: 25 kA Impulse discharge current (10/350) Ãµs (N-PE), charge: 25 As Impulse discharge current (10/350) Ãµs (N-PE), specific energy: 625 kJ/Ã© Impulse discharge current (10/350) Ãµs (N-PE), peak current value I_imp: 50 kA Total discharge current I_total (10/350) Ãµs: 50 kA Follow current quenching capacity I_fi (L-N): 50 kA Follow current interrupt rating I_fi (N-PE): 100 A Short-circuit current rating I_SCCR: 50 kA Voltage protection level U_p (L-N): Ã¢Ã¢°¤ 1.5 kV Voltage protection level U_p (L-PE): Ã¢Ã¢°¤ 2.5 kV Voltage protection level U_p (N-PE): Ã¢Ã¢°¤ 1.5 kV Residual voltage U_res (L-N): Ã¢Ã¢°¤ 1.5 kV (at I_n) Ã¢Ã¢°¤ 1.3 kV (at 12.5 kA) Ã¢Ã¢°¤ 1.1 kV (at 5 kA) Ã¢Ã¢°¤ 1 kV (at 2.5 kA) Residual voltage U_res (L-PE): Ã¢Ã¢°¤ 1.7 kV (at I_n) Ã¢Ã¢°¤ 1.5 kV (at 12.5 kA) Ã¢Ã¢°¤ 1.3 kV (at 5 kA) Ã¢Ã¢°¤ 1.2 kV (at 2.5 kA) Residual voltage U_res (N-PE): Ã¢Ã¢°¤ 1.3 kV (at I_n) Ã¢Ã¢°¤ 1.1 kV (at 25 kA) Ã¢Ã¢°¤ 1 kV (at 10 kA) Ã¢Ã¢°¤ 0.5 kV (at 5 kA) TOV behavior at U_T (L-N): 457 V AC (5 s / withstand mode) 457 V AC (120 min / withstand mode) TOV behavior at U_T (N-PE): 1200 V AC (200 ms / withstand mode) Response time t_A: Ã¢Ã¢°¤ 100 ns Max. backup fuse with V-type through wiring: 80 A (gG) Max. backup fuse with branch wiring: 315 A (gG)
Environmental and real-life conditions	Ambient conditions Degree of protection: IP20 (Installed) Ambient temperature (operation): -40 °C ... 85 °C Ambient temperature (storage/transport): -40 °C ... 85 °C Altitude: Ã¢Ã¢°¤ 5000 m Permissible humidity (operation): 5 % ... 95 % Shock (operation): 2g (Half-sine / 11 ms / 3x Ã±X, Ã±Y, Ã±Z) Vibration (operation): 0,5g (9 Ã¢Ã¢¬¦ 200 Hz / 2.5 h / X, Y, Z)
Standards and regulations	Standards/specifications: IEC 61643-11 EN 61643-11 Note: 2011 2012
Mounting	Mounting type: DIN rail: 35 mm