Industrial Automation
LIT 4-24 - Surge protection device


Product properties | IEC test classification: C1 C2 C3 D1 Type: DIN rail module, one-piece Product type: Surge protection for MCR technology Product family: LINETRAB Insulation characteristics Overvoltage category: III Pollution degree: 2 |
Electrical properties | Nominal voltage UN: 24 VÃDC |
Connection data | Connection method: Screw connection Screw thread: M3 Tightening torque: 0.8 Nm Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross section rigid: 0.2 mm² ... 2.5 mm² Conductor cross section AWG: 24 ... 14 |
Ex data | Maximum inner capacitance Ci: typ. 2.5 nF Max. internal inductance Li: < 1 õH Max. input current Ii: 500 mA (T4 / ââ°¤ 80°C) 500 mA (T5 / ââ°¤ 50°C) 500 mA (T6 / ââ°¤Ã40ðC) Max. input voltage Ui: 36 VÃDC max. input power Pi: 550 mW Maximum inner time factor (Ri/Li): 10 õs |
Dimensions | Dimensional drawing: https://dam-mdc.phoenixcontact.com/rendition/156443151564/2f4c4aec469d9041ac2115310f227a1d/-S204x204-FJPG Width: 6.2 mm Height: 93.1 mm Depth: 102.5 mm (incl. DIN rail 7.5Ãmm) |
Material specifications | Flammability rating according to UL 94: V-0 Insulating material: PBT Housing material: PBT |
Mechanical properties | Mechanical data Open side panel: No |
Protective circuit | Direction of action: Line-Line & Line-Earth Ground Maximum continuous voltage UC: 36 VÃDC 25 VÃAC Rated current: 500 mA (40ðC) Operating effective current IC at UC: ââ°¤ 2 õA Residual current IPE: ââ°¤ 4 õA Nominal discharge current In (8/20) õs (line-line): 250 A Nominal discharge current In (8/20) õs (line-ground): 5 kA Pulse discharge current Iimp (10/350)Ãõs (line-earth): 500 A 2 kA (in total) Total discharge current Itotal (8/20)Ãõs: 20 kA Max. discharge current Imax (8/20) õs maximum (line-line): 250 A Max. discharge current Imax (8/20) õs maximum (line-earth): 10 kA 20 kA (in total) Nominal pulse current Ian (10/1000) õs (line-line): 50 A Nominal pulse current Ian (10/1000) õs (line-earth): 50 A 200 A (in total) Output voltage limitation at 1 kV/õs (line-line) spike: ââ°¤ 60 V Output voltage limitation at 1 kV/õs (line-earth) spike: ââ°¤ 650 V Residual voltage at In (conductor-conductor): ââ°¤ 60 V Residual voltage with Ian (10/1000) õs (line-line): ââ°¤ 60 V Voltage protection level Up (line-line): ââ°¤ 60 V (C1 - 500ÃV / 250ÃA) ââ°¤ 55 V (C3 - 10ÃA) ââ°¤ 55 V (C3 - 50ÃA) Voltage protection level Up (line-earth): ââ°¤ 650 V (C1 - 500ÃV / 250ÃA) ââ°¤ 650 V (C2 - 10 kV / 5 kA) ââ°¤ 650 V (C3 - 10ÃA) ââ°¤ 700 V (C3 - 50ÃA) ââ°¤ 700 V (D1 - 500ÃA) Response time tA (line-line): ââ°¤ 1 ns Response time tA (line-earth): ââ°¤ 100 ns Input attenuation aE, sym.: typ. 0.3 dB (2.4ÃMHz/50Ãé) typ. 0.3 dB (700ÃkHz / 150Ãé) Cut-off frequency fg (3ÃdB), sym. in 50Ãé system: typ. 7.7 MHz Cut-off frequency fg (3ÃdB), sym. in 150Ãé system: typ. 2.5 MHz Capacity: ââ°¤ 1.3 nF (per path) Resistance per path: 0 é Surge protection fault message: none Max. required back-up fuse: 500 mA (T) Impulse durability (line-line): C1 - 500ÃV / 250ÃA C3 - 50ÃA Impulse durability (line-earth): C1 - 500ÃV / 250ÃA C2 - 10ÃkV / 5ÃkA C3 - 50ÃA D1 - 500ÃA Alternating current carrying capacity (line-earth): 5 A - 1 s |
Environmental and real-life conditions | Ambient conditions Degree of protection: IP20 Ambient temperature (operation): -40°C ... 80°C Ambient temperature (storage/transport): -40°C ... 80°C Altitude: ââ°¤ 2000 m (amsl) |
Approvals | Conformity/Approvals ATEX: ïà II 1 G Ex ia IIC T4...T6 ïà II 1 D Ex iaD 20 T85°C...135°C IECEx: Ga Ex ia IIC T4...T6 Ex iaD 20 T85°C...T135°C |
Standards and regulations | Standards/specifications: ENÃ61643-21 ENÃ60079-0 ENÃ60079-11 IEC 60079-0 IEC 60079-11 Note: A2:2013 2018 2012 2017 2011 |
Mounting | Mounting type: DIN rail: 35 mm |
Description other products