2804623
Official DistributorSKU
PHX2804623
MPN
LIT 2X2-24
Weight
0.074 kg
Series LIT
LIT 2X2-24 - Surge protection device
Surge protection in a one-piece 6.2 mm wide DIN rail module for two floating signal circuits in 2-conductor technology. Tested in accordance with the following types of protection in Ex areas: Ex ia IIC / Ex iaD. HART-compatible.
- Space saving with a narrow overall width of just 6 mm
- Cost-optimized with tailored product features
- Universal use with extended nominal voltage range
Technical Specifications
Product properties
| Product family | LINETRAB |
| IEC test classification | C1 |
| IEC test classification | C2 |
| IEC test classification | C3 |
| IEC test classification | D1 |
| Type | DIN rail module, one-piece |
| Wire pairs per module | 2 |
Insulation characteristics
| Overvoltage category | III |
| Pollution degree | 2 |
Electrical properties
| Nominal voltage UN | 24 V DC |
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. 1.3 nF |
| Max. internal inductance Li | < 1 µH |
| Max. input current Ii | 350 mA (T4 / ≤ 80°C) |
| Max. input current Ii | 200 mA (T5 / ≤ 50 °C) |
| Max. input current Ii | 150 mA (T6 / ≤ 40 °C) |
| Max. input voltage Ui | 36 V DC |
| max. input power Pi | 3.00 W |
| Maximum inner time factor (Ri/Li) | 0.2 µs |
Dimensions
| Width | 6.2 mm |
| Height | 93.1 mm |
| Depth | 102.5 mm (incl. DIN rail 7.5 mm) |
Material specifications
| Color | anthracite grey (RAL 7016) |
| Flammability rating according to UL 94 | V-0 |
| Insulating material | PBT |
| Housing Material | PBT |
Mechanical data
| Open side panel | No |
Protective circuit
| Direction of action | Line-Line & Line-Earth Ground |
| Maximum continuous voltage UC | 36 V DC |
| Maximum continuous voltage UC | 25 V AC |
| Rated current | 350 mA (40 °C) |
| Operating effective current IC at UC | ≤ 2 µA |
| Residual current IPE | ≤ 4 µA |
| Nominal discharge current In (8/20) µs (line-line) | 5 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 5 kA |
| Pulse discharge current Iimp (10/350) µs (line-earth) | 500 A |
| Pulse discharge current Iimp (10/350) µs (line-earth) | 2 kA (in total) |
| Total discharge current Itotal (8/20) µs | 20 kA |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 20 kA (in total) |
| Nominal pulse current Ian (10/1000) µs (line-line) | 50 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 50 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 200 A (in total) |
| Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 60 V |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 650 V |
| Residual voltage at In (conductor-conductor) | ≤ 70 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 50 V |
| Voltage protection level Up (line-line) | ≤ 70 V (C2 - 10 kV / 5 kA) |
| Voltage protection level Up (line-line) | ≤ 50 V (C3 - 10 A) |
| Voltage protection level Up (line-line) | ≤ 55 V (C3 - 50 A) |
| Voltage protection level Up (line-line) | ≤ 80 V (D1 - 500 A) |
| Voltage protection level Up (line-earth) | ≤ 650 V (C1 - 500 V / 250 A) |
| Voltage protection level Up (line-earth) | ≤ 700 V (C2 - 10 kV / 5 kA) |
| Voltage protection level Up (line-earth) | ≤ 650 V (C3 - 10 A) |
| Voltage protection level Up (line-earth) | ≤ 700 V (C3 - 50 A) |
| Voltage protection level Up (line-earth) | ≤ 700 V (D1 - 500 A) |
| Response time tA (line-line) | ≤ 1 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Input attenuation aE, sym. | typ. 0.7 dB (1 MHz/50 Ω) |
| Input attenuation aE, sym. | typ. 0.3 dB (350 kHz/150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 50 Ω system | typ. 6 MHz |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 2 MHz |
| Capacity | ≤ 1.3 nF (per channel) |
| Resistance per path | 3.3 Ω ±20 % |
| Surge protection fault message | none |
| Max. required back-up fuse | 315 mA (T) |
| Impulse durability (line-line) | C2 - 10 kV / 5 kA |
| Impulse durability (line-line) | C3 - 50 A |
| Impulse durability (line-line) | D1 - 500 A |
| Impulse durability (line-earth) | C1 - 500 V / 250 A |
| Impulse durability (line-earth) | C2 - 10 kV / 5 kA |
| Impulse durability (line-earth) | C3 - 50 A |
| Impulse durability (line-earth) | D1 - 500 A |
| Alternating current carrying capacity (line-earth) | 5 A - 1 s |
Ambient conditions
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -40 °C ... 80 °C |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m (amsl) |
Conformity/Approvals
| ATEX | II 1 G Ex ia IIC T4...T6 |
| ATEX | II 1 D Ex iaD 20 T85°C...135°C |
| IECEx | Ga Ex ia IIC T4...T6 |
| IECEx | Ex iaD 20 T85 °C...T135 °C |
Standards and Regulations
| Standards/specifications | EN 61643-21 |
| Note | A2:2013 |
| Standards/specifications | EN 60079-0 |
| Note | 2018 |
| Standards/specifications | EN 60079-11 |
| Note | 2012 |
| Standards/specifications | IEC 60079-0 |
| Note | 2017 |
| Standards/specifications | IEC 60079-11 |
| Note | 2011 |
Mounting
| Mounting Type | DIN rail: 35 mm |
Accessories
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Additional Information
| Pack Size | 10 |
