| Item no. | 750-438 |
| Description | 2-channel digital input; NAMUR; Intrinsically safe |
| GTIN / EAN | 4045454725525 |
| Increase in order quantity | (1, 2, 3, 4, ...) |
| Customs Tariff no. | 85389099990 |
| Customs duty for the country of origin | DE |
| Manufacturer | WAGO |
| Number of digital inputs | 2 |
| Total number of channels (module) | 2 |
| Type of signal | NAMUR |
| Sensor supply voltage | 8.2 V DC; short-circuit-protected, isolated channels |
| Sensor connection | 2 x (2-conductor) |
| Input characteristic | high-side switching |
| Input filter (digital) [ms] | 3 ms |
| Open-circuit voltage [V] | DC 8.2 V |
| Short-circuit current | ≤ 8.2mA |
| Signal current (0) NAMUR [mA] | 1.2 mA |
| Signal current (1) NAMUR [mA] | 2.1 mA |
| Switching hysteresis [mA] | 0.2 mA |
| Contact resistance max. [Ω] | 1000 Ω |
| Input pulse duration [ms] | ≥5 ms |
| Input pulse separation [ms] | ≥3 ms |
| Power consumption Pmax. | 0.4 W |
| Max. input data width (internal) [Bit] | 2 Bit |
| Intrinsic safety Ex i | yes |
| System supply voltage | DC 5 V; via data contacts |
| Current consumption, system supply [mA] | 2.5 mA |
| Current consumption, field supply (module with no external l | 16 mA |
| Power loss PV | 0.27 W |
| Isolation | 300 VAC system/supply |
| Number of incoming power jumper contacts | 2 |
| Number of outgoing power jumper contacts | 2 |
| Current carrying capacity of the power jumper contacts [A] | 1 A |
| Ex guideline | EN/IEC 60079-0, -7, -11, -26, -31 |
| Reactances Ex ia IIC | Lo = 190 mH; Co = 1.4 µF |
| Reactances Ex ia IIB | Lo = 600 mH; Co = 9 µF |
| Ex ia IIA reactances | Lo = 1 H; Co = 36 μF |
| Reactances Ex ia I | Lo = 1 H; Co = 38 µF |
| Marking | ATEX, IECEx, INMETRO, Underwriters Laboratories Inc. |
| Connection technology: inputs/outputs | 8 x CAGE CLAMP® |
| Connection type (1) | Inputs/Outputs |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 14 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 14 AWG |
| Strip length | 8 … 9 mm / 0.31 … 0.35 Inch |
| Width | 12 mm / 0.472 in |
| Height | 67.8 mm / 2.669 in |
| Height from upper-edge of DIN-35 rail | 60.6 mm / 2.386 in |
| Depth | 100 mm / 3.937 in |
| Type of mounting | DIN-35 rail |
| Color | blue |
| Housing material | Polycarbonate, polyamide 6.6 |
| Weight [g] | 44.1 g |
| Conformity marking | CE |
| Surrounding air (operating) temperature | 0 … 55 °C |
| Surrounding air (storage) temperature | -40 … 85 °C |
| Degree of protection | IP20 |
| Degree of pollution (5) | 2 per IEC 61131-2 |
| Operating altitude | 0 … 2000 m |
| Mounting position | horizontal (standing/lying) or vertical |
| Relative air humidity (no condensation) [%] | 95 % |
| Vibration resistance | 4g per IEC 60068-2-6 |
| Shock resistance | 15g per IEC 60068-2-27 |
| EMC immunity to interference | acc. to EN 61000-6-2, marine applications |
| EMC emission of interference | acc. to EN 61000-6-3, marine applications |
| Exposure to pollutants | Per IEC 60068-2-42 and IEC 60068-2-43 |
| Permissible H2S contaminant concentration at a re | 10 ppm |
| Permissible SO2 contaminant concentration at a re | 25 ppm |
| Packaging type | BOX |
| Product Family | 750/753 Series I/O-System |
| Main product function | Digital input |
| Product type | Intrinsically safe modules (Ex i) |
| [mm] | 12 mm |
