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The B&R X20DO4331 is a x20 i/o module. The listed technical data shows rated IP20, based on the manufacturer's datasheet. It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| Inputs & Outputs | |
| I/O module | 4 digital outputs 24 VDC for 3-wire connections |
| Other | |
| Module run/error | Yes, using LED status indicator and software |
| Outputs | Yes, using LED status indicator and software (output error status) |
| Bus | 0.16 W |
| Internal I/O | 0.49 W |
| CE | Yes |
| ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| HazLoc | cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| B&R ID code | 0x22B5 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | +0.56 |
| 0 → 1 | <300 µs |
| 1 → 0 | <500 µs |
| Resistive load | Max. 500 Hz |
| Inductive load | See section "Switching inductive loads". |
| Variant | FET current-sinking |
| Nominal voltage | 24 VDC |
| Switching voltage | 24 VDC -15% / +20% |
| Nominal output current | 2 A |
| Total nominal current | 8 A |
| Connection type | 3-wire connections |
| Output circuit | Sink |
| Output protection | Thermal shutdown in the event of overcurrent or short circuit (see value "Short-circuit peak current") Internal freewheeling diode for switching inductive loads (see section "Switching inductive loads") |
| Actuator power supply | 0.5 A in total for output-independent actuator power supply |
| Diagnostic status | Output monitoring with 10 ms delay |
| Leakage current when the output is switched off | 75 µA |
| R DS(on) | 35 mΩ |
| Peak short-circuit current | <24 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown | Approx. 10 ms (depends on the module temperature) |
| Additional functions | Outputs can be connected in parallel to increase the output current. |
| Actuator power supply | Max. 12 W |
| Voltage drop for short-circuit protection at 500 mA | Max. 2 V |
| Short-circuit proof | Yes |
| Electrical isolation | Channel isolated from bus Channel not isolated from channel and I/O power supply |
| Horizontal | Yes |
| 0 to 2000 m | No limitation |
| >2000 m | Reduction of ambient temperature by 0.5°C per 100 m |
| Degree of protection per EN 60529 | IP20 |
| Vertical mounting orientation | -25 to 50°C |
| Derating | See section "Derating". |
| Storage | -40 to 85°C |
| Operation | 5 to 95%, non-condensing |
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5 +0.2 mm |
Model variants, options and firmware revisions can affect fitment. Before ordering the B&R X20DO4331 x20 i/o module, share your existing part number or project requirements and our team will cross-reference comparable in-stock B&R units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
A: Each X20DO4331 is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: In-stock orders placed before 14:00 ship the same business day. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
X20DO4331 · Technical reference data · Independently supplied by SHLY-PLC
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 5–8 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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