B&R X20cDO4633
4 digital outputs Outputs with integrated snubber circuit Outputs with 48 to 240 VAC L switching Zero-crossing detection Phase-angle control Open-circuit detection for each channel Negative half-waves can be switched off 50 Hz or 60 Hz 2-wire connections 240 V coding OSP mode Frequency mode The module is a digital output module with phase-angle control that is equipped with 4 Triac outputs using 2-line connections. The supply (L and N) is fed directly to the module.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 4 digital outputs 48 to 240 VAC for 2-wire connections |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Outputs | Yes, using LED status indicator |
| Power consumption / Bus | 0.6 W |
| Power consumption / Internal I/O | - |
| Power consumption / External I/O | - |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| Certifications / UL | cULus E115267 Industrial control equipment |
| Certifications / HazLoc | cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| B&R ID code | 0xE67D |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | +6.4 |
Digital outputs
| Maximum current / Output current | 1.25 A |
| Maximum current / Summation current | 5 A |
| Phase-angle control / Area | 5 to 95% |
| Phase-angle control / Resolution | 1% |
| Phase-angle control / Accuracy (60 to 240 VAC) | <100 μs |
| Insulation voltages / Channel - Bus | Tested at 1500 VAC |
| Insulation voltages / Channel - Internal I/O | Tested at 2000 VAC |
| Insulation voltages / Channel - Ground | Tested at 1500 VAC |
| Protective circuit / External | See section "External fuses". |
| Protective circuit / Internal | Snubber circuit (RC element) and varistor |
| Variant | Triac |
| Circuit | L-switching |
| Nominal voltage | 48 to 240 VAC |
| Max. voltage | 264 VAC |
| Rated frequency | 47 to 63 Hz |
| Nominal output current | 1 A |
| Total nominal current | 4 A |
| Connection type | 2-wire connections |
| Zero-crossing detection | Yes |
| Minimum holding current IH | 15 mA |
| Leakage current | Max. 2 mA at 240 V at 50 Hz Max. 2.4 mA at 240 V at 60 Hz |
| Residual voltage (on-state voltage) | 1.6 V |
| Voltage monitoring L - N | No |
| Additional functions | Open-circuit detection |
| Overvoltage protection between L and N | Yes |
Electrical properties
| Electrical isolation | Channel isolated from bus and I/O power supply |
Operating conditions
| Mounting orientation / Horizontal | Yes |
| Mounting orientation / Vertical | Yes |
| Installation elevation above sea level / 0 to 2000 m | No limitation |
| Installation elevation above sea level / >2000 m | Not permitted |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation / Horizontal mounting orientation | -25 to 60°C |
| Temperature / Operation / Vertical mounting orientation | -25 to 50°C |
| Temperature / Derating | See section "Derating". |
| Temperature / Starting temperature | Yes, -40°C |
| Temperature / Storage | -40 to 85°C |
| Temperature / Transport | -40 to 85°C |
| Relative humidity / Operation | Up to 100%, condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 1x terminal block X20TB32 separately. Order 1x bus module X20cBM32 separately. |
| Pitch | 25⁺⁰.² mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Manuals
3D CAD models
ECAD / EPLAN
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.