B&R X20DO4649
4 digital outputs Relay module for 240 VAC / 30 VDC 4 normally open contacts Single-channel isolated outputs This module is equipped with 4 relay outputs with normally open contacts for 240 VAC / 30 VDC. The outputs are single-channel isolated.
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
Short description
| I/O module | 4 digital outputs 30 VDC / 240 VAC, outputs single-channel isolated |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Outputs | Yes, using LED status indicator |
| Power consumption / Bus | 0.8 W |
| Power consumption / Internal I/O | - |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| 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 |
| Certifications / DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| Certifications / CCS | Yes |
| Certifications / LR | ENV1 |
| Certifications / KR | Yes |
| Certifications / ABS | Yes |
| Certifications / BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
| Certifications / KC | Yes |
| B&R ID code | 0xA704 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | +1.5 |
Digital outputs
| Switching delay / 0 → 1 | ≤10 ms |
| Switching delay / 1 → 0 | ≤10 ms |
| Insulation voltages / Channel - Bus | Tested at 2300 VAC |
| Insulation voltages / Channel - Channel | Tested at 750 VAC |
| Service life / Electrical | Min. 5 x 10⁴ ops. (NO) at 5 A |
| Service life / Mechanical | Min. 2 x 10⁷ ops |
| Switching capacity / Minimum | 0.05 W / 2.4 VA |
| Switching capacity / Maximum | 150 W / 1250 VA |
| Protective circuit / External / AC | RC combination or VDR |
| Protective circuit / External / DC | Inverse diode, RC combination or VDR |
| Protective circuit / Internal | None |
| Variant | Relay / Normally open contact Channels are single-channel isolated. |
| Nominal voltage | 30 VDC / 240 VAC |
| Max. voltage | 264 VAC |
| Switching voltage | Max. 110 VDC / 264 VAC |
| Rated frequency | DC / 45 to 63 Hz |
| Nominal output current | 5 A at 30 VDC / 5 A at 240 VAC |
| Total nominal current | 10 A at 30 VDC / 10 A at 240 VAC |
| Actuator power supply | External |
| Inrush current | Max. 5 A (per channel) |
| Contact resistance | Max. 100 mΩ |
Electrical properties
| Electrical isolation | Channel isolated from channel, 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 / Storage | -40 to 85°C |
| Temperature / Transport | -40 to 85°C |
| Relative humidity / Operation | 5 to 95%, non-condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5⁺⁰.² mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Manuals
ECAD / EPLAN
Certificates
- 2226379 CSA Certificate of Compliance X20 X67
- 64331_A1 BV Certificate of Compliance X20
- 64331_A1 BV Certificate of Compliance X20(de)
- ABS Certificate of Product Design Assessment - X20 IO Series
- CCS Type Approval Certificate - X20
- E115267 UL Certificate of Compliance X20
- EU Data Act - X20 IO - Connected Product Information Notice
- EU Declaration ATEX X20
- EU Declaration of conformity PLC X20
- FTZU 09 ATEX 0083X
- KR Type Approval Certificate MIL39390-AC003 (X20 System)
- Lloyds Register (X20 only)
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.