B&R X20TB12
Tool-free wiring with push-in technology Simple wire release using lever Ability to label each terminal Plain text labeling also possible Test access for standard probes Can be customer-coded The X20 24 VDC modules are wired using the X20TB06 and X20TB12 terminal blocks.
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
General information
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | Not applicable |
| 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 / DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| Certifications / LR | ENV1 |
| Certifications / KR | Yes |
| Certifications / ABS | Yes |
| Certifications / BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
Terminal block
| Connection cross section / Single-wire | 0.08 to 2.50 mm² / 28 to 14 AWG |
| Connection cross section / Fine-stranded wires | 0.25 to 2.50 mm² / 24 to 14 AWG |
| Connection cross section / With wire end sleeve | 0.25 to 1.50 mm² / 24 to 16 AWG |
| Connection cross section / With double wire end sleeves | Up to 2x 0.75 mm² |
| Distance between contacts / Left - Right | 4.2 mm |
| Distance between contacts / Above - Below | 10.96 mm |
| Number of pins | 12 |
| Type of terminal block | Push-in terminal |
| Push-in force per contact | Typ. 10 N |
| Cable type | Only copper wires (no aluminum wires!) |
| Wire stripping length | 7 to 9 mm |
Electrical properties
| Nominal voltage | 240 VAC / 48 VDC |
| Max. voltage | 300 VAC / 60 VDC |
| Nominal current | 10 A / contact |
| Contact resistance | ≤5 mΩ |
Ambient conditions
| Temperature / Operation | Corresponds to the X20 module used |
| Relative humidity / Operation | Corresponds to the X20 module used |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Manuals
3D CAD models
ECAD / EPLAN
Certificates
- ABS Certificate of Product Design Assessment - X20 IO Series
- Compass Safe Distance Certificate - X20
- E115267 UL Certificate of Compliance X20
- E537419 UL Certificate of Compliance X20
- EU Data Act - X20 IO - Connected Product Information Notice
- EU Declaration ATEX X20
- FTZU 09 ATEX 0083X
- KR Type Approval Certificate MIL39390-AC003 (X20 System)
- Lloyds Register (X20 only)
- RINA Type Approval Certificate - X20 / Power Panel T30
- TAA00000BJ DNV Type Approval Certificate X20
- UK Declaration PLC X20
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.