B&R 0TB3103-7020
The single row, 3-pin terminal block 0TB3103 is used for making the connection to the X20 motor module MM4456 and other devices.
Lifecycle & replacement
Lifecycle status not indexed
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
Terminal block
| Connection cross section / AWG wire | 22 to 10 AWG |
| Connection cross section / Wire end sleeves with plastic covering | 0.25 to 4 mm² |
| Connection cross section / Single-wire | 0.20 to 6 mm² |
| Connection cross section / Fine-stranded wires | 0.20 to 6 mm² |
| Connection cross section / With wire end sleeve | 0.25 to 6 mm² |
| Note | Multifunction flange for secure, fast and tool-free locking Nominal data per UL |
| Number of pins | 3 |
| Type of terminal block | Screw clamp terminal block variant |
| Cable type | Only copper wires (no aluminum wires!) |
| Pitch | 7.62 mm |
Electrical properties
| Nominal voltage | 600 V |
| Nominal current | 31 A |
| Contact resistance | ≤4.5 mΩ |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
3D CAD models
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.