B&R 0TB2105.4121-01
Accessory terminal block, 5-pin, AX1, cage clamp terminal block 2.5 mm²
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.
Servo amplifiers, motors, encoders and cables are matched sets. If this part is no longer available in its original form, the manufacturer's newer generation usually will not pair with the rest of the axis, so an upgrade normally covers the drive, motor and cables together. Send us the nameplate details and we will confirm availability of an exact spare or scope a compatible upgrade.
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 | 26 to 12 AWG |
| Connection cross section / Wire end sleeves with plastic covering | 0.20 to 1.50 mm² |
| Connection cross section / Single-wire | 0.20 to 2.50 mm² |
| Connection cross section / Fine-stranded wires | 0.20 to 2.50 mm² |
| Connection cross section / With wire end sleeve | 0.20 to 2.50 mm² |
| Note | Nominal data per UL |
| Number of pins | 5 |
| Type of terminal block | Cage clamp terminal block variant |
| Cable type | Only copper wires (no aluminum wires!) |
| Coding | AX1 |
| Pitch | 5.08 mm |
Electrical properties
| Nominal voltage | 300 V |
| Nominal current | 15 A / contact |
| Contact resistance | ≤5 mΩ |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Certificates
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.