
STAUBLI 02.0003 BL4N contact bush
STAUBLI 02.0003 is a BL4N contact bush for single-pole, uninsulated round connectors. It belongs to Stäubli's series of industrial plug connections, which provide a simple and robust contact between two conductors.
In practice, it is used when a current connection needs to be made that can be assembled and disassembled without complicated installation. Here, the external thread connection M8x0.75 is used for fastening, and the contact geometry is indicated with ØA 4 mm and ØB 19.5 mm. It is designed for a professional environment where stable contact and low contact resistance are expected, even when requirements are placed on current carrying capacity and short-circuit withstand capability.
The relevant figures tell the same story: contact resistance 200 µΩ, rated current 65 A at 80 °C and 90 A at 150 °C, and short-circuit currents of 1.2 kA for 1 second and 0.9 kA for 3 seconds. The recommended tightening torque is 2.5 Nm. During assembly and service, it is also worth knowing the forces involved in inserting and withdrawing the connection: insertion force 22 N and withdrawal force 15 N.
For the technician, this means a compact contact bush for single-pole power connection, where mechanics and electrical data are clearly defined. The weight is 0.005 kg.
See datasheet from the manufacturer
Specifications
- Manufacturer: STAUBLI
- MPN: 02.0003
- Type: BL4N contact bush
- Contact type: LAIII
- External thread: M8x0.75
- ØA: 4 mm
- ØB: 19.5 mm
- Withdrawal force: 15 N
- Insertion force: 22 N
- Recommended tightening torque: 2.5 Nm
- Rated current at 80 °C: 65 A
- Rated current at 150 °C: 90 A
- Contact resistance: 200 µΩ
- Short-circuit current for 1 s: 1.2 kA
- Short-circuit current for 3 s: 0.9 kA
- Weight: 0.005 kg
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