UT 4 BU is a universal terminal block produced by Neumann, which has screw connection, cross section of 0.14-4 mm², AWG of 26-10, width of 6.2 mm, and blue color.
The UT 4 BU is a universal terminal block with screw connection, designed for conductor cross sections from 0.14 mm² to 4 mm² (flexible) or up to 6 mm² (rigid). It features a blue PA‑insulated housing, UL‑94 V0 fire rating, and is suitable for currents up to 41 A at 1000 V.
Technical data include a width of 6.2 mm, length of 46.9 mm, and various height options (47.5 mm for NS 35/7.5, 55 mm for NS 35/15). The block provides two connection points, a rated surge voltage of 8 kV, and requires a minimum tightening torque of 0.6 Nm for the M3 screw.
| Nominal current (In) | 41 A |
|---|---|
| Nominal voltage (Un) | 1000 V |
| Conductor cross section, flexible max. | 4 mm² |
| Conductor cross section, rigid max. | 6 mm² |
| Number of connections | 2 |
| Width | 6.2 mm |
| Length | 46.9 mm |
| Height (NS 35/7.5) | 47.5 mm |
| Insulating material | PA |
| Inflammability class (UL 94) | V0 |
| Rated surge voltage | 8 kV |
| Minimum tightening torque | 0.6 Nm |
The UT 4 BU terminal block is rated for a nominal current of 41 A.
It can handle a nominal voltage of 1000 V.
The block uses a screw connection.
A minimum tightening torque of 0.6 Nm is recommended.