Phoenix 3075731 UTI 35 BU Installation Terminal Block - Blue, 35 mm², 125 A, 1000 V, Screw Connection, DIN Rail Mount

In industrial control panels and power distribution systems, reliable high-current connections are critical. The Phoenix 3075731 UTI 35 BU installation terminal block provides a robust screw connection for conductors up to 35 mm², ensuring secure and maintenance-free wiring in demanding environments.

Who is it for

This terminal block is ideal for panel builders, electrical installers, and maintenance technicians working with high-current circuits in industrial machinery, building automation, and energy distribution. It suits applications requiring a compact, DIN rail mountable solution with high voltage and current ratings.

Main features

• High current capacity: 125 A (IEC) and 115 A (UL) for demanding loads
• Wide conductor range: 6–50 mm² solid, 6–35 mm² stranded, 10–2 AWG
• Screw connection with M6 thread and 3.5–4 Nm tightening torque for reliable clamping
• Blue polyamide housing, UL 94 V0 flammability rated, operating temperature -60°C to 105°C
• Mounts on standard DIN rails NS 35/7.5 and NS 35/15

Specifications

• Brand: Phoenix Contact
• Model: UTI 35 BU
• MPN: 3075731
• EAN: 4046356518048
• Connection method: Screw connection
• Number of connections: 2
• Number of positions: 1
• Nominal cross section: 35 mm²
• Nominal voltage (IEC): 1000 V
• Nominal current (IEC): 125 A
• Nominal voltage (UL): 600 V
• Nominal current (UL): 115 A
• Colour: Blue
• Insulating material: PA (Polyamide)
• Flammability rating: V0 (UL 94)
• Mounting type: DIN rail NS 35/7.5, NS 35/15
• Stripping length: 18 mm
• Screw thread: M6
• Tightening torque: 3.5 - 4 Nm
• Conductor cross section solid: 6 - 50 mm²
• Conductor cross section stranded: 6 - 35 mm²
• Conductor cross section AWG: 10 - 2 AWG
• Operating temperature: -60 °C to 105 °C
• Pollution degree: 3

Tips

For optimal performance, use ferrules on stranded conductors and torque the screws to the specified range. Ensure the DIN rail is properly grounded and the terminal block is not exposed to excessive vibration. This terminal block is part of the Phoenix UTI series, known for its reliability in high-current applications.