Phoenix Contact UT 10 BU Feed-Through Terminal Block, Screw Connection, 10 mm², Blue

The Phoenix Contact UT 10 BU stands out with its robust screw connection and high current capacity, making it a dependable choice for demanding industrial wiring tasks. Unlike standard terminal blocks, this model accommodates conductors up to 16 mm² and delivers a rated current of 57 A, ensuring secure power distribution in control cabinets and distribution boards.

Highlights

• Rated voltage: 1000 V IEC for versatile use in low-voltage installations
• Wide conductor range: 0.5 mm² to 16 mm² solid or stranded
• Durable polyamide housing with UL 94 V0 flammability rating
• Tool-free mounting on standard DIN rails NS 35/7.5 and NS 35/15
• Operating temperature from -60 °C to +105 °C for harsh environments

In daily use

Installation is straightforward: strip the conductor to 12 mm, insert it into the terminal point, and tighten the M4 screw to a torque of 1.5–1.8 Nm. The blue housing provides clear visual identification, while the compact design saves space on the DIN rail. Two connections per position allow easy daisy-chaining or feed-through wiring.

Full specifications

• Number of connections: 2
• Number of positions: 1
• Connection method: Screw connection
• Mounting type: DIN rail NS 35/7.5, NS 35/15
• Rated voltage (IEC): 1000 V
• Rated current (IEC): 57 A
• Insulating material: PA (Polyamide)
• Flammability rating (UL 94): V0
• Conductor cross section solid: 0.5 - 16 mm²
• Conductor cross section stranded: 0.5 - 16 mm²
• Conductor cross section with ferrule: 0.5 - 10 mm²
• Stripping length: 12 mm
• Screw thread: M4
• Tightening torque: 1.5 - 1.8 Nm
• Operating temperature: -60 °C to 105 °C
• Pollution degree: 3
• Overvoltage category: III
• Standards/Approvals: IEC 60947-7-1, UL, CSA, VDE, EAC

Final note

With its proven screw connection and broad approvals, the UT 10 BU is a reliable component for any professional electrical installation.