Phoenix Contact UTN 4 Neutral Disconnect Terminal Block, Screw Connection, 0.14-6 mm², Gray

Rated for surge voltages up to 6 kV and a wide operating temperature range from -60 °C to 105 °C, the Phoenix Contact UTN 4 neutral disconnect terminal block delivers robust performance in demanding industrial environments. This gray terminal block features a screw connection and accepts conductors from 0.14 mm² to 6 mm² (solid) or 4 mm² (stranded), with AWG sizes 26 to 10.

Overview

The UTN 4 is a feed-through terminal block with a disconnect function specifically for neutral conductors. It provides a safe and convenient way to isolate the neutral line during maintenance or testing, enhancing safety and operational flexibility. Its compact design and DIN rail mounting (NS 35/7.5 and NS 35/15) make it easy to integrate into existing control cabinets.

What stands out

• Disconnect function for neutral conductor: allows quick isolation without removing wiring.
• High surge voltage rating (6 kV) and pollution degree 3 for reliable operation in harsh conditions.
• Flammability rating UL 94 V0 ensures fire safety.
• Wide temperature range and robust polyamide housing.

Technical details

• Terminal Type: Neutral Disconnect Terminal Block
• Connection Method: Screw Connection
• Nominal Cross Section: 4 mm²
• Conductor Cross Section (Solid): 0.14 - 6 mm²
• Conductor Cross Section (Stranded): 0.14 - 4 mm²
• Conductor Cross Section (AWG): 26 - 10
• Number of Connections: 2
• Number of Positions: 1
• Color: Gray
• Insulating Material: PA (Polyamide)
• Mounting Type: DIN Rail NS 35/7.5, NS 35/15
• Rated Surge Voltage: 6 kV
• Pollution Degree: 3
• Overvoltage Category: III
• Flammability Rating (UL 94): V0
• Stripping Length: 9 mm
• Screw Thread: M3
• Tightening Torque: 0.6 - 0.8 Nm
• Operating Temperature: -60 °C to 105 °C
• Standards/Approvals: IEC 60947-7-1, UL, cUL, VDE, EAC

Our verdict

For electrical engineers and panel builders seeking a reliable neutral disconnect solution, the Phoenix Contact UTN 4 offers proven quality, high safety margins, and easy DIN rail mounting. Its robust construction and wide operating range make it a dependable choice for industrial applications.