Phoenix Contact UKH 50 High-Current Terminal Block

USD 13.50

Total:

High-current terminal block, 1000 V / 150 A, for 16-70 mm² conductors. Features secure screw connections and operates from -60°C to 110°C.

SKU Phoenix-3009118 Category
MOQ: 10 pcs   >>   Order in multiples of 10
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Phoenix Contact UKH 50 High-Current Terminal Block

Model Identifier UKH 50
Official Part Number 3009118
GTIN Standard 4017918091644

Technical Overview

High-current terminal block, 1000 V / 150 A, for 16-70 mm² conductors. Features secure screw connections and operates from -60°C to 110°C.

Key Features

  • Nominal voltage: 1000 V
  • Nominal current: 150 A
  • Connection method: Screw connection (M6 thread)
  • Conductor cross-section rigid: 16 mm² - 70 mm² (AWG 4 - 2/0)
  • Conductor cross-section flexible: 25 mm² - 70 mm² (AWG 2 - 2/0)
  • Number of connections: 2
  • Three-point centering of conductor for reliable contact
  • Low contact resistance due to ribbing
  • Screw locking by spring-loaded elements
  • Operating temperature range: -60 °C to 110 °C (including self-heating)
  • Mounting type: DIN rail (NS 35/7,5, NS 35/15, NS 32)
  • Color: Gray
  • Rated surge voltage: 8 kV
  • Overvoltage category: III
  • Degree of pollution: 3
  • Flammability rating according to UL 94: V0

Reliable high-current and high-voltage connectivity for large conductor cross-sections with secure screw locking.

Technical Specification Matrix

ParameterValue
Nominal Voltage1000 V
Nominal Current150 A
Rated Cross Section50 mm²
Conductor Cross-section (Rigid)16 mm² - 70 mm²
Conductor Cross-section (Flexible)25 mm² - 70 mm²
Conductor Cross-section (AWG)4 - 2/0
Number of Connections2
Number of Positions1
Connection MethodScrew Connection
Screw ThreadM6
Tightening Torque6 Nm - 8 Nm
Stripping Length24 mm
Overvoltage CategoryIII
Degree of Pollution3
Rated Surge Voltage8 kV
Max. Power Dissipation (Nominal Condition)4.73 W
Operating Temperature Range-60 °C to 110 °C
Insulating MaterialPA
Flammability Rating (UL 94)V0
ColorGray
Mounting TypeNS 35/7,5, NS 35/15, NS 32
Physical Weight (kg)0.11
Dimensions L x W x H (cm)7.6 x 2 x 7.05

Industrial Applications

1. Power Distribution in Industrial Control Panels

This terminal block is ideal for connecting main power lines within large industrial control panels and machinery. Its 1000 V / 150 A rating supports significant power loads, while the robust screw connection accommodates large gauge wires (16-70 mm²) securely, preventing loose connections under vibration and thermal cycling.

Problem Solved

Safely and reliably distributing high current and high voltage power from incoming feeds to various sub-circuits or heavy-duty loads within industrial environments, ensuring stable power delivery despite mechanical stresses.

High voltage distributionHigh currentIndustrial control panelsSecure connectionsLarge gauge wirePower feeder

2. Renewable Energy Systems (Solar/Wind Inverters)

The UKH 50 is well-suited for connecting DC power lines from solar arrays or wind turbine generators to inverters. Its 1000 V rating can handle typical string voltages, and the 150 A current capacity accommodates high power transfer. The wide operating temperature range (-60°C to 110°C) ensures reliability in diverse outdoor or cabinet environments, making it suitable for renewable energy infrastructure.

Problem Solved

Providing a durable and high-capacity electrical interface for combining and connecting high-voltage, high-current DC power sources in renewable energy installations, maintaining performance across extreme temperatures.

Solar powerWind energyDC distributionInverter connectionsHigh power transferHarsh environmentWide temperature range

3. Motor Control Center (MCC) Power Feeds

In Motor Control Centers, this terminal block can connect the incoming power supply to individual motor starters or variable frequency drives (VFDs). The 150 A current and 1000 V voltage rating are appropriate for feeding powerful industrial motors, and the robust screw connection ensures secure termination for continuous operation in demanding industrial settings, reducing downtime.

Problem Solved

Establishing secure, high-capacity electrical connections for power distribution to large industrial motors and their control equipment within MCCs, ensuring operational safety and reliability under heavy loads.

Motor controlVFD powerIndustrial motorsHigh currentSecure terminationPower distributionMCC
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