Name: Phoenix Contact USLKG 5 Protective Conductor Terminal Block - INOSAKI
SKU: Phoenix-0441504
Price: 7.71 USD
Availability: InStock

Technical Overview

Ground terminal block with M3 screw connection, 4 mm² nominal cross section, 8 kV surge voltage, and -60 to 110 °C operating range.

Key Features

Universal use: connection of small to very large conductor cross-sections (0.2 mm² - 6 mm² rigid, 0.25 mm² - 4 mm² flexible).
Space-saving compact design with a width of 6.2 mm.
Easy potential distribution with function shafts on each level.
Maximum clarity provided by large marking surfaces.
Robust screw connection with a tightening torque of 0.6 to 0.8 Nm.
Designed for mounting on NS 35/7,5, NS 35/15, and NS 32 DIN rails.
Wide operating temperature range from -60 °C to 110 °C.

Technical Specification Matrix

Parameter	Value
Product Type	Protective conductor terminal block, Ground terminal block
Connection Method	Screw connection
Number of Connections	2
Number of Levels	1
Rated Cross Section	4 mm²
Conductor Cross-section Rigid	0.2 mm² - 6 mm²
Conductor Cross-section Flexible	0.25 mm² - 4 mm²
Cross Section AWG	24 - 10
Screw Thread	M3
Tightening Torque	0.6 - 0.8 Nm
Stripping Length	8 mm
Rated Surge Voltage	8 kV
Overvoltage Category	III
Degree of Pollution	3
Maximum Power Dissipation for Nominal Condition	1.02 W
Color	Green-yellow
Insulating Material	PA
Operating Temperature Range	-60 °C ... 110 °C
Mounting Type	NS 35/7,5, NS 35/15, NS 32 (DIN rail)
Physical Weight (kg)	0
Dimensions L x W x H (cm)	4.7 x 0.62 x 4.25

Industrial Applications

1. Industrial Control Panel Grounding in Harsh Environments

This terminal block is ideal for grounding critical components within industrial control panels located in environments with significant temperature fluctuations and potential electrical surges. Its robust screw connection and wide operating temperature range make it suitable.

Problem Solved

Ensures reliable protective conductor connection and surge protection (8 kV rated surge voltage) for sensitive control equipment in conditions ranging from -60 °C to 110 °C.

GroundingSurge ProtectionTemperature ResistanceIndustrial Control PanelScrew Connection8 kV

2. Machine Building and Automation System Earth Connections

The USLKG 5 can be used for establishing secure earth connections for various machinery and automation equipment, where space is often limited and a high degree of vibration resistance is required. Its compact design and secure M3 screw connection are beneficial.

Problem Solved

Provides a compact (6.2 mm width) and vibration-resistant grounding point for machinery, accommodating a range of wire sizes (0.2 mm² - 6 mm²) and ensuring electrical safety in dynamic industrial settings.

Machine BuildingAutomationEarth ConnectionCompact DesignScrew TerminalWire Gauge FlexibilityDIN Rail Mounting

3. Building Infrastructure Electrical Grounding for High Power Systems

In commercial and industrial buildings, this terminal block can be employed for grounding electrical distribution systems, especially where there's a need to manage high surge voltages and ensure robust, long-term connections.

Problem Solved

Offers reliable and standardized grounding for building electrical infrastructure, capable of handling 8 kV surge voltages and maintaining secure connections with 0.6-0.8 Nm tightening torque for safety and longevity.

Electrical InfrastructureBuilding AutomationGroundingSurge ProtectionHigh VoltageRobust ConnectionStandards Compliance (IEC 60947-7-2)