Phoenix Contact USLKG 6 N Ground Terminal Block

Technical Overview

Protective conductor terminal block with two screw connections for 0.2-10mm² (24-8 AWG) conductors, 8 kV surge voltage, and DIN rail mounting.

Key Features

Protective conductor (ground) terminal block
Screw connection method provides secure contact
Supports conductor cross-sections from 0.2 mm² to 10 mm² (24-8 AWG)
Compatible with NS 35/7.5, NS 35/15, and NS 32 DIN rails
Distinctive green-yellow color for clear protective earth identification
High rated surge voltage of 8 kV for enhanced protection
Equipped with an M4 mounting screw for the PE foot
Features 1 level and 2 connections for versatile wiring
Rated for overvoltage category III and degree of pollution 3
Tightening torque range of 1.5 to 1.8 Nm for consistent connections
Requires a stripping length of 10 mm for conductor preparation

Technical Specification Matrix

Parameter	Value
Product Type	Ground terminal block
Product Family	USLKG
Number of Positions	1
Number of Connections	2
Number of Rows	1
Overvoltage Category	III
Degree of Pollution	3
Rated Surge Voltage	8 kV
Maximum Power Dissipation (Nominal Condition)	1.31 W
Grounding Foot	Yes
Number of Connections per Level	2
Nominal Cross Section	6 mm²
Connection Method	Screw connection
Screw Thread	M4
Tightening Torque	1.5 ... 1.8 Nm
Stripping Length	10 mm
Internal Cylindrical Gage	A5
Conductor Cross-section Rigid	0.2 mm² ... 10 mm²
Cross section AWG	24 ... 8 (converted acc. to IEC)
Conductor Cross-section Flexible	0.2 mm² ... 6 mm²
Conductor Cross-section Flexible (AWG)	24 ... 10 (converted acc. to IEC)
Conductor Cross-section Flexible (ferrule without plastic sleeve)	0.25 mm² ... 6 mm²
Conductor Cross-section Flexible (ferrule with plastic sleeve)	0.25 mm² ... 6 mm²
Mounting Type	NS 35/7,5, NS 35/15, NS 32 DIN rail
Color	green-yellow
Insulation Material	Polyamide (PA)
Physical Weight (kg)	0.03
Dimensions L x W x H (cm)	4.58 x 0.82 x 4.25

Industrial Applications

1. Industrial Control Panel Grounding

Ensuring safe and compliant protective earthing for components within industrial control panels. The USLKG 6 N provides a robust and easily identifiable grounding point for various wire sizes in a compact form factor.

Problem Solved

Mitigates electrical hazards and ensures operational safety by providing a reliable and standardized protective earth connection for equipment housed within control cabinets, accommodating wires from sensitive signal lines to power circuits (0.2 mm² to 10 mm²).

DIN Rail MountingProtective EarthControl CabinetScrew Connection8 kV Surge Protection

2. Machine Tool Electrical System Safety

Implementing protective grounding in machine tool electrical systems to protect operators and prevent equipment damage from electrical faults. Its high surge voltage rating and secure screw connection are ideal for demanding industrial machinery.

Problem Solved

Provides a resilient grounding solution against electrical surges (8 kV rated surge voltage) and vibrations, crucial for machine tool environments, ensuring continuous safety grounding across a range of conductor sizes (24-8 AWG) for motor, sensor, and control wiring.

Machine SafetyGrounding SystemSurge VoltageVibration ResistanceIndustrial Machinery

3. Building Automation System Grounding

Establishing reliable protective earth connections in building automation and HVAC systems, where a mixture of wire gauges is common. The green-yellow color coding simplifies installation and maintenance, adhering to electrical safety standards.

Problem Solved

Facilitates standardized and secure grounding in diverse building automation setups, where different load types require varied conductor cross-sections (0.2 mm² to 10 mm²). Its clear green-yellow identification streamlines installation and troubleshooting, enhancing overall system reliability and safety.

Building AutomationHVAC SystemsProtective EarthWire ManagementElectrical Standards