Phoenix Contact USLKG 2,5 Ground Terminal Block

Technical Overview

Green/yellow DIN rail ground terminal block with screw connection, accommodating 0.2-4mm² (24-12 AWG) wires, rated for 6kV surge, -60 to 110°C operation.

Key Features

DIN rail mountable for easy integration into control cabinets and systems.
Secure screw connection method for robust and reliable wiring.
Supports wire cross-sections from 0.2 mm² to 4 mm² (24 AWG to 12 AWG).
Green-yellow color for clear identification as a protective earth connection.
High rated surge voltage of 6 kV for enhanced safety.
Wide operating temperature range from -60 °C to 110 °C.

Technical Specification Matrix

Parameter	Value
Product Type	Ground terminal block / Protective conductor terminal block
Connection Method	Screw connection
Number of Positions	1
Number of Connections	2
Number of Levels	1
Min. Wire Cross Section (solid)	0.2 mm²
Max. Wire Cross Section (solid)	4 mm²
Min. Wire Gauge (AWG)	24 AWG
Max. Wire Gauge (AWG)	12 AWG
Rated Surge Voltage	6 kV
Max Nominal Voltage	800 V
Operating Temperature	-60 °C to 110 °C
Color	Green-yellow
Insulating Material	PA (Polyamide)
Flammability Rating (UL 94)	V2
Mounting Type	DIN Rail (NS 35/7,5, NS 35/15, NS 32)
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	4.2 x 0.62 x 4.25

Industrial Applications

1. Industrial Control Panel Grounding

This terminal block is ideal for grounding metal enclosures and equipment within industrial control panels. Its robust screw connection and DIN rail mounting capability facilitate organized and secure earth connections, crucial for protecting personnel from electrical shock and sensitive electronics from EMI.

Problem Solved

Provides a centralized and reliable grounding point for various components in a control panel, ensuring electrical safety and reducing electromagnetic interference in critical industrial processes.

DIN Rail MountingScrew ConnectionGroundingElectrical SafetyEMI Protection

2. Machine Safety Circuit Earth Connection

The USLKG 2,5 can be used to establish a secure earth connection for safety-related components in machinery, such as emergency stop buttons or safety interlocks. Its wide operating temperature range (-60 °C to 110 °C) and high surge voltage rating (6 kV) ensure reliable performance even in challenging industrial environments, contributing to personnel safety and compliance with machine safety directives.

Problem Solved

Guarantees a stable and durable earth path for critical safety components, preventing hazardous voltages and maintaining the integrity of machine safety circuits under various operating conditions.

Machine SafetyEarth ConnectionSurge ProtectionWide Temperature RangePersonnel Protection

3. Building Automation System Earthing

In building automation systems, this terminal block offers an efficient solution for earthing sensitive electronic equipment, sensors, and network cabling. Its compact width of 6.2 mm allows for high-density wiring in confined spaces of electrical cabinets, while the secure screw terminals ensure long-term connection stability for reliable system operation.

Problem Solved

Provides a space-saving and reliable method for earthing numerous devices in building automation infrastructure, minimizing electrical noise and ensuring the accurate operation of control systems.

Building AutomationCompact DesignElectronic Equipment ProtectionStable ConnectionSpace Efficiency