Name: Phoenix Contact ST 1,5-TWIN-PE Ground Terminal Block - INOSAKI
SKU: Phoenix-3031144
Price: 141.79 USD
Availability: InStock

Technical Overview

DIN rail ground terminal block with spring-cage connection for 0.08-1.5mm² conductors. Features -60°C to +110°C operating temp and UL 94 V0 flammability.

Key Features

Green-yellow housing for clear identification as a ground terminal block.
Spring-cage connection for quick and tool-less wire installation.
Space-saving design with practical multi-conductor connections.
Double function shaft offers time-saving potential distribution and accommodates test accessories.
Tested for railway applications (DIN EN 50155), ensuring durability in harsh conditions.
Low contact resistance for efficient and reliable grounding.
Corrosion-free terminal points enhance long-term reliability.
Mounts on standard NS 35/7,5 and NS 35/15 DIN rails.
Insulating material is Polyamide (PA) with a UL 94 V0 flammability rating.

Technical Specification Matrix

Parameter	Value
Product Type	Protective Conductor Terminal Block (Ground Terminal Block)
Number of Positions/Connections	3
Connection Method	Spring-cage connection
Nominal Cross Section	1.5 mm²
Conductor Cross Section (Solid/Flexible)	0.08 mm² - 1.5 mm²
Conductor Cross Section (AWG)	28 - 16 AWG
Color	Green-yellow
Mounting Type	DIN rail (NS 35/7,5, NS 35/15)
Rated Surge Voltage	6 kV
Nominal Voltage	500 V
Nominal Current	17.5 A
Minimum Operating Temperature	-60 °C
Maximum Operating Temperature	+110 °C
Insulating Material	PA (Polyamide)
Flammability Rating	UL 94 V0
Degree of Pollution	3
Overvoltage Category	III
Stripping Length	10 mm
Standards and Regulations	UL, cUL, CSA, ATEX, CCC, DNV, EAC Ex, IEC 60947-7-2, IECEE CB, IECEX, KR, LR, NEPSI, NK, PRD, RS, VDE, DIN EN 50155 (Railway Applications)
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	4.4 x 0.42 x 6.05

Industrial Applications

1. Railway Signaling and Control Systems Grounding

This terminal block provides essential grounding for railway signaling and control cabinets, where its compliance with DIN EN 50155 ensures robust performance against the severe vibrations, shocks, and temperature swings inherent in rail environments.

Problem Solved

Ensures a secure, durable, and certified ground connection for critical railway infrastructure, mitigating electrical fault risks and guaranteeing operational safety under extreme conditions.

DIN EN 50155Railway applicationsGroundingVibration resistanceShock resistance-60°C to 110°CSpring-cage connection

2. Industrial Machinery Control Panel Earthing

Ideal for earthing various components within industrial machinery control panels, particularly benefiting from its compact design and spring-cage connection for quick, tool-less wiring. The UL 94 V0 rated polyamide insulation enhances safety in these applications.

Problem Solved

Offers a highly reliable, compact, and fire-safe earthing solution for industrial control panels, facilitating quicker assembly and maintenance due to its efficient wiring method and multi-conductor capability.

Industrial machineryControl panelsEarthingSpring-cage connectionTool-less wiringUL 94 V0Compact design0.08-1.5mm² wire

3. Process Industry Instrumentation Protective Earthing

Well-suited for the protective earthing of instrumentation and sensor circuits in demanding process industry environments. Its corrosion-free terminal points and wide operating temperature range (-60°C to +110°C) ensure long-term stability and reliability.

Problem Solved

Guarantees stable and corrosion-resistant protective earthing for critical process control instrumentation, thereby maintaining signal integrity and operational uptime in challenging industrial settings.

Process industryInstrumentationProtective earthingCorrosion-free-60°C to 110°CRated surge voltage 6 kVIndustrial automation