Phoenix Contact ST 6 Feed-Through Terminal Block

USD 6.72

Total:

Rail-mounted spring-cage terminal block, 1000V/41A, for 0.2-10mm² wire, -60°C to 110°C, UL 94 V-0 rated.

SKU Phoenix-3031487 Category
MOQ: 50 pcs   >>   Order in multiples of 50
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Phoenix Contact ST 6 Feed-Through Terminal Block

Model Identifier ST 6
Official Part Number 3031487
GTIN Standard 4017918186944

Technical Overview

Rail-mounted spring-cage terminal block, 1000V/41A, for 0.2-10mm² wire, -60°C to 110°C, UL 94 V-0 rated.

Key Features

  • Compact design for space-constrained installations and user-friendly wiring.
  • Consistent double function shaft for time-saving potential distribution and accommodating test accessories.
  • Large wiring space enables use of conductors with ferrules and plastic collars within the nominal cross section.
  • Tested for railway applications, compliant with DIN EN 50155.
  • Wide operating temperature range of -60 °C to 110 °C.
  • High nominal voltage of 1000 V and nominal current of 41 A.
  • Flammability rating according to UL 94 V-0.

Spring-cage connection for tool-free, reliable, and vibration-resistant conductor termination.

Technical Specification Matrix

ParameterValue
Nominal Voltage1000 V (IEC)
Nominal Current41 A (IEC; with 6mm² conductor)
Conductor Cross-Section (rigid)0.2 mm² - 10 mm²
Conductor Cross-Section (flexible)0.2 mm² - 6 mm²
AWG Wire Gauge Range24 - 8 AWG
Connection MethodSpring-cage connection
Number of Connections2
Nominal Cross-Section6 mm²
Mounting TypeDIN Rail (NS 35/7.5, NS 35/15)
ColorGray (RAL 7042)
Insulating MaterialPolyamide (PA)
Flammability RatingUL 94 V-0
Rated Surge Voltage8 kV
Operating Temperature Range-60 °C to 110 °C
Physical Weight (kg)0.02
Dimensions L x W x H (cm)6.95 x 0.82 x 5.1

Industrial Applications

1. Railway Signaling and Control Systems

This terminal block is ideal for railway signaling and control applications due to its compliance with DIN EN 50155 standards and proven resistance to oscillation/broadband noise, critical for maintaining reliable connections in high-vibration environments. Its wide -60°C to 110°C operating temperature range ensures functionality in diverse climates, and high voltage/current ratings support robust power and signal integrity.

Problem Solved

Ensures reliable and vibration-resistant electrical connections in harsh railway environments, mitigating signal loss and power interruptions due to temperature fluctuations and mechanical stress.

RailwayDIN EN 50155Vibration ResistanceWide Temperature RangeSignal IntegrityPower Distribution

2. Industrial Control Panels in Harsh Environments

Suitable for industrial control panels, the compact design facilitates efficient use of space within cabinets. The spring-cage connection offers vibration resistance and a maintenance-free conductor connection, vital for machinery subjected to constant operation and mechanical stress. The broad -60°C to 110°C operating temperature range and UL 94 V-0 flammability rating enhance safety and operational reliability in extreme industrial settings.

Problem Solved

Provides secure, durable, and space-efficient electrical termination within industrial control panels, preventing connection failures due to vibration, temperature extremes, or tight spatial constraints.

Control PanelsVibration ResistanceSpace-savingHigh TemperatureLow TemperatureFlammabilityIndustrial Automation

3. Plant Engineering and Process Industry Wiring

The ST 6 terminal block is an excellent choice for plant engineering and process industry wiring due to its high 1000 V nominal voltage and 41 A nominal current, accommodating various power and control wiring needs. Its versatility in handling conductor cross-sections from 0.2 mm² to 10 mm², combined with the fast and reliable spring-cage connection, reduces installation time and ensures long-term operational stability in large-scale industrial plants.

Problem Solved

Offers a versatile, robust, and easy-to-install solution for electrical connections in plant engineering and process industry settings, ensuring reliable operation of machinery and sensors across a range of power and signal requirements.

Plant EngineeringProcess IndustryHigh VoltageHigh CurrentFlexible Conductor SizesFast WiringReliable Connection
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