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ST 6-TWIN

ST 6 Series Spring Terminal Block Supplier

United Machinery is one of the leading and trusted suppliers of ST 6 Series Spring Terminal Blocks across West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad, as well as international markets including Saudi Arabia and the UAE. If you are looking for high-performance, durable, and easy-to-install spring terminal blocks for industrial electrical connections, the Phoenix Contact ST 6 Series is the perfect solution.

What is ST 6-TW IN?

The ST 6-TW IN is a high-quality, spring-cage technology-based terminal block designed for reliable electrical wiring and connection. It supports multiple conductor entries and is widely used in industrial control panels, power distribution systems, and automation machinery. This series ensures a tool-free, vibration-proof, and maintenance-free wiring experience—making it ideal for modern electrical and automation systems.

Best Suited Applications

The ST 6 Series is widely used in:

  • Control Panels
  • Industrial Automation Systems
  • Power Supply & Distribution Boards
  • Machinery & Equipment Wiring
  • HVAC and Building Automation
  • Renewable Energy Installations
  • Process Control Systems

Outstanding Features of ST 6 Series Spring Terminal Blocks

  • Spring cage termination for quick and reliable wiring
  • High vibration resistance – ideal for industrial machinery
  • Multi-conductor connection capability
  • Compact structure for space-saving panel installation
  • Clear marking and color-coded variants
  • PE (Earth) terminal option available
  • Corrosion-resistant and long operational life
  • UL, IEC, and international electrical safety compliant

Technical Chart of ST 6-TW IN BU (3036479)

Specification

Details

Product Type

Spring Terminal Block

Model

ST 6-TW IN BU

Part Number

3036479

Rated Voltage

1000V (varies by application)

Rated Current

41A (approx.)

Wire Range

0.5 mm² to 10 mm²

Termination Type

Push-In / Spring Cage

Housing Material

Polyamide Flame Retardant

Mounting

DIN Rail

Types of ST 6 Terminal Blocks Available

Model

Part Number

ST 6-TW IN BU

3036479

ST 6

3031487

ST 6 BU

3031490

ST 6-PE

3031500

Phoenix Contact 3036479 ST 6-TWIN Series – Blue, 0.2 → 10mm², Spring Cage Termination, ATEX

Feed-through terminal block, nom. voltage: 1000 V, nominal current: 41 A, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 6 mm2, cross section: 0.2 mm2 – 10 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue

Phoenix Contact 3031487 ST 6 Series – Grey, 0.2 → 6mm², Single-Level, Feed Through Termination

Feed-through terminal block, nom. voltage: 1000 V, nominal current: 41 A, number of connections: 2, number of positions: 1, connection method: Spring-cage connection, Rated cross section: 6 mm2, cross section: 0.2 mm2 – 10 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

Phoenix Contact 3031490 ST 6 BU Series – Blue, 0.2 → 10mm², Single-Level, Spring Clamp Termination

Feed-through terminal block, nom. voltage: 1000 V, nominal current: 41 A, number of connections: 2, connection method: Spring-cage connection, Rated cross section: 6 mm2, cross section: 0.2 mm2 – 10 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue

Phoenix Contact 3031500 ST 6-PE Series – Green/Yellow, 0.2 → 6mm², Single-Level, Spring Clamp Termination, IECEx

Protective conductor terminal block, number of connections: 2, connection method: Spring-cage connection, Rated cross section: 6 mm2, cross section: 0.2 mm2 – 10 mm2, mounting type: NS 35/7,5, NS 35/15, color: green-yellow

Why ST 6 Series Is the Best Choice?

  • Fast Installation Without Tools
  • Guaranteed Tight & Safe Electrical Connection
  • Suitable for High Current Industrial Applications
  • Color-coded design for reduced wiring errors
  • Trusted global brand with proven durability

Affordable & Reliable Terminal Block Solutions

United Machinery ensures authentic, high-grade Phoenix Contact connectors at competitive prices. We support bulk orders, fast delivery, and technical guidance for industries across:

  • India: West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Assam, Gujarat, Maharashtra, Tamil Nadu, South India, North India & more…
  • International: Saudi Arabia & UAE

Why Buy from United Machinery?

  • Ready stock available
  • Competitive wholesale prices
  • Technical support available
  • PAN India & GCC Delivery
  • Trusted by major industries & panel builders

We supply ST 6-TW IN to:

  • West Bengal
  • Bihar
  • Odisha
  • Chhattisgarh
  • Jharkhand:Ranchi
  • Maharashtra:Mumbai, Pune, Nagpur, Aurangabad
  • Rajasthan:Jaipur
  • Haryana:Faridabad
  • Madhya Pradesh:Bhopal, Indore
  • Gujarat:Ahmedabad, Surat, Vadodara
  • Assam
  • Tripura:Agartala
  • Andhra Pradesh:Visakhapatnam
  • Meghalaya
  • Karnataka:Bengaluru
  • Manipur:Imphal
  • Tamil Nadu:Chennai, Coimbatore
  • Hyderabad
  • International Supply:
    • Saudi Arabia:Al Jubail, Jeddah, Riyadh, Al Khobar
    • UAE:Abu Dhabi, Dubai, Ruwais, Umm Al Quwain

Why Choose United Machinery?

  • Authorized & trusted supplier of Phoenix Contact products
  • Ready stock availability with fast dispatch
  • Expert technical support and after-sales assistance
  • Competitive pricing without compromising quality
  • Supply capability across PAN India & Middle East markets