1snk506021r0000 - zs6-3s-bl screw clamp - blue

1snk506021r0000 – zs6-3s-bl screw clamp – blue

TE Connectivity ZS6-3S-BL screw clamp terminal block, a blue 3-position feed-through DIN rail terminal block rated at 32 A and 800 V for industrial wiring applications.

SKU: 1SNK506021R0000Alt SKU: ZS6-3S-BL Screw Clamp - BlueMPN: 1SNK506021R0000
Price
List Price £1.79 ex VAT
Your Price (ex VAT)
£1.79
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £1.79
Trade pricing is personalised to your account

Manufacturer Lead Time

£1.79

Why Choose the TE Connectivity ZS6-3S-BL Screw Clamp Terminal Block?

The TE Connectivity ZS6-3S-BL (1SNK506021R0000) is a high-quality DIN rail mounted screw clamp terminal block designed for reliable feed-through electrical connections in industrial control panels, automation systems and power distribution applications. Part of the ENTRELEC SNK ZS series, this compact terminal block provides secure wiring connections with a space-saving 6 mm pitch design.

Featuring a blue polyamide housing, screw clamp termination technology and a three-position feed-through configuration, the ZS6-3S-BL provides dependable conductor retention and easy installation on standard DIN rails. Its robust design makes it suitable for demanding industrial environments where secure and organised wiring is essential.

With a rated current of 32 A, a rated voltage of 800 V and a conductor capacity up to 6 mm², the TE Connectivity ZS6-3S-BL is ideal for industrial electrical cabinets requiring compact, reliable terminal connections.

Key Advantages

  • Reliable TE Connectivity ENTRELEC SNK screw clamp terminal block.
  • 6 mm pitch design provides high wiring density in electrical cabinets.
  • 32 A rated current for industrial control and distribution applications.
  • 800 V rated voltage suitable for professional electrical installations.
  • Feed-through configuration for straightforward circuit connection.
  • Secure screw clamp technology provides reliable conductor retention.
  • Blue identification colour simplifies terminal organisation.

Key Features

  • TE Connectivity ENTRELEC SNK ZS series terminal block.
  • Model: ZS6-3S-BL.
  • Part number: 1SNK506021R0000.
  • Feed-through screw clamp terminal block.
  • 3-position configuration.
  • Blue polyamide housing.
  • 6 mm terminal spacing.
  • DIN rail mounting for TH35-7.5 and TH35-15 rails.
  • Compatible with industrial panel wiring applications.

Reliable Terminal Connections for Industrial Systems

The TE Connectivity ZS6-3S-BL screw clamp terminal block provides a dependable method for connecting electrical conductors within industrial control systems. The screw clamp design ensures secure mechanical and electrical contact while supporting reliable operation in environments exposed to vibration and continuous industrial use.

The compact SNK series design helps optimise cabinet space while maintaining excellent wiring accessibility. Its standard DIN rail mounting and clear identification colour make it suitable for professional panel builders, automation engineers and electrical installers.

Typical Applications

  • Industrial control panels.
  • Automation and PLC systems.
  • Electrical distribution cabinets.
  • Machine-building installations.
  • DIN rail terminal assemblies.
  • Industrial power and control wiring systems.

Technical Specifications

Tick the specs you need, then view products that match.

Number of Connection Points 2
Connection Spring clamp
Terminal Type Feed-through
Conductor Size 4 mm²
Number of Levels 1
Product Series TE SNK
Manufacturer TE Connectivity
Brand range ENTRELEC
Series SNK ZS
Model ZS6-3S-BL
Part number 1SNK506021R0000
Product type Screw clamp feed-through terminal block
Number of positions 3
Number of levels 1
Terminal spacing 6 mm
Rated cross-section 4 mm²
Connection technology Screw clamp
Rated current 32 A
Rated voltage 800 V
Wire capacity 0.2–6 mm²
Housing material Polyamide
Colour Blue
Mounting type DIN rail mounting
Protection rating IP20
Operating temperature -55 °C to +110 °C
Flammability rating UL 94V-0
Colour Blue

Frequently Asked Questions

What is the TE Connectivity 1SNK506021R0000 used for?

The 1SNK506021R0000 is a DIN rail mounted screw clamp terminal block used for reliable feed-through electrical connections in industrial systems.

What wire size can the ZS6-3S-BL accept?

The ZS6-3S-BL supports conductor sizes up to 6 mm², depending on conductor type and installation requirements.

What is the rated current of this terminal block?

The TE Connectivity ZS6-3S-BL has a rated current of 32 A.

What type of mounting does the ZS6-3S-BL use?

The terminal block is designed for standard DIN rail mounting.

What material is the ZS6-3S-BL housing made from?

The housing is manufactured from durable polyamide material suitable for industrial electrical applications.

Trusted by Industrial Electrical Professionals

TE Connectivity ENTRELEC SNK terminal blocks are trusted by panel builders, automation engineers and electrical installers worldwide for secure, space-efficient and reliable industrial wiring solutions.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...