Terminals and Terminal Blocks

We have stock of numerous terminals and terminal blocks, manufactured by Hylec, Entrelec/TE and Wieland

UK Next Day Delivery

Expert Advice

No Min Order Charges

Technical Support

Flexible Payment Terms

Over 40 Years Experience

What are Terminals and Terminal blocks?

SNK Terminals are a type of industrial control terminal that is used in industrial automation, process control, and other applications. These terminals are designed to provide a secure and reliable connection between the user and the machine. They are typically used to control machinery, monitor production processes, and manage data. SNK Terminals are available in a wide range of sizes and configurations, allowing them to be used for many different types of applications.

Modular terminals are components that can be used to connect two or more devices together in a network. They are typically used to connect computers, servers, routers, switches, and other network devices. Modular terminals are often referred to as RJ-45 connectors because they use an 8-pin RJ-45 connector.

A terminal block is a type of electrical connector used to connect two or more wires together. It typically consists of a metal or plastic housing containing multiple terminals, which are the points at which the wires are connected. Terminal blocks are commonly used in industrial and commercial applications to provide a secure connection between electrical circuits.

What Do We Supply?

We supply a great range of terminals and terminal blocks, including:

SNK Terminals

Modular Terminals

Pillar Terminal blocks

Fused Terminal blocks

Why Choose E. Preston?

Since our inception in 1980, our business focus has been on providing two things: a reputation for outstanding customer service, and an unbeatable range and stock of electrical and electronic components.

We feel we have achieved that at E Preston, and that probably explains our company growth over the years. We do not want to become complacent though, and we always work hard to exceed customers expectations when they deal with us, if we can.

Our service is unashamedly a little old fashioned, ensuring we follow up on promises to customers, and phoning back when we said we were going to. We also do our best to ensure the customer receives their order next day. You can also talk to us about flexible payment terms, if needed.

We have stock of numerous terminals and terminal blocks, manufactured by Hylec, Entrelec/TE and Wieland.

Please contact us if you need technical assistance about them or any of our products – our team of expert operatives will be happy to help.

Call us now on:

+44 (0) 161 339 5177

Send us a message

whether you want to place an order for terminals or terminal blocks or to get assistance. We look forward to hearing from you!

Featured Products

Switches

Switchgear and Control Gear

Relays

Electrical Timers

Fuse Holders

Electrical Connectors

Electrical Indicators

Battery Holders

Power Inlet Modules

IEC Connectors

Circuit Protection

Power Supplies

EMC Filters

Motors

Solenoids

News

July 10, 2026

Schurter DMTH: Dip Switch

The DMTH Series: A Robust and Cost-Effective DIP Switch

DMTH: The Industry Standard 2.54mm THT-DIP-Switch

2.54mm standard pitch design
Low profile
High number of cycles
Through hole terminal

The DMTH series is a robust and cost-effective DIP switch designed for reliable manual configuration in industrial and electronic applications. Featuring the industry-standard 2.54mm pitch and THT mounting technology, it offers excellent compatibility with established PCB designs while ensuring secure mechanical retention and soldering reliability.

With up to 12 positions, SPST contacts, recessed or raised actuator options, and a low-profile 3.6mm design, DMTH supports flexible system configuration without increasing board space requirements. The switch is rated for up to 2,000 operating cycles and operates reliably from -40°C to +85°C.

Typical applications include address setting, communication protocol selection (e.g. RS-485, Modbus), function control, BIOS and hardware configuration, medical equipment parameter settings, HVAC systems, industrial controllers, robotics and consumer appliances. Combining proven performance, competitive cost and fast availability, DMTH is an ideal solution for OEMs seeking a reliable alternative to premium-priced DIP switch brands.

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

July 9, 2026

Wieland Series SELOS WTN + SELOS WTPN

Modern control cabinet solutions are no longer created from individual components, but from integrated systems that seamlessly combine planning, wiring, and labeling.

This is exactly where the selos system comes in: a modular, perfectly coordinated overall concept consisting of terminal blocks, digital planning tools, professional labeling, and services. Developed to make your processes easier, faster, and safer.

Safe Wiring
With our selos WTPN terminal blocks with push-in connection, you can wire quickly, safely and completely without tools. For maximum flexibility, the selos WTN series with screw connection is also available - ideal for a wide range of applications and proven technology.

Your Advantages:

Tool-free quick wiring or proven screw technology
Extensive range of accessories for all variants
Space-saving design, high contact quality, and excellent vibration resistance
Faster installation processes

The SELOS WTN Din Rail Terminal Blocks with Screw Connection provides a reliable connection, solid and functional, known worldwide, and in use millions of times over.

The selos series combines the classic screw connection with modern connection technology, with the focus on customer benefits and increased efficiency in wiring and the supply chain.

Includes feed-through and ground blocks with 2, 3 or 4 termination points
Multi-tier blocks in two and three tier designs
Knife-edge disconnect blocks and fuse blocks
Specialty function blocks are available with a wide variety of diode circuits
Diverse application-specific terminals, such as transformer disconnect terminals
Smaller size – Uniform design – Fewer accessories
Rated cross-section 1.5mm2 to 240mm2

The SELOS WTPN Din Rail Terminal Block with
Push-In Connection terminates wires easily,
directly and without tools.

With an effective global concept, compact design
and high-performance contact technology, selos WTPN
minimizes the installation time and reduces inventory
costs to a minimum.

Includes Feed-through and ground blocks with 2, 3 or 4 termination point
Multi-tier blocks in two and three tier designs
Knife-edge disconnect blocks in one and two tier designs and fuse blocks
Specialty function blocks are available with application specific diode circuits