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

April 9, 2026

Eaton Moeller Series - SPPVT2/T12 xPole Surge Protection

The plug-in surge arresters SPPVT2 and SPPVT12 are developed especially for photovoltaic applications. They protect the installations against transient overvoltages that can be induced by direct or indirect lightning strikes.

SPPVT12: Homes with rooftop solar PV installations represent an additional vulnerability that requires surge protection. Usually this requires Type 1/2 combinations, for DC protection - based on whether the building has also a requirement for an external lightning protection system. SPPVT12 is developed especially for photovoltaic applications and protects the installations against transient overvoltages induced by direct lightning strikes.

SPPVT2: Type 2 PV surge protection is required, when there is no risk for direct lightning strikes but indirect surges can occur. SPPVT2 protects the inverter and installations against transient overvoltage due to switching and indirect lightning strikes.

These surge arresters are suitable for a wide range of surge protection in a large number of systems.

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

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

April 7, 2026

E-T-A Timer Relays

Timer relays are especially suitable for the use in passenger cars, trucks, buses as well as construction machinery and emergency vehicles. They control pumps, valves or motors, which are meant to overtravel or stay open for a defined period of time. They equally control the co-ordinated, sequential switch-on of loads to avoid load peaks (e.g. with fans).

E-T-A timer relays are available for DC 12 V and DC 24 V applications and are suitable for standard automotive relay sockets to ISO 7588.

Key Features:

Functions: Provide ON delay, OFF delay, and interval timing, allowing for flexible, programmable operation.
Technical Design: Features include solid-state reliability
Installation: Designed to fit standard automotive relay sockets to ISO 7588, facilitating easy replacement.

Key Benefits:

Load Management: Enables sequential switching to avoid power peaks and protects batteries.
Durability: Engineered for harsh conditions with robust construction.
Customization: Offers flexible, programmable parameters for specific vehicle needs.

Applications:

Buses
Trucks
Construction Machinery
Specialized Vehicles
Protecting Circuits and Controlling Devices that need to run for a specific duration