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E. Preston Electrical

Hylec Official Distributor

Hylec Electrical Components

Terminal blocks, pcb terminal blocks, ceramic terminal blocks, cable glands (including a waterproof range), grommets, connectors, plugs and lamp holders.

About Hylec

Hylec-APL specialises in the manufacture and supply of electrical components to industry — including connectors and terminal blocks, weatherproof connectors, cable glands, enclosures and control components.

Hylec-APL has over 30 years of experience, supplying electrical components to major OEMs and CEMs, wholesalers, specialist and catalogue distributors. Many of the products are available exclusively in the UK and Ireland through Hylec-APL.

Their products have been used in a number of high-profile applications, including the lighting for the first ever Singapore Grand Prix, the 2012 Olympic Games and the new digital advertising displays to be used in the London Underground.

Buy Hylec electrical products from E. Preston

E. Preston Electrical Ltd is an official distributor for Hylec electrical products, we have thousands of components available.
If you have a specific question, please
to speak to a representative.

Featured Products

Manufacturers

News

March 5, 2026

Schurter 4770: Dual Block Outlet 16A with Snap-in Mounting

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Schurter

4770: Dual Block Outlet 16A

  • IEC 60320 type J 16 A, Dual
  • Available in black, white or grey
  • Snap-in version front side

The demand for higher power density in data centers and industrial environments is constantly growing. Schurter is responding to this development with the new 4770 dual block outlet, which is designed for a rated current of 16 A and optimized specifically for use in power distribution units (PDUs). The 4770 combines a robust design with easy installation.

Thanks to its dual block configuration, the outlet can be integrated into power distribution units (PDUs) in a space-saving manner. The proven snap-in mounting system ensures quick and secure installation and reduces installation effort.

The 4770 outlet is available in black, gray, or white, offering flexible design options for different applications (multi-phase systems). Various connection options (standard: QC 6.3 mm; QC 4.8 mm; solder connections, and PCB mounting available on request) allow easy adaptation to different wiring concepts. VDE, UL, and CCC certifications ensure international compliance and a high level of safety and reliability.

The dual outlet is designed for currents of up to 16 A at 250 VAC according to IEC and 20 A at 250 VAC according to UL. It is designed for an operating temperature range of –25 °C to +70 °C. Installation is via snap-in mounting (standard: wall thicknesses 1.2 mm and 1.5 mm, 0.8 mm to 3.0 mm on request).

The 4770 dual outlet is ideal for use in data centers, industrial plants, IoT infrastructures, and IT as well as telecommunication systems. In other words, wherever compact and powerful power distribution is required.

Schurter 4770 App

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

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

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March 4, 2026

Finder Power Supplies: 78 Series / OPTA

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Finder 78 Series / OPTA Power Supplies

Finder 78 OPTA Series PS

78 Series Switch Mode Power Supplies

Finder 78 Series PS

The 78 Series is a range of low profile
modular power supplies for electrical
cabinets and industrial switch mode power
supplies. KNX power supply with rated output
30V DC 640mA available.

Function & Features (according to type):

  • Output powers 12, 36, 50, 60, 120 or 130 W
  • Input (110 … 240) V AC or 220 V DC
  • Class B according to EN 55022
  • Replaceable input protection fuse plus spare
  • Varistor for protection against overvoltages
  • Width 17.5, 40 or 70 mm

Applications:

  • Building Automation
  • Elevators and Lifts
  • Automation for Blinds, Grilles and Shutters
  • Hoists and Cranes
  • Panels for Electrical Distribution
  • Pump Control

OPTA Power Supply

Finder OPTA PS2

Optimal Performance and Maximum Protection with Finder's Power Supply Type 78.12….2482, specifically designed for use with OPTA

Providing the power needed to operate Finder’s PLRs (Programmable Logic Relays), the OPTA power supply provides a 24 V DC supply voltage, and can handle high inrush currents.

The OPTA power supply is also surge protected – from surges attributable to the power grid, overheating, short-circuits, and those generated by other connected devices – ensuring a reliable and durable product.

The OPTA power supply is also suitable for use in SELV (safety extra-low voltage) systems (according to EN 60950). The Type 78.12….2482 has attained ENEC and UL certifications – attesting its compliance with international safety standards.
Here are some of its features and specifications.

Features & Specifications:

  • 17.5 mm (1 module) x 61 mm deep
  • Low (< 0.4 W) stand-by power consumption
  • Thermal protection: internal, with Vout shutdown – power OFF to reset
  • Short circuit protection: Hiccup (auto-recovery) mode
  • Overvoltage protection: Varistor
  • Flyback topology
  • Compliant with EN 60950-1 and EN 61204-3
  • Parallel working for automatic redundancy – with OR diodes
  • Dual Polarity and Series connection permissible
  • 35mm rail (EN 60715) mount

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

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

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