E. Preston (Electrical) Ltd, approved and trusted supplier of electrical components and an official distributor for top brands
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
Why choose E. Preston Electrical?
Official Distributor For Top Brands
We introduce our company as a specialist distributor of electrical and electronic components.
We are an official authorised distributor of ABB, Adaptaflex, Arcolectric, BDC Electronics, Bulgin, Bussmann, Cherry, Chint, CML, Crouzet, Crydom, Cynergy3, Eaton, Entrelec, Essen, E-T-A, Finder, Honeywell, Hylec, IDEM, Johnson Electric/Saia-Burgess, Kraus & Naimer, Moeller, Sensata, Schaffner, Schurter, Scolmore, Tranilamp, Werma, Wieland and ZF. We are fully franchised for their complete ranges of switches, contactors, neons, timers and relays; buying directly from the manufacturer and selling at all of the manufacturers’ price breaks.
We also supply components from many other well known brands and our expert team can help you to find hard to source items and available stock. More details are available on our company line card.
There are no minimum order charges unless imposed upon ourselves by the manufacturer. We are very easy to deal with and will quickly open a credit account for regular business. We have the facility to accept payments by credit or debit card. Our telephone lines lead directly into the sales office, thus avoiding possible frustrating delays whilst you wait to be put through to someone. We maintain good stock, have the expertise to advise on applications or equivalents, keep promises (including phoning back) and dispatch the same day we receive your order via 24 hour courier service. Out of stock items are dispatched the same day we receive them. We can also supply Certificates of Conformance as required.
Approved & Trusted
We are registered as an ISO 9001:2015 approved stockist and supplier, registration number RS 10581. We are also an MOD approved supplier, registration number 3EVP01.
All of the national wholesaler groups buy from us, and we ask that you look through the information about our company to see if you would benefit from using us. We are happy to quote against equivalent RS and Farnell references and we will do our utmost to prove our claims.
Finder Type 78.Y1 - Industrial Single Phase Switch Mode Power Supply
Industrial single phase Switch Mode power supply 24 V DC, 480 W output, Output adjustable between 24-28 V, Double stage with active PFC (Power Factor Correction).
Function & Features:
High efficiency (up to 92%)
Low stand-by power consumption
Active PFC
DC output voltage adjustable
Short circuit protection with hiccup auto-recovery
Thermal protection with auto shoutdown
High peak current up to 30%
Boost current up to 30% for 3 s (depending on version)
Overvoltage protection: Varistor
Compliant with IEC/EN 62368-1, UL 61010
Parallel working for increased load current (with external diode) or redundancy
The EKO series is engineered for demanding high-voltage environments, offering protection up to 1000 VDC (and 1250 VAC for selected models) and current ratings from 50 to 1100 A. With a breaking capacity of up to 50 kA DC, these square-body fuses deliver safety and reliability.
Designed for robust performance, the EKO series withstands mechanical vibration, shock, chemical exposure, and extreme temperatures from -40 °C to +125 °C. Its ceramic housing and tin-plated copper alloy terminals ensure durability and stable electrical characteristics even under harsh conditions.
Choose from Flush End, DIN-Rail, US Style Bolted Tag or Bolt-on to simplify integration into diverse systems. Optional indicators and microswitches enable easy status monitoring.
The EKO series meets IEC, UL, and GB/T standards and complies with CE, RoHS, and REACH directives, ensuring global acceptance and peace of mind.
Schurter EKO fuses combine high performance with proven safety—your trusted choice for modern high-voltage protection.
Variations
EKO11: 160–400 A / 1000 VDC / 1250 VAC / Flush End / DIN-Rail
EKO12: 125–630 A / 1000 VDC / Flush End / US Style Bolted Tag
EKO13: 250–800 A / 1000 VDC / 1250 VAC / Flush End / DIN-Rail
EKO14: 315–1100 A / 1000 VDC / 1250 VAC / Flush End / DIN-Rail
EKO81: 50–400 A / 500 VDC / Bolt-on Optional indicator and microswitch for EKO11–EKO14
