Relays used for railway rolling stock are subject
to increasingly higher technical demands – such
as the need for wider operating ranges; higher
resistance to shock and vibration; operation over
a wider range of temperature and humidity; and
above all, the fire resistance properties of the
relay’s constituent parts.
The resistance against random vibrations and shock of the relays and their sockets and accessories is in compliance with the prescription of EN 61373 standard for Category 1, Class B products.
Their resistance to temperature and humidity is in compliance with the prescription of EN 50155 standard, TX class (for relay and sockets) or T1 class (for timers and control relays).
The relays and their sockets and accessories are manufactured using specific insulating materials, which satisfy the requirement R26 of fire protection prescribed by the standard EN 45545-2 +A1:2016 for product category EL10.
The requirement R26, for Hazardous levels HL1 to HL3, is the conformity to V0 class following vertical small flame test according to EN 60695-11-10.
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EC motor technology (Electronic Commutation, also called Brushless DC - BLDC) provides high efficiency, long life, and speed control options to motion system designers. Johnson Electric, an industry leader in brushless motor technology has customized EC motors for many
applications in Automotive and Industrial segments.
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It’s more important than ever to be efficient in our use of electricity and water. We work with customers to develop bespoke solutions tailored to provide the housings, electronic circuitry and cabling required. Our products are designed to meet WRAS and NSF approval where appropriate.
We supply Level Sensors for water tank installation in residential apartments for
versatile product solutions.
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Home Page: https://www.epreston.co.uk/epblog/
LED Panel Lights for Electrical Enclosures
The 7L Series comprises a LED lights for electrical panels with magnetic mounting. They are the perfect solution for lighting machinery and electrical panels of all types. They are extremely practical and functional and easily positioned anywhere within the electrical panel thanks to the direct magnetic mounting or through screw supports.
Function & Features:
Applications:
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Home Page: https://www.epreston.co.uk/epblog/
Panel Heaters
The 7H Series of panel heaters prevent condensation and ensure the optimum temperature within an electrical panel. Features include (according to Type):
Function & Features:
Applications:
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Home Page: https://www.epreston.co.uk/epblog/
Panel Thermo-Hygrostat and Thermostats
The 7T Series comprises a range of thermo-hygrostats and thermostats which ensure performance of components and instrumentation in control panels and enclosures, and can prolong product life. Features include (according to Type):
Function & Features:
Applications:
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Home Page: https://www.epreston.co.uk/epblog/
Filter Fans and Exhaust Filters
The 7F Series of fans and filter fans for cabinets and electrical panel are products to ventilate and safeguard against high temperatures. The range includes the following features (according to Type):
Function & Features:
Applications:
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Home Page: https://www.epreston.co.uk/epblog/
Johnson Electric rotary and linear stepper motors are available in a wide range of sizes and customizable force or torque outputs. Most are available in unipolar or bipolar coil winding configurations.
Our Saia brand of stepper motors is engineered to meet the performance demands of specific applications that require precise position control including valves, HVAC, medical equipment, liquid dispensing and automation. We offer custom engineering to create motion control systems utilizing our precision stepper motors and control electronics, in collaboration with valve and system manufacturers.
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Crouzet offers an extensive choice of standard or customized Classic, Miniature, Subminiature and Sub-subminiature micros-witches, with a large range of switching ratings from 1 mA to 25 A, magnetic blowout versions for High DC ratings, sealed models, positive break versions, a wide range of operating temperatures, special models for explosive atmospheres, long service life and an enormous variety of actuators, contact materials and fixing means.
Our microswitches are high-precision, snap-action switches and these are the main features for which they are notable:
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The dust and waterproof Data Buccaneer range includes a wide variety of sealed circular connectors designed specifically for Ethernet, USB (including mini-usb and micro-usb), USB-C and SMB applications.
Our sealed RJ45 Ethernet connector solutions meet Cat 5e requirements for data rates up to 100Mhz and are suited to a wide variety of industrial & harsh environment applications.
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© E. Preston (Electrical) Ltd 2024.
UK distributor of electrical and electronic components.
