All posts by MHH

Schurter FMBD EP 3-Phase Mains Filter

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FMBD EP 3-Phase Mains Filter
• Compact design with minimal footprint
• Double-stage filter with high attenuation
• Variants for high voltage applications
• Wide temperature range

Schurter introduces the FMBD EP double-stage flagship filter family for 3 phases with neutral line systems. Thanks to its particularly compact dimensions and high performance, the new filter series is ideally suited for the tight space conditions in today’s machine and industrial plant construction. Versions with high nominal voltages make a wide field of applications possible.

Space is a scarce commodity in control cabinets for industrial applications in the 3-phase range. Schurter has addressed this problem with another completely new filter design, which is much more compact than previous generations. The new, almost cuboidal design makes optimum use of the space in the housing. Thanks to a double-stage filter and the use of the highest quality components (generously dimensioned film capacitors, chokes with highly permeable cores), the new development shines with exceptional broadband filter attenuation.

Suitable for High EMC Emissions
The double-stage filter family is therefore also appropriate for applications with particularly high EMC emissions, as is frequently encountered in industry. Typical applications include machines and systems for automatic production, motor drives and industrial plant machinery. These powerful filters are also the first choice for modern frequency inverters for motor control.

Mounting
The FMBD EP series features screw terminals for absolutely safe wiring. Thanks to the metal flange, an excellent earth connection is ensured when screwed to the chassis.

Wide Temperature and Voltage Range
The standard types can be used over a wide temperature range from -40 °C to 100 °C. The filters are designed for currents from 16 A to 230 A at an ambient temperature of 50 °C. They have both ENEC and cURus approval for applications up to 520 VAC and ENEC and UR approval for applications up to 760 VAC.

Leakage Current
The standard versions are designed for industrial applications with leakage currents of <9.4 mA. Special variants with leakage currents of <2.5 mA are available for critical applications.

The completely redesigned FMBD EP models are the ideal replacement for all types of SCHURTER FMBD and FMBD NEO filters. They offer at least identical performance with significantly reduced dimensions and weight.

 

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

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

ZF Energy Harvesting Technology – Bus Stop Buttons Application

Bus Stop Buttons Are Now Wireless & Battery-Free Using Energy Harvesting Technology from ZF

Thanks to the wireless and battery-free switch technology from ZF, there are various possible application fields to increase connectivity, flexibility, and convenience. Bus stop buttons are another smart application integrating the inductive RF generator module. The target is to avoid cabling (up to 100m) and expensive maintenance work caused by cable breaks in buses. The energy harvesting switch guarantees design freedom and reduces maintenance work to a minimum as it has a lifetime of over 1,000,000 switching cycles.

The energy harvesting switch can be integrated directly into the plastic housing of the stop request buttons in buses. The compact design (20.1 x 7.3 x 14.3 mm) makes it easy to integrate. In addition, the ZF radio switch generates a voltage pulse by mechanical actuation as it relies on the inductive principle. Therefore, RF commands can be reliably sent via commercially available radio protocols such as EnOcean3.0 at a frequency band of 868MHz. In this case there is no risk of RF interference with Bluetooth devices which operate at a 2.4 GHz frequency range. Altogether, the radio switch is completely free of batteries or cabling, allows a reliable RF transmission and offers a high degree of flexibility when it comes to mounting in buses.

Each RF switch has a unique ID and can be programmed individually. This means that each stop request button can be assigned to a specific command group, such as opening doors at the front, back, or initiating measures for wheelchair users. The buttons are paired to the central receiver unit, which is again connected to the electrical bus system. Depending on the received command, the receiver triggers a visual or acoustic signal to give the bus driver appropriate instructions.

 

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

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

Finder 34 Series Solid State Relays

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Finder 34 Series:  Slim P.C.B. Relays (EMR or SSR) 0.1-2-6A

Finder’s Solid State Relays are excellent in interfacing applications.  Small SSR’s such as Finder’s 34 Series draw only a few mA, so they sip at the limited output currents available from PLCs.

 

The 34 Series (EMR) relays include the following features (according to Type):
• Sensitive DC coil: 170 mW
• 5 mm wide – 6kV (1.2/50 μs) isolation, coil – contacts

The 34 Series (SSR) relays include the following features (according to Type):
• Sensitive DC input circuits
• 5 mm wide
• Silent, high speed switching with long electrical life

 

Applications:
• Bottling Plants
• Packaging Machines
• Labelling Machines
• Road / Tunnel Lighting
• Burners, Boilers & Furnaces
• Timers & Lighting Controls
• Electronic Circuit Boards
• Programmable Controllers

 

Enquiry Form: http://www.epreston.co.uk/enquiries.php

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

Entrelec ESSAILEC Test Blocks

The Preferred Choice for Safe Testing of Current & Voltage Transformers

ESSAILEC test blocks allow to safely and easily perform test operations such as current and voltage measurement, monitoring, injection, repair or replacement of meters and protective relays installed in secondary circuits of current and voltage transformers or sensors.

Benefits:
• Reliably supports service continuity : current testing is performed without cutting the energy supply
• Save time during testing operation thanks to “plug & play” concept (socket + test plug)
• Simplify testing: simultaneous testing of 1 to 4 independent circuits on the same socket
• Secure the testing operations thanks to “make before break” test principle, colors and mechanical codings, covers

Main features:
• ESSAILEC allows: measurement, current or voltage injection, repair, device replacement
• IP20 protection degree for the socket and IP40 with the lid
• Sealed cover
• Panel and switchboard mounting : base, flush, rack, TH35 rail
• Several wiring technologies, wire connection up to 10 mm²

 

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

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

Crouzet Manually Operated Switches Application

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Crouzet offers a full range of Manually Operated Switches

A typical lightsaber is depicted as a luminescent blade of magnetically contained plasma about 3 feet (0.91 m) in length. In the Star Wars universe, the lightsaber is the signature weapon of the Jedi Order and their dark side counterpart, the Sith Order.

“Safety is definitely the key feature of a lightsaber”, noticed one of the Electrical Protection specialists at Crouzet DesignLab. Indeed, securely switching on/off such a powerful weapon is a must have for every Jedi.

 

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

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

Bulgin Enclosures

IP67 Enclosures designed for use with control switches and electronic equipment. Available with lids that have pre-moulded cut-outs, Bulgin’s waterproof junction boxes accept industry standard 22mm switches and bases with M20 threaded cut-outs to suit standard cable glands.

With robust ABS plastic, these IP rated waterproof and dustproof plastic enclosures are ideal solutions for providing protection to electronic components and systems that are exposed to harsh environmental conditions.

 

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

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

Cynergy3 IoT Portfolio

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Cynergy3 are pleased to announce the launching of their new IoT Portfolio. The IoT Portfolio includes 6 new transmitters and 3 new receivers, enhancing their existing product offering.

As the demand for wireless sensor networks increases in the development of smart infrastructure, Sensata is positioned as a key provider of wireless solutions.

By developing enabling products, such as receivers and IoT gateways, Sensata is expanding the solution set to directly meet customers needs.

Markets & Applications
• Smart Factories & General Manufacturing
• Alternative Energy
• Chemical
• Electronics
• Food & Beverage
• Machine Tool
• Packaging
• Semiconductor
• Oil & Gas
• Remote environmental/structural monitoring
• Many more…

 

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

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

Schurter TTS Contactless Switch

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Contactless Switch for Hygienic Switching
• Designed for applications in public areas where non-contact switching prevents the transmission of pathogens
• Optical technology precisely adjustable

The Covid 19 pandemic has greatly increased the demand for non-contact push buttons and switches. Various studies show that the transmission of viruses and bacteria via surfaces exposed to constant contact with hands is high.

A wide variety of technologies for contactless switching are vying for the favor of developers and buyers. But not everyone is suitable to the same extent. Often, they also send out false signals under certain
conditions (e.g., splash water, rain) and this trigger unintentional switching. The optical technology TOF (Time of Flight) used in the Schurter TTS can be programmed individually, with high precision, so that malfunctions are prevented.

Highest Reliability
The switch is programmed so that the standard detection distance is 60 to 0.02 mm. This ensures that wiping over or cleaning the switch surface will not trigger a switching signal. Schurter TTS switches offer the highest reliability. Since they have no moving parts, their lifetime is more than 20 million switching cycles.

Ring Illumination and Installation
The visual feedback is ensured by a two-color ring illumination (red/green) in the actuator, whose supply voltage is between 5 and 28 VDC. The simple installation of the TTS, which is fixed by means of a nut, and an anti-twist protection allow a maximum easy replacement.

Areas of Application
The new TTS non-contact switch can be used for a wide range of applications. It is suitable in public areas, for example for vending machines, parking systems or in sanitary areas to avoid any contact by hand. However, the detection distance can also be set so that the switch can be used as a photoelectric barrier for certain applications, this opening up a new field of application.

 

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

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