Category Archives: E-T-A News

E-T-A Publishes Two New, Comprehensive, Product Catalogues

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E-T-A Circuit Breakers has published new 2006/07 editions of its separate CBE (Circuit Breaker for Equipment) and Control Products catalogues, which can be requested free by telephone, email or from the company web site. Providing comprehensive technical details, the catalogues have been expanded to include all the latest product developments.

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The latest 2006/07 edition of E-T-A’s Circuit Breakers and Control Products / CBE Catalogue now runs to over 500 pages.  The 100 page increase reflects, in particular, the expansion of products offering electronic overcurrent protection for selective protection of components in industrial plants, as well as solid state remote power controllers and power distribution systems.  The catalogue provides a complete specification of each E-T-A product and is broken down into 10 clearly thumb-tabbed sections. These sections also include four different classifications of CBEs and explanations of their characteristics and how to choose between them for a given application.

The 2006/07 edition of E-T-A’s Electronic Process Sensors – Electronic Switching and Control / Control Products Catalogue contains 410 pages with 9 thumb-tabbed sections, again including all the latest products. Sections include flow meters and monitors, level and velocity sensors, digital panel instruments, and current and voltage monitors.  All sections are clearly indexed with summary overviews and contain descriptive details of every product. Photographs and fully dimensioned drawings are included, together with technical data, CBE switching characteristics and product ordering information.

Copies of the two catalogues can be requested from E. Preston (Electrical) Ltd (0161 339 5177), e-mail  sales@epreston.co.uk or via the web site at http://www.epreston.co.uk/, which also offers further information on the E. Preston Electrical range of products.

 

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

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

E-T-A, Stylish ‘Water-Splash’ Protected Switch / Circuit Breaker

“Matching 3-position switch version available for 2-speed fans, wipers, etc.”

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E-T-A Circuit Breakers has introduced a new combined switch and circuit breaker for push-fit mounting in switch panels. Its attractive, contoured, ‘soft’ feel rocker actuator with dual illumination and choice of both colour and ‘marine’ legends make it a first-line choice for builders of power-boats and yachts. A 3-position switch version of matching design enables all combinations of switching and circuit protection to be provided in one stylish control panel grouping.

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The new E-T-A 3131 combined switch and thermal overcurrent circuit breaker provides snap-in, panel-mounted, single pole protection against both limited short circuits and low level, but potentially very harmful, overload currents. The integral overload protection negates the need for fuse holders or additional circuit breakers, thus offering great advantages for boat users and simplifying the wiring circuits. Models are offered in current ratings from 0.1A to 20A at up to 50V DC/240V AC for single pole applications. The complementary E-T-A 3131 three-position switch with matching actuator design offers the additional switching required for units such as 2-speed fans and wipers.

The ergonomically styled rocker actuator on both versions of the E-T-A 3131 is soft to the touch and offers two illumination options with a number of different permutations possible.   Splash water protection is assured even in the toughest nautical conditions with its IP66 rating. The 3131 CBE is one of the smallest and lightest products of this type on the market, making it ideal for the protection of circuits and equipment including vital navigation and communication equipment.

 

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E-T-A, Electronic Circuit Breakers Provides Circuit Protection and Remote Switching for Telecom Systems

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E-T-A Circuit Breakers has introduced a new remotely controllable electronic circuit breaker for protecting and monitoring systems in the telecommunications industry. It can be used for the negative switching of loads on –48V DC power supply systems.  Major application areas include power distribution systems, exchange and transmission technology, and mobile telephone base stations.

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The new E-T-A ESS60T Electronic Circuit Breaker is available in a range of current ratings, from 5A up to 60A, to provide circuit protection and remote switching/resetting. Designed for installation in 19″ rack systems, it features an integral ON/OFF button, allowing manual reset, and an LED status indicator. The overcurrent protection capability reliably prevents destruction of electronic components or load lines during switch-on of capacitive loads or through an overload or short circuit. In the event of a short circuit, it is also designed to eliminate short-term high currents which could cause an undesired voltage dip in the power supply or in the power distribution system, thus avoiding consequent system crashes.

The ESS60T features an integral RS232 serial interface to allow re-programming of set overcurrent and undervoltage parameters to match changing circuit conditions. By this means the overcurrent threshold can be adjusted, and the undervoltage threshold can be adjusted between –36V DC and –48V DC to facilitate a priority-based load shedding capability in the event of failure of the mains power. The serial interface also enables ON/OFF switching from a remote location, as well as the ability to remotely reset the load circuit. The ESS60T meets the requirements of the European EMC directive.

E-T-A offers a wide range of power distribution systems, racks and circuit protection solutions for the telecommunications industry, as well as offering racks or sub-assemblies, wired and pre-fitted with circuit breakers, electronic power controllers and other components customised to meet specific requirements.

These products are highlighted in a new 20-page brochure ‘E-T-A Communication’, available free from E-T-A at http://www.e-t-a.com/uk_literature1.html. This covers products used in exchange and transmission technology as well as mobile telephone base stations. It emphasises the complete system solutions and explains the advantages of E-T-A circuit breakers, including their space saving, the ability to ‘hot swap’, and the local/remote re-set capability. Along with descriptions of 20 products it also lists their typical applications.

 

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

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

E-T-A, Modular Power Distribution Rail for Control Cabinets

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Ideal unit for E-T-A 8345 hot-swappable CBEs in telecomms and other industrial applications

E-T-A Circuit Breakers has introduced a new, compact, modular power distribution system suitable for rack mounting to handle currents up to 125A per channel. When populated with E-T-A circuit breakers, it facilitates rapid start-up and re-configuration of complex systems without downtime.

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The E-T-A X8345-D01 Power Distribution System is a 2U-height rail system designed for fitting into 19″/23″ or ETSI racks. Its modular design allows customer-specific and economic configurations in telecommunications and transport industries, for power supplies, switchgear, instrumentation and process control applications. It accepts the plug-in E-T-A type 8345 circuit breakers which can be specified to handle from 0.05A up to 125A each and which offer group signalisation. A complete X8345-D01 module will handle 600A in total. Systems can be extended or re-configured without powering down as X8345 circuit breakers are hot-swappable. Live parts in the plug-in area of the load terminals are protected against brush contact to IP20. 

In combination with the toggle switch, hydraulic-magnetic type X8345 circuit breakers, the X8345-D01 rack is ideal for telecommunications control cabinets. They provide a comprehensive power distribution system to protect wireless or wireline equipment, whether for switching technology, transfer mode systems, network access technology or mobile radio systems.

The E-T-A 8345 magnetic circuit breaker for equipment (CBE) is a fully approved circuit breaker for telecommunications equipment, plant control systems, the rail industry and other applications where reliable protection in a compact package is essential. The 125A maximum rating is 25A higher than the industry norm, allowing designers to increase power output without consuming valuable rack space. The product is fully approved to UL489, UL1077 and EN 60934, requiring the circuit breaker to be fit for purpose after interrupting a short circuit at its maximum specified fault rating. Thus, an extra measure of protection for expensive electrical equipment is assured, reducing costly downtime caused by power interruption.

E-T-A offers a wide range of power distribution systems, racks and circuit protection solutions for the telecommunications industry, as well as offering racks or sub-assemblies, wired and pre-fitted with circuit breakers, electronic power controllers and other components customised to meet specific requirements.

These products are highlighted in a new 20-page brochure ‘E-T-A Communication’, available free from E-T-A at http://www.e-t-a.com/uk_literature1.html.  This covers products used in exchange and transmission technology as well as mobile telephone base stations. It emphasises the complete system solutions and explains the advantages of E-T-A circuit breakers, including their space saving, the ability to ‘hot swap’, and the local/remote re-set capability. Along with descriptions of 20 products it also lists their typical applications.

 

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

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

E-T-A, Compact, Electronic, Non-Contact, Level Sensor and Monitor

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High Reliability even with Aggressive Media

E-T-A Circuit Breakers has introduced a new, tube sensor for non-contact, long-life detection and signalling of MIN or MAX liquid levels. Easily snap-fitted to a tube, the TLS100 features solid state circuitry to provide extremely precise and reliable operation for complex or sophisticated applications in process industries such as food, chemicals and pharmaceuticals as well as with medical equipment.

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The compact E-T-A TLS100 Tube Sensor is a non-contact, capacitive sensor providing reliable limit-value monitoring over a long life span. It is designed to easily clip onto a tube or pipe, enabling monitoring of water and similar low viscosity liquids, aggressive or not. Two mounting lugs also enable additional local fixing for security. The tubes can be of plastic or glass with up to a 4mm wall thickness. Clips can be specified for tube diameters of 10mm, 15mm or 25mm. Even containers with difficult designs can be monitored by means of a simple by-pass tube.

The TLS100 has a micro-controller at its core to control key functions such as switch point, MIN or MAX monitoring and response delay. Adjustment is via a 15-step potentiometer on the body of the sensor. The solid state circuitry ensures extremely precise, reliable operation with minimal maintenance, thanks to the absence of moving parts. Running from a 12V DC or 24V DC supply, it offers a short-circuit and overload-proof plus or minus switching output signal of up to 1A. The supply and signalling lead is optionally built-in or plugged in.

 

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E-T-A Products Gain Achilles Link-Up Qualification for the Rail Industry

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Achilles Link-Up Scheme enables supply and overhaul of electrical components, general enclosures and electrical/electronic equipment (including modules).

E-T-A Circuit Breakers, designer and manufacturer of a broad range of electro-mechanical and electronic products for circuit protection, switching and control, is pleased to announce its recent inclusion in the Achilles Link-Up Qualification Scheme. Link-up is the UK rail industry supplier qualification scheme, providing a single common registration, qualification and audit process for suppliers.

E-T-A Circuit Breakers has met all the demanding criteria required by the Achilles Link-Up Qualification Scheme in order to be included to supply and overhaul electrical components, general enclosures and electrical/electronic equipment, including modules. The qualification scheme supported by Network Rail and over 80 other Rail companies in the UK is an initiative implemented to comply with the EU Utilities Directive, Group Standards (including GM/RT2450) and the EU Utilities Directive (where this is applicable), and to support the Supplier Development Policies of Rail Companies who subscribe to the scheme. More information can be found at www.achilles.com/uk/transport/ 

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E-T-A manufactures a range of products suitable for the rail industry for refurbishment projects and for new applications in surface and underground rolling stock. These include the versatile 3120-F7 rocker switches with integral, precision circuit breakers. These attractive, ergonomically-styled products are ideal for passenger use, for example for the frequent on-off switching of lights and heaters, at the same time providing accurate overcurrent protection. The fully approved E-T-A 8345-DC110V circuit breaker is believed to be the only product of its kind which is backed up with full test data for 110V DC usage with the highest fume classification. It can be used in F0 locations in passenger carriages. The product is backed by full test data to international standards to withstand vibration, shock, corrosion, humidity and 5000A rupture capacity at 110V DC.

 

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E-T-A’s Wide Range of Circuit Protection Solutions

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E-T-A Circuit Breakers designs and manufactures a broad range of electro-mechanical and electronic components and sub-systems for circuit protection, control and instrumentation, including the world’s largest programme of circuit breakers for equipment (CBEs). Alongside examples of systems solutions, the company will be showcasing electronic circuit breakers for the protection of circuits in factory automation systems, as well as flow meters and level sensors for the process industry.  

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The E-T-A ESS20 electronic circuit breaker selectively protects individual output circuits from switch-mode power supplies (SMPS). It provides advanced circuit protection for loads such as sensors, actuators, field bus couplers and controls. In combination with an E-T-A power distribution system, Module 17plus or SVS02, the ESS20 offers optimum utilisation of cabinet space, as well as minimising wiring and reducing installation and maintenance costs.

The company offers CBEs with current ratings from 50mA up to 500A. Activation mechanisms include thermal, thermal magnetic, magnetic and magnetic hydraulic. They include high performance products for aircraft, and specialised circuit protection devices for buses, trucks, workboats and pleasure boats. In addition to a wide range of standard products, many of which can themselves be adapted to specific requirements, E-T-A specialises in providing customised solutions. This is a complete service extending from design and prototyping through to full production of sub-systems such as 19″ subracks, fully populated and pre-wired with plug-in CBEs. These solutions may be anything, from simple brackets and bus bars to more complex assemblies built and supplied ready to fit and forget. As circuit protection specialists, E-T-A has the expertise and in-depth knowledge of its products to ensure that the most suitable ones are chosen to optimise the design and produce the most cost-effective solution.

 

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