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Schurter Power Cord Assortment is Expanded

July 3, 2012

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Schurter provides a broad range of cord sets. For a better overview Schurter has consolidated its assortment to include a variety of frequently requested standard types.  European and US cord sets, including the hospital grade version, are now available throughout the Schurter group at competitive prices.

With the 30 newly defined standard cord sets Schurter offers its customers a better product overview, prompt availability and best prices. Variety and choice are not compromised since customized solutions will continue to be offered on request depending on order quantity.

Included in the standard range is the successfully launched V-Lock cord retaining solution.  The system prevents the cord from being pulled out of the socket unintentionally. Various different connectors, power entry modules and several country-specific power cables are available with this option.

Schurter's cord sets meet international safety standards. Available current ratings range from 2.5 amps to 16 amps.

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Hylec-APL IP68 TeePlug Connectors Provides Waterproof Solutions

June 25, 2012

Hylec-APL’s patented weatherproof TeePlug connectors have been used to form safe electrical connection on some of the world’s biggest aquaria. A leading designer of luxury aquaria for both private and public consumers uses the discrete plug and socket connectors as it finds traditional industrial systems cumbersome and time consuming to install.

*  Offers a quick IP68 electrical connection.
*  Ensures waterproof protection to a depth of 50 metres (Depending on model chosen).
*  Aesthetic and discrete design.
*  In-line male and female design allows for pre-wiring.
*  Twist-lock or screw down collar to secure the connection.
*  From just 90mm long (when closed).
*  2-6 pole connection.
*  Part of the weatherproof TeeFamily range of connectors.

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Finder Low profile 41 Series PCB Relays now Available with AC Coils

June 25, 2012

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Finder’s popular low profile relay range has now been extended for use with AC supply voltages. The new 24VAC and 230VAC versions of the 41 Series are ideal where the use of a DC supply voltage proves unsuitable, or would incur additional cost.

Available in single and 2-pole contact versions, with rated switching currents of 8A and 16A, the 15.7mm high relay will find useful applications in electronics, control panels, machine and factory process control systems—particularly where space constraints place limits on height.

With a rated coil power of 0.9VA, the low consumption promotes energy saving, and the cadmium-free contact materials conform to current and future REACH and WEEE directives. It also features RTII environmental protection, making it flux-proof for automatic flow soldering.

The 41 Series low profile relay can be mounted directly onto the pcb, or into a pcb socket. It can also be used with a range of 35mm rail-mounted sockets, with screw or screwless terminals – all available with EMC suppression modules and with the option of a time-saving jumper link.

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E-T-A Introduces "PowerPlex Compact" a Low-Cost CAN-bus Controlled Decentralised Electrical Power Distribution System

June 12, 2012

E-T-A Circuit Breakers, quality designer and manufacturer of a broad range of electro-mechanical and electronic  products for circuit protection, has introduced a new, simplified, low-cost, decentralised  electrical  power  distribution system, each module offering up to 10 outputs rated up to 8A/10A per channel. E-T-A  PowerPlex  Compact provides localised monitoring, control and reliable protection of safety-critical electrical circuits, at the same time offering reduced cabling costs and build time. Communication with the PowerPlex modules is via CAN-bus using SAE J1939 based protocols. Each localised module will handle up to 60A, providing programmable control based on up to 12 digital and 3 analogue inputs as well as programmable overload protection.

Currently available as a 12V DC version, E-T-A PowerPlex Compact is straightforward to install and can be used for  applications such as battery monitoring of split charging circuits, undervoltage monitoring and control, remote operations based on level and flow sensors, responding to limit switches in tail lifts, dimming of lights and for timed controls. It will switch loads and protect them and the electrical harness against overcurrent and short circuits. Featuring high-end power semiconductors with integral protective elements for switching and protection, there are no mechanical components such as relays which may be subject to wear, vibration and shock.

One or more PowerPlex modules are positioned as required around a vehicle to facilitate the local connection of  loads, switches and sensors. Each module can collect sensor data from level and temperature sensors, for example.  E-T-A  PowerPlex is an open system featuring two CAN-bus communication channels which enable control via an E-T-
A  touch  panel or  keypad(s), if required, to enable load switching, and monitoring and display of data from analogue and digital sensors.

The  initial programming of each module via a cable linked PC is straightforward, using configuration software  supplied with the product. It enables, for example, the linking of inputs and outputs, programming of timer  functions and activation of dimmers. The current ratings for overcurrent protection of the load circuits and time characteristics can also be programmed.

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Finder’s New 7S Series Relay with Forcibly Guided Contacts Supports Safety Applications

June 8, 2012

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When safety is paramount and required to conform to increasing amounts of new legislation, Finder’s 7S Series forcibly guided contact relays offer a competitively priced and compact solution for designers and engineers who require confirmation of the functional integrity of critical circuitry.

Class A forcibly guided contacts rated at 6A, 250VAC and conforming to EN50205 requirements, make the 7S Series suitable for many safety related applications.

The screwless terminals allow for quick, vibration-resistant connections, and the availability of 2, 4 and 6 pole versions makes the relays suitable for a wide range of uses in machine and plant control systems and energy generation, as well as water supply and treatment. Utilizing materials that comply with UNI 11170-3 for fire and smoke characteristics, and meeting the requirements of EN 61373 and EN50155 for mechanical and climatic characteristics also ensure they are suitable for railway applications.

With an operating voltage range spanning 0.7 to 1.25 of nominal, Finder’s new 7S Series tolerates a wide supply variation.

Standard gold-plated or notched crown contacts provide high reliability switching, with a minimum load rating of 60mW.

Meeting the requirements of EN 13849-1 for functional reliability in machines and plant engineering, the 7S Series relays are housed in compact 22.5mm rail mounting enclosures equipped with quick-connect cage clamp terminals and LED coil status indication.

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Obsolete Saia Burgess M3BRMA - Not Anymore! Alternative Now Available!

June 7, 2012

      

Obsolete Saia-Burgess Parts

Although Saia-Burgess has discontinued the manufacture of the popular part M3BRMA there continues to be regular on-going demand for this switch from varied industries and applications.

Contact E. Preston Electrical to receive information about the alternative offered for this obsolete part.  Equivalent part for M3BRMA is now available with virtually the same form, fit, function and quality that will make this part available long into the future.

What about other Saia-Burgess obsolete parts.  We also offer direct alternatives to old parts such as M3BRML, 4CRQ, 4CR7, 4CRQR2, CB, CBL, CQR2, CR Series, CT Series & PN4 Series.

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Hylec-APL Launches New ‘One Size Fits All’ IP68 Junction Box

May 30, 2012

Hylec-APL's latest small sized Paguro junction box utilizes an innovative adaptor which allows it to accommodate a wide range of cable diameters whilst still maintaining good cable retention. The junction box is ready packaged with a silicone sealing gel to ensure IP68 ingress protection.

* Specialised adapters allow secure entry for cables between 6.5mm to 12mm Ø
* Small footprint of only 44 x 95 x 24mm
* Supplied with 3 or 4 pole terminal block.
* Silicone gel is supplied pre-loaded so the product is ready to use.
* The silicone gel features a unique elastic memory which enables re-wiring of the junction box without replacing the gel.
* IP68 protection provides ingress protection when fully submerged in water or buried below ground. 

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E-T-A BMS01 Battery Master Switch for Road Vehicles Carrying Hazardous Goods

May 29, 2012

 

 

 

Switch in Accordance with Latest ADR 2011 Regulations

E-T-A Circuit Breakers, quality designer and manufacturer of a broad range of electro-mechanical and electronic products for circuit protection, offers the BMS01 Battery Master Switch designed for hazardous goods carrying road vehicles that comply with the European International Carriage of Dangerous Goods by Road (ADR) regulations. The environmental protection and intrinsically safe control circuitry of the BMS01 are in accordance with ADR 2011. The battery master switch also satisfies the additional requirements of UK operators. The BMS01 will serve as an emergency shut down switch as well as disconnecting and reconnecting the vehicle’s electrical system when loading and unloading.

The double pole E-T-A BMS01 Battery Master Switch is installed close to the vehicle’s battery, between it and the electrical system: it can also be connected to act as a single pole device. The battery master switch can then be operated by means of a control switch in the cab, with optional additional control switches sited around the vehicle as required. Upon disconnection of a control switch, the main contacts of the BMS01 will open after a preset delay to allow for the controlled shutdown of computerised engine management systems. A choice of two delay times is offered, with auxiliary contacts providing output for an audible alarm during the delay period. Additional auxiliary contacts are provided for disconnection of the ignition circuit and de-energising of the alternator field winding. There is also a permanently energised protected output for the tachograph supply.

A choice of low voltage monitoring is available if required: it offers automatic disconnection of the battery after one minute, or signalisation, if undervoltage is detected while the vehicle is idle. This offers protection of the battery from the effects of deep discharge and ensures there is sufficient battery capacity for re-starting the engine.

12v and 24V versions of the BMS01 are available. An integral ATEX-approved safety barrier permits siting of the unit in hazardous areas. The master switch features a housing protected to IP65 with rubber caps on the terminals offering protection to IP54. A bi-colour LED on the body of the master switch provides clear status signalisation of the battery isolation switch and low voltage detection.

E-T-A can supply suitable control switches for the BMS01, protected against inadvertent operation. An externally mounted switch assembly is also available incorporating the green “ON” status indicators mandatory in the UK.

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Schaffner RB Series Current-Compensated Chokes for the Circuit Board up to 80A

May 29, 2012

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Schaffner has added the RB series to its product program of current-compensated chokes. The chokes are available as one- and three-phase designs in horizontal and vertical construction for currents from 16 to 50A.

Characteristic of the RB series are the open construction and clear separation of the windings by the use of a new bobbin design. With forced cooling the chokes can operate with up to 80A. The air gaps and leakage paths are designed for working voltages of up to 600Vac /1000Vdc.

Particular value was set on the pin-out of the chokes to permit a simple layout of the circuit boards. A straightforward circuit path design has advantages in terms of losses and noise suppression, especially for applications at higher current levels.

An application note also provides important information how to integrate EMC/EMI filters into circuit boards.
As a result, the EMC/EMI filtering can be incorporated into the circuit board of power electronic devices, such as inverters for drive applications, for photovoltaic or for charging stations. The RB chokes can be mounted directly to the circuit boards and are thus applicable for electronic devices that are exposed to vibration.

RB chokes comply of course with the RoHS and REACH requirements.

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