Eaton, leading manufacturer of components and systems for electrical engineering and automation, has launched a new addition to its range of PKE motor-protective circuit-breaker with wide-range overload protection. The new PKE 65 has a compact, modular design providing optimum flexibility for motor currents up to 65A. Modular standard components for creating motor starters are also perfectly matched and easy to combine. Users can also make use of accessories from the Eaton PKZ system providing easy to exchange and perfectly matched devices.
Electrical motors currently in operation come in a wide range of different variants. In the majority of processes their particular features enable them to determine production efficiency. A motor fault often not only jeopardises the device, but also prevents a smooth production process and causes costly downtime. Motor protection is therefore not only essential from a technical point of view but also from a financial perspective.
Thanks to their special features, the PKE motor-protective circuit-breakers offer an interesting alternative to the bimetal solution and an addition to the Eaton PKZ device line. Compared to devices with a thermal release, motor-protective circuit-breakers with electronic wide-range overload protection feature several key benefits. These include large setting ranges, a low heat dissipation, tripping classes also higher then Class 10, as well as precise and extremely long-time stable tripping characteristics: the large current setting ranges reduce the number of variants by up to 80 percent compared to those with bimetal trips. This minimises engineering requirements as well as costs, whilst reducing stock-keeping and tying up less capital.
The PKE-SWD modular COM interface for PKE12, PKE32 and PKE65 motor-protective circuit-breakers, and the PKE-SWD-32 interface for MSC-DEA motor starter combinations with PKE12 and PKE32 motor-protective circuit-breakers enable the actual current of the drive and the thermal motor load to be measured as well as various indication functions, such as diagnostics, status or overload. The data is transferred via SmartWire-DT directly to the controller and is made available throughout the entire plant for condition monitoring or for remote maintenance tasks. The motor-protective circuit-breaker is integrated in SmartWire-DT, and adds additional availability, efficiency and cost effectiveness to its basic on/off switching for normal operation and protection functions. This allows predictive maintenance and repair, thus increasing reliability and system availability, as well as proactive access to process data in the operating sphere of the motor-protective circuit-breaker.
Eaton’s electrical business is a global leader in power distribution, power quality, control and automation, power monitoring, and energy management products and services. Eaton is positioned, through its Cutler-Hammer®, Moeller®, Powerware®, Holec®, MEM®, and Santak® global electrical product series, to answer today’s most critical electrical power management challenges.
Eaton Corporation is a diversified power management company with 2010 sales of $13.7 billion. Eaton is a global technology leader in electrical components and systems for power quality, distribution and control; hydraulics components, systems and services for industrial and mobile equipment; aerospace fuel, hydraulics and pneumatic systems for commercial and military use; and truck and automotive drivetrain and powertrain systems for performance, fuel economy and safety. Eaton has approximately 73,000 employees and sells products to customers in more than 150 countries. For more information, visit www.eaton.com.
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