PKE 65 Motor-Protective Circuit-Breaker with Electronic
Wide-Range Overload Protection Extends the PKE Range
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.
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Editor's Notes
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 .
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