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overview

14.4V Cordless Angle Grinder  (Tool Body Only)

Details
EY4640X
Features
  • Tough IP 56
  • Slim Grip
  • Electronic Performance Monitoring System

Features

EY4640X Tough IP™ Li-ion 14.4 volt 3.3Ah 4-1/2” Angle Grinder


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For high-speed metal cutting and grinding

Electricians, plumbers, metal construction and general contractors facing remote rebar or metal cutting and grinding jobs will find the Panasonic EY4640X 4-1/2” cordless angle grinder the right tool for these types of jobs. The compact tool’s slim-grip design allows the user to firmly grasp the tool and use it comfortably in overhead or lateral-reach positions. The compact tool, just 14-3/8” long x 4-1/8” tall and 2-15/16” wide, weighs only 4.85 lbs., including battery. The tool has an “ON” lock mode that prevents the tool from starting if the battery is inserted while the switch is on. A warning light will flash that the ON switch has been locked out, helping prevent accidental injuries or work piece damage from a runaway tool.



Tough and long-lasting battery packs

The tool, powered by any of Panasonic’s 14.4-volt 3.3Ah LR Li-ion battery packs, is built for heavy use, long runtimes between charges and long cycle life. The battery pack is protected by the tool’s electronic performance monitoring system that monitors each battery cell during use and during charging to prevent over discharge and over heating. Using the Panasonic EY0L82B battery charger, the packs can be charged to 80 percent capacity in 50 minutes and fully charged in 65 minutes. The EY4640X is sold as a tool-only model, without battery or charger. Users may prefer to use the tools with Panasonic’s exclusive 14.4-volt 3.3Ah LR battery pack that is built for heavy use, long runtimes between charges and long cycle life. Unlike manganese-based Li-ion batteries used in many cordless power tools, Panasonic’s exclusive cobalt Li-ion battery technology produces less internal heat buildup that can kill battery packs. The battery packs also feature Panasonic’s Solid Solution technology, a proprietary process for dissolving and hardening cobalt and nickel and other key battery components. This unique chemistry dramatically improves battery pack safety, reliability and power output. A special heat-resistant ceramic coating layer separates cells and protects them from heat buildup. Together, the chemistry, battery design and manufacturing process add up to powerful batteries that promise to deliver long running lives. Panasonic 3.3Ah LR battery pack cells are independently monitored for even discharge while preventing over-charging and over-discharging. An over-discharge sensor prevents the user from running the tool after it reaches the point where too-low voltage output could damage the battery and the tool. Plus, an internal temperature sensor flashes a warning light if internal temperatures rise, and then cuts off tool power if battery temperature reaches critical levels. Water getting into the battery doesn’t have to mean it’s a goner. Panasonic engineers have added vents built into the 3.3 Ah LR battery case so water can easily drain out of the battery pack.




Tough tools for tough conditions

The EY4640X 4-1/2” grinder has an IP56 rating that proves the tool’s toughness claims. This rating means the tool has withstood demanding laboratory tests of working in extremely dusty work environments and the effects of water getting sprayed on the tool by powerful jets. In the field, it assures professional tradesmen have a tool that can stand up to the rigors of hard jobsite use. The IP rating is established by the International Electrotechnical Commission (IEC) and is outlined in IEC 60529. The standard outlines a coding system that indicates the degree of protection an electrical machine’s enclosure offers internal components. Based on objective testing, it assigns a rating to the enclosure’s ability to keep potentially damaging solid foreign objects (dust and contaminants) and water out of the tool under increasingly difficult conditions. The dust protection test subjects the tool to a very dusty environment and then puts it to work to assure the tool was unaffected by dust exposure. In the grueling test, the tool proved that it achieved a dust protection level of five out of six levels; the sixth level is for dust-tight tools. It’s a good indication that the tool’s design keeps potentially harmful contaminants out, assuring long life and top performance that professionals demand. Similarly, the water protection test put the tool up against increasing levels of water exposure. It attained a six out of eight levels rating, withstanding the effects of powerful water jets. Whether it’s extremely dust work conditions or work in damp or wet locations, users will appreciate a tool that will keep working when others would likely fail. Consult the safety and operating instructions for more information.


Learn more about Panasonic's Intelligent Power Tools and the IP56 code, view What Is Tough IP


SpecificationsExpand All

  • MORE DETAILS
    • Compact Size
    • Lightweight
    • Disc Dia.
    • Battery
    • Extra battery
    • Charging System
    • RPM
    • Replaceable Motor Brushes
    • Spindle
    • "ON" Switch Lock
    • Ergonomics
    • Acceptable Battery Packs
    • LED Work Light
    • GuardION Battery Protection System
    • Belt Hook
    • Typical Applications
    • Carrying Case
    • Available Formats
    • Dimensions (H x W x D)
    • Weight
    • UPC
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