Motor starters can help protect your motors from damage caused by over voltages and under voltages. Our selection includes starters with electronic overload and models with thermal overload protection. Definite purpose contactors are suitable for many air compressor, agricultural equipment, pump, and food service equipment applications. Many of these models come with quick-connect terminals to ease installation. Manual motor starters can provide On/Off operation and overload protection for many small 1-phase, 3-phase, or DC motors in small machine tool, pump, fan, and conveyor applications. Looking for a model suitable for hazardous locations?

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We have motor switches and starters that are suitable for areas where there may be ignitable gases, vapors, and dusts. Our selection of motor starter accessories includes starter control kits, enclosures, and starter power bases for many motor starter models. Shop Grainger for many of the electrical starters you're looking for.

The right soft starter for every application SIRIUS soft starters are the best solution when direct or star-delta starting doesn’t apply to three-phase motors, because problems can often arise due to mechanical impact in the machine or voltage drops in the line supply. Our range of soft starters with intelligent functions offers a soft alternative for almost any application, from simple to sophisticated drive requirements such as heavy-duty starting. They enable you to start three-phase motors smoothly, easily, and efficiently and implement reliable machine concepts. Thanks to its maximum functionality, the intelligent SIRIUS 3RW55 soft starter masters difficult startup and stopping processes in a soft manner. Integrated smart functions (such as pump cleaning, pump stop, automatic parameterization, and condition monitoring) support users in the smooth operation of their plant. • 3-phase control for optimal motor start • Engineering in TIA Portal • Various bus connections (PROFINET, PROFIBUS, Modbus) • Integrated operator panel with display • Electrical robustness • For drives in performance classes from 5.5 to 1,200 kW.

Highlights In which soft starter technology do I need to invest in the next 6 months? To create reliable machines, our new SIRIUS 3RW5 soft starters offer you intelligent functions such as automatic parameterization, pump cleaning, and condition monitoring. So if you’re designing a new machine in the near future, we’ll support you with sophisticated solutions for pumps, compressors, fans, and conveyor belts, or with process development; regardless of whether your machine is intended for the automotive, wastewater, or the food and beverage industry. Example: Water supply When pumps are used to convey large volumes of water in the public water supply system; for example, for buildings or pump stations, shutting them down is challenging. Based on their design, these pumps stop immediately which can result in “water hammers” in pipes, couplings, valves, and seals caused by the kinetic energy of the conveyed volume in the piping system.

To prevent damage, 3RW52 and 3RW55 soft starters have a pump stop function that makes it possible to bring pumps to a controlled stop. Example: Fans Fans for air conditioning systems, buildings, tunnels, and parking garages are generally very large and heavy, which means that they sometimes require several minutes to start. This can occasionally result in supply voltage dips.

Soft starters themselves require a control supply voltage of 230 V and a primary voltage of 400 V. The SIRIUS 3RW30/40/5 soft starters include wide-range voltage versions, such as 110 to 250 V AC for the 3RW52/55. This means that even in the case of a voltage dip, the soft starter and the motor and application are guaranteed to operate. Nightmare creatures 3 angel of darkness pc download. Thanks to the electrical robustness of our soft starters, operation is also guaranteed in power supply networks with occasional power dips.

Hybrid switching technology combines the advantages of electronic control via power semiconductor with the low-loss conducting properties of mechanical switching contacts. In each case, the strengths of the particular technology are exploited during the appropriate operating phase. During the motor’s startup process, the soft starter is operated via the power semiconductor, which permits a fine and targeted control of the starting current. Once the motor has been soft-started by means of the semiconductor, the low-loss switching contacts supply the current for the rest of the operating phase until shutdown.