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GE Motor Control Centers Serve Many Applications
Our low voltage and medium voltage motor control centers are suitable for applications such as pulp and paper, mining and metals, utility, chemical, oil and gas, mass-production manufacturing, and water & waste water. Since 1940, GE motor control centers have been designed and manufactured with demanding applications like this in mind. Our MCCs offer an enormous amount of application flexibility while adhering to the most stringent industry standards.
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The GE Limitamp motor control center provides an economical means of centralizing motor starters and related control equipment. It permits motor control starters, feeders, isolator switches, distribution transformers, interlocking relays, programmable control, metering and other miscellaneous devices to be obtained in a single floor-mounted structural assembly fed from a common enclosed main bus.
Limitamp motor control centers are constructed of standardized heavy gauge vertical sections housing vertical and horizontal buses and compartmented starters. Sections are bolted together to form a single line-up assembly. The entire center may be powered by incoming line connection at a single point.
Typical applications are in paper, steel, cement, rubber, mining, petroleum, chemical, and utility-type industries. Limitamp control is also used in water and sewage plants and public buildings for air conditioning, pumps and compressors.
Features and Benefits
* Visible blade disconnect switch
* Proven, high reliability vacuum contactors (2 million operations)
* Quick-make / quick-break disconnect switch
* Modular, flexible enclosure construction
* Extensive protective relays from GE Multilin®
* Epoxy insulated bus available
* Drawout and stationary contactors
* 1 high and 2 high arrangements
* UL / cUL available on most units
* Large isolated low voltage compartment
* No rear access required
* Matching line-up with all existing Limitamp installed equipment
* Construction Options
- Main bus: 1200A, 2000A, 3600A
- System voltages: 2400V, 3300V, 3600V, 4160V, 4800V, 6600V, 7200V
- Contactor sizes: 400A, 800A
- Enclosure types: NEMA 1, 1A, 2, 3R, 12
- Bus bracing: 50 KA symmetrical
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You can save installation and integration time, reduce downtime, increase efficiency and improve process control with our intelligent motor controls from Rockwell Automation. CENTERLINE MCCs feature the following motor controls:
Across-the-line starters with E3 solid-stateoverload relays
SMC and SMC-Flex soft starters
PowerFlex variable frequency AC Drives
What sets these intelligent motor controls apart from traditional motor controls is their ability to capture important performance information about your motors and deliver this information via built-in networking to where it is most valuable.
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To compete in a global economy, you need all the parts of your operation working together at maximum efficiency. This includes your motor controls. If you control motors with decades-old technology, you are missing a significant opportunity to gain a competitive edge in your market. Rockwell Automation NEMA Motor Control Centers (MCC) feature intelligent motor controls in a versatile enclosure that help you compete and win in a world economy and the safety features also help you meet your safety goals.
You can save installation and integration time, reduce downtime, increase efficiency and improve process control with our intelligent motor controls from Rockwell Automation. CENTERLINE MCCs feature the following motor controls:
Across-the-line starters with E3 solid-stateoverload relays
SMC and SMC-Flex soft starters
PowerFlex variable frequency AC Drives
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Motor control centers provide a convenient, centralized means of protecting and controlling all of a facility's motor loads.
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AC Magnetic Motor Controls:
AC controllers for use with new or existing wound rotor or squirrel cage motor drives featuring contactor type secondary control or solid state four quadrant speed regulation. They are ideal for motor primary or secondary controls, eddy current brake hoist, counter torque hoists and life bridge controllers. Also available are adjustable frequency drives. Hubbell AC Motor controllers are designed to meet your specifications and constructed to fit you space.
DC Magnetic Motor Controls:
The most complete line of standard and custom controllers. All controllers are front wired, from connected and front accessible in NEMA rated contactor sizes 0 through 8 for EOT crane control, dynamic lowering and reverse-plugging installations. Also available are mill auxiliary controllers, special circuits to meet custom installation requirements and special construction to meet customer specifications.
AC/DC Solid State Motor Controls:
Hubbell's S²MC Solid State Stepless Motor Controls are ideal for controlling overhauling loads such as lift bridges, bridge cranes, bucket/grapple cranes, portal/whirly cranes, turbine cranes, tramways, and coke oven drives.
Utilizing AC induction motors (squirrel cage and wound rotor) the line of S²MC controllers are available in both primary thyristor (4920 series) and secondary thyristor (4940 series) through 500 hp, or more, and capable of operating on 208/230/380/460/575, 3 phase VAC, 50/60 Hz. The line of S²MC controls have been successfully applied on hundreds of applications for over 15 years.
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SINAMICS GL150
The rugged converter for synchronous motors up to 75 MW
The LCI-converter (load commutated inverter) SINAMICS GL150 extends the SINAMICS drive family to highest power ratings.
SINAMICS GL150 is designed as a drive converter for single-motor applications with variable and constant torque characteristic. The converter is available in air- and water-cooled design and achieves power ratings up to 74 MW (water-cooled design). Higher ratings are available on request.
SINAMICS GL150 is used for speed-variable operation as well as for start-up operation of large synchronous motors and generators. The typical speed range extends up to approx. 6000 rpm. When used as start-up converter the speed-range is limited by the synchronous line frequency. Within this range a speed control range of 1:10 or 1:100 can be realized. Due to the topology regenerative (4Q) operation is possible without additional measures. The drive converters SINAMICS GL150 drive converters offer an economical drive solution for highest power ratings of 74 MW and beyond, which can be adapted to specific customer needs with a wide range of optionally available components and accessories.
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Spectra Series 8000 Line
Motor control centers provide a convenient, centralized means of protecting and controlling all of a facility's motor loads. In many facilities today, these motor loads often are precision HVAC systems responsible for cooling sensitive electronic equipment - servers, routers, switches, pc's, etc. Any power outage or fault event could severely damage this equipment and ultimately bring all operations to a halt - resulting in huge financial losses.
Since 1940, GE Motor control centers have been designed and manufactured with demanding applications like this in mind. Built using Six Sigma quality guidelines, GE MCCs offer an enormous amount of application flexibility while adhering to the most stringent industry standards.
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... see all the products in the category
AC drives
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Engine Controller – EC-1
Compact engine controller with optional J1939 engine communication. The integrated communication makes remote control possible and with an optional GSM modem, the EC-1 can forward SMS/text messages.
Features include:
- Engine control
- Engine monitoring
- Multi-language display
- Engine CAN bus communication
- 6 configurable binary inputs
The EC-1 is an attractive alternative for key starters if you require extra communication such as engine communication or remote communication
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The main engine is considered the lifeline of the ship. The WE22 constantly monitors and optimally controls the main engine.
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The Keystart range provides manual start/stop and automatic fault protection for generators, pumps and other engine-driven applications:-
* Simple, compact design
* 92 x 92 mm or 68 x 68mm DIN panel cut-out
* Security keyswitch
* Fuel, starter and timed preheat control outputs
* LED and icon indication of preheat, fuel on and fault conditions
* Overspeed shutdown option, with link-selectable input source (magnetic pickup or AC generator)
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Engine monitoring system Watch-free system model : WE500
- Larger screen size
The LCD screen size is enlarged from 12.1" to 15". The image resolution is enhanced from 800 x 600 pixels (SVGA) to 1024 x 768 pixels (XGA). The number of display colours is also increased from 12 to 16,777,216. Furthermore, two larger size of LCD displays can be connected externally as an option.
- Mimic screens are made available
- Remote control for pumps and valves
Mimic screens provide remote control for pumps, valves and other kind of devices.
- Hardcopy function is added
Hardcopy is available by using a printer comes standard with the system
- Trend analysis display feature is enhanced
All analogue measurements can be viewed anytime as trend diagrams for continuously sampling of them.
- Download feature is provided
Connecting a purpose-built PC to the system allows monitoring points to be added, deleted or changed on site.
- The all-in-one configuration and the dual hot standby capability are inherited
High serviceability and reliability of the system are contributed. The compact design with 700 mm width (80 mm wider than WE300HG) can minimize the installation space.
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These solid state magnetic accelerators have been designed as speed input devices used for solid-state controls for electric vehicle traction motors. Applications include industrial fork lifts, utility vehicles, and airport ground support vehicles.
Input voltage : 18 to 80 volts DC
Output voltage (maximum) : 3.65 volts (nominal)
Output voltage (minimum) : 0.35 volts (nominal)
Start switch output voltage : Equal to user battery input voltage
Start switch output current : 3 amps continuous, 5 amps intermittent (10 seconds)
Note: This accelerator switch does not contain a 1A switch.
Features and Benefits:
- Start switch function is performed by a power MOSFET, in lieu of a mechanical device
- Typical actuator force is 5 lbs, and should not exceed 7 lbs
- Switch may be operated through a linkage mechanism or directly from the vehicle accelerator pedal
- Customer connection is made by means of a metric M10x1.5 male thread
- Underwriter's Laboratory Type EE construction, O-ring cover seal, blind mounting holes, and insulated wire hole grommet all combine to eliminate the need for periodic cleaning
- No mechanical adjustment required after installation
- Includes reverse battery protection and internal fusing for start switch over-current protection
- A hall effect sensor detects the input shaft displacement through the 0.75" shaft stroke
- Switch contains a push pull linear input shaft, with a typical 0.1" displacement for start switch closure
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Electronic controllers are mainly designed for battery-supplied electric drive systems based on DC commutator motors, BLPM-brushless permanent magnet motors and AC induction motors. They are designed for use in vehicle drives, pump drives and for some other applications.
The built-in electronic components allow for complete diagnostics of the system and are easy to program through hand console or a personal computer. The structure of all controllers enables fast and easy custom designing and compliance with almost all requirements of the application.
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Series Motor Traction and
Pump Controllers
For motors up to 8.5 kW
The Powerpak™series Traction can be used in a single or twin motor systems. In a twin motor system it can be easily configured as master or slave. The Powerpak™Pump controllers comes with two variable and one configurable speed inputs. A range of contactor drive options are available to match the application
These controllers are also available on a variety of standard pre-wired panels complete with contactors, etc.
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features:
Safety
Opening of MCC after installation not required for testing.
Long term data acquisition possible.
Only high impedance port (0V) external to MCC when Explorer not connected.
Fused
Multiple Isolation Level.
Purely passive device when Explorer not connected.
CT Output: Voltage (no danger to operator with open or short circuit).
Ease of Use
Only one +/- 5 Volt bus connection required.
Only one step data acquisition
Safe electrical on-line testing within 40 seconds without interruption of motor operation.
Consistent Results
No Risk of Misconnection
Gain values of sensor array stored in EP.
Accuracy of Results
Calibration values stored in EP.
Motor ID imbedded in EP.
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Standard type
Mounting size: 60mm - 85mm
Max. permissible torque: up to 6.3Nm
Power supply: 200 - 230V AC
Marking: CE, UL and cUL
Microstep driver.
Also available with electromagnetic brake.
Low noise and low vibration.
Driver with vibration control circuit to dramatically reduce vibration over the whole speed range.
Energy-saving mode (only with electromagnetic brake).
Geared type
Mounting size: 60mm - 90mm
Taper hobbed gear: max. holding torque up to 12Nm, permissible torque 0.35Nm - 12Nm, backlash 0.167° - 0.75°, 5 gear ratios of 1:3.6 - 1:30.
Planetary gear: max. holding torque up to 37Nm, permissible torque 0.8Nm - 37Nm, backlash 0.034° - 0.58°, 6 gear ratios of 1:5 - 1:50.
Harmonic gear: max. holding torque up to 37Nm, permissible torque 3.5Nm - 37Nm, 2 gear ratios of 1:50 and 1:100.
Power supply: 200 - 230V AC
Marking: CE, UL and cUL
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Ezi-STEP can detect the loss-of-synchronization of a stepping motor without the addition of an external sensor.
Utilizing a software damping and filtering method, a high speed actuation is realized by the exciting angle control of a step-angle.
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Type
CRK543AP
Series
5-phase with microstep (CRK-Series) (Standard type)
Technical data
Type
CRK543AP
Frame size [mm]
42
Shaft type
single
Holding torque [Nm]
0.13
Step angle [°]
0.72
RoHS-compliant
yes
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Power supply: 24 V DC
Marking: CE, cUL
With microstep driver.
Standard type
Mounting size: 42 mm and 60 mm
Max. permissible torque: up to 1.66 Nm
High-Torque type
Mounting size: 20, 28 and 42 mm
Max. permissible torque: up to 0.42 Nm
High-Resolution type
Mounting size: 28, 42 and 60 mm
Max. permissible torque: up to 2.3 Nm
Geared types:
Taper hobbed gear: max. holding torque up to 4 Nm, permissible torque 0.2 Nm - 4 Nm, backlash 0.167° - 1°, 5 gear ratios of 1:3.6 - 1:30.
Planetary gear: max. holding torque up to 8 Nm, permissible torque 0.2 Nm - 8 Nm, backlash 0.034° - 0.58°, 6 gear ratios of 1:5 - 1:50.
Harmonic gear: max. holding torque up to 8 Nm, permissible torque 3.5 Nm - 8 Nm, 2 gear ratios of 1:50 and 1:100.
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The Ezi-SERVO is an Innovative closed loop stepping motor control system that utilized a high-resolution encoder.
The Ezi-SERVO keeps updating the current position every 25 mico-sec using high performance DSP.
The most suitable to Vision System.
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AS Series IP65 Rated Closed Loop Stepping Motors
The AlphaStep is a revolutionary hybrid stepping motor and driver package which eliminates missed steps. The AlphaStep uses a built-in feedback device that constantly monitors the motor shaft position to detect and correct for loss of synchronism.
- IP65 rated motors for dust/water-proof performance
- AC Input
- 2.36 in and 3.35 in frame sizes
- Maximum holding torque from 10.6 lb-in to 35 lb-in
- Permissible speed range from 0 to 4000 r/min
- RoHS compliant
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CFK II Series Stepping Motors
Offering high performance and simple operation in a compact size, the 5-phase CFK II series microstepping driver and motor package is available in both standard and high speed versions. The CFK II series provides unparalleled resolution and low vibration in an open loop system, as well as high torque in the high speed range.
- DC input
- Frame sizes from 0.79 in to 3.35 in
- Maximum holding torque from 0.2 lb-in to 55.63 lb-in
- Permissible speed range from 0 to 4500 r/min
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PMC Series Stepping Motors
The PMC series combines a high torque miniature 5-phase stepping motor with a board-level, credit card sized driver.
- DC input
- 1.10 in frame size
- Maximum holding torque from 0.3 lb-in to 17.5 lb-in
- Permissible speed range from 0 to 2500 r/min
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• Integrated Bipolar 1.8° Step Motor with Driver/Controller
• NEMA Size 17 Frame
• Holding Torque of up to 85 oz-in
• Input voltage of 7 to 28 VDC
• Output currents of 0.1 to 1.5 Amps Peak
• Step resolution of full step, 2x, 4x, 8x, and 16x microstepping
• Maximum speed of 250 kHz
• Up to 16 MHz of Step Clock Frequency
• Two digital limit switches, left and right
• One general purpose input (digital or analog)
• One open collector output capable of outputting 100mA
• Low power dissipation – no heat sink required
• Stand alone operation with no connection to PC
• Incorporated with TMCL Programming Language
• Up to 16 kBytes of Memory (2048 TMCL commands)
• Programmable settings for acceleration and velocity profiles
• Control commands such as Jump and Subroutines available
• Calculation and compare commands implemented
• StallGuard™ feature available
– capable of detecting a stall without encoder
• RS485 communication
• 3 stack lengths available
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Available standard or IP65 rated 2-phase stepping motor and DC input microstepping driver in one package. Includes Oriental Motor's proprietary Smooth Drive Function, to easily achieve low-vibration operation.
- DC input - Wide voltage range of 20 to 75 VDC and 4.5 A/phase
- 2.22 in. and 3.35 in. frame sizes
- Maximum holding torque from 4.25 lb-in to 58.125 lb-in
- Permissible speed range from 0 to 4000 r/min
- RoHS compliant
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Type
RBK264T
Series
2-phase with microstep (RBK-Series)
Technical data
Type
RBK264T
Frame size [mm]
56.4
Holding torque [Nm]
0.48
Protection class
IP65
Step angle [°]
1.8
Power supply
20-75 VDC
RoHS-compliant
yes
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