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Main Pole
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Towers, masts and poles elevate, support and/or position personnel and equipment such as antennas, lighting, surveillance cameras or sensors, wind turbines, weather instruments, and power lines.
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Supplier: OMEGA Engineering, Inc.Description: Voltage: 85% of nominal voltage or less @ 25C Coil Dropout Voltage: 10% of nominal voltage or more @ 25C Coil Resistance: ± 10% measured @ 25°C Pick Up Time (Average): 40 mS Drop Out Time (Average): 35 mS Contact Combination: DPDT Contact Rating Each Pole (Main Contacts): Each pole rated
- Relay Type: General Application Relay
- Mounting: Panel
- Pole Specifications: Double Pole (DP)
- Throw Specifications: Double Throw
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Supplier: CARLO GAVAZZI Automation ComponentsDescription: - 3-pole main contact - Mechanically interlocked - Finger proof design - DIN rail or screw mountable - Top/side mountable accessories available - Direct mountable overload relays available
- Rating Standard: IEC Rated
- Device Technology: Electromechanical
- AC Motor Phase: Single Phase Motor, Three Phase Motor
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Supplier: RS Components, Ltd.Description: Number of Contacts:4; Pole and Throw Configuration:4P; Normal State Configuration:4NO (Main); Number Of Auxiliary Contacts:0; Contact Current Rating:80 A; Contact Voltage Rating:400 V ac; Coil Voltage:240 V ac; Terminal Type:Screw; Length:115mm; Width:85mm
- Type: Electrical Contactor
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Supplier: Schaltbau GmbHDescription: Single-pole NO contactor for 400 A DC used as main contactor in emergency installations (UPS) and as deep discharge protection for batteries. Coil voltage: 24 V. Positive pole on terminal side of coil. Auxiliary contact: hard silver.
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Motor Starters and Contactors - Prepackaged Solid State Starter with ATL Bypass -- MVRXE18-1500-4160Supplier: Benshaw, Inc.Description: . This unique redundant design is ideal for critical applications where downtime is extremely disruptive and cannot be tolerated. MVRXE enclosures are available in NEMA 12 or NEMA 3R configurations. Each MVRXE enclosure consists of two distinct compartments. The medium voltage or power pole
- Device: AC Motor Starter
- Device Technology: Solid State
- AC Motor Phase: Three Phase Motor
- Low Voltage Protection: Yes
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Supplier: Allen-Bradley / Rockwell AutomationDescription: . If a power contact welds, the N.C. auxiliary contacts will not change state. This feature provides reliable indication about the open/closed status of the main power poles. In addition, the gold-plated bifurcated auxiliary contacts are ideally suited for low-energy applications or feedback control circuits
- IEC Rating: F, H, L
- Rating Standard: IEC Rated
- AC Motor Phase: Three Phase Motor
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Supplier: Allied Electronics, Inc.Description: and efficient 50/60 hertz coils. The contactor?s base is designed to mount on a DIN rail or directly to a panel. The modular design of the PBC allows it to readily accept various accessories. PBC models are UL Listed for the U.S. and Canada, and they are CE marked. Features Three Pole Switching (Main
- Type: Electrical Contactor
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Supplier: Pickering Interfaces US Inc.Description: connections, the Y bus includes two sets of switched signal connections for the attachment of measurement equipment. Main Product Features Single Pole High Density Matrix 40x20 and 40x40 Versions Loop-Thru Connections For Easy Expansion Isolation Switching For Maximum Bandwidth and Contact Life
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Supplier: Grainger Industrial SupplyDescription: Main Circuit Breaker Kit, Bolt On, Standard Circuit Breaker Type, Toggle Switch Type, Number of Poles 2, 125 Amps, AIR Rating 22KAIC, Lug Terminal Connection, For Use With GE Panelboads, Standards UL
- Trip Unit Type: Other
- Mounting Style: Bolt-on
- Type of Manual Actuator Provided: Toggle Switch
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Supplier: Automationdirect.comDescription: Features: Double break contacts per pole up to 200 Amps Touch-safe fuse covers and line shrouding standard Service entrance rated, Compact footprints, Front operated switches Defeatable pistol handles automatically re-latch when panel door is closed - no tool necessary to reset latch
- Type: Fusible
- Power: AC
- Phase: Three Phase
- Mounting Style: Panel Mount
Featured Products for Main Pole Top
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circuit if the motor operates too long without synchronizing. Synchronous motors require ac power during both starting and running, thus the main contactor is closed when the motor is operating. The dc winding of the rotor is energized by the field contactor as the motor approaches synchronous speed. Two normally open poles on the field contactor make the connection for dc excitation, and one normally closed pole permits dissipation of induced field current (through a resistor) during any period... (read more)Browse Motor Starters and Contactors Datasheets for Sinotech Motors -
Carling Technologies Inc is pleased to announce the addition of the 1-50 Amp PC-Series circuit breaker to its ground fault circuit breaker product portfolio. The PC-Series is suitable for: •AC branch ground fault protection - a single circuit solution. •AC main ground fault protection for a boat's entire AC electrical system. •Portable generator ground fault protection. Key Benefits of the PC-Series: •Increases safety around boats and marinas. •Protects against... (read more)Browse Circuit Breakers Datasheets for Quist Electronics
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Configure your disconnect switch according to your personal and individual requirements. Disconnect Switches from Salzer are hand-operated switchgear for main circuits and are offered as ON-OFF Switches (3, 4, 6 and 8 pole) or as Changeover Switches with centre Off (3 and 4 pole). Design and Function. 90° switching angle. Forced open Contacts. Terminal screws in open position. Finger protected (degree of protection up to IP20). Short-circuit rating. Fulfils the load break requirements up... (read more)Browse Disconnect Switches Datasheets for Salzer USA Corp.
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Single-pole NO contactor for 50 A DC and coil voltage 24 V without coil suppression. Features. Compact design. Double-break contacts. Wide range of coil voltage tolerance. Replaceable main contacts. Version with blowout magnets. Standards: IEC 60947. Weight: 220 g (read more)Browse Electrical Contactors Datasheets for Schaltbau GmbH
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Disconnect Switches. Disconnect Switches from Salzer are hand-operated switchgear for main circuit protection and are offered as ON-OFF Switches (3, 4, 6 and 8 pole) or as Changeover Switches with centre Off (3 and 4 pole). Design and Function: 90° switching angle. Forced open Contacts. Terminal screws in open position. Finger protected (degree of protection up to IP20). Short-circuit rating. Fulfils the load break requirements up to 690V or up to 1000V. Applications: Disconnect Switches offer... (read more)Browse Disconnect Switches Datasheets for Salzer USA Corp.
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of full-load speed), a centrifugal switch actuated by the rotor, or an electronic switch, disconnects the starting winding. Split phase motors are considered low or moderate starting torque motors and are limited to about 1/3 hp. Capacitor-start motors are similar to split phase motors. The main difference is that a capacitor is placed in series with the auxiliary winding, Figure 4. This type of motor produces greater locked rotor and accelerating torque per ampere than does the split phase... (read more)Browse AC Motors Datasheets for Sinotech Motors
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4-Wire, 480/277V, 4-Wire. Current Rating: 225A (100% rated); or 400A (100% rated). Two panel board (84 circuit) version with one or two main feeds. Four panel board (168 circuit) version with one, two or four main feeds. Panel Board Main Circuit Breaker is plug-in. Each Panel Board may be fed by two separate sources and may have two 4-pole main circuit breakers. Main Circuit Breaker is 100% continuous duty rated. Branch CB fault rating: 25kAIC at 208/120V, 14 kAIC up to 480/277V. Panel board... (read more)Browse Power Distribution Units (PDU) Datasheets for LayerZero Power Systems, Inc.
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Sinotech's AC motors are engineered in the U.S. and manufactured offshore for very competitive pricing. Basics of AC Motor Design Engineering. Asynchronous motors and synchronous motors are the two main categories of ac motors. The ac induction motor is a common form of asynchronous motor and is basically an ac transformer with a rotating secondary. The primary winding (stator) is connected to the power source and the shorted secondary (rotor) carries the induced secondary current. Torque... (read more)Browse AC Motors Datasheets for Sinotech Motors
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The 60-590 is a high density single pole matrix available in 40x20 or 40x40 configurations and is suitable for signal routing in large ATE systems. Both the X bus and Y bus include loop-thru connections allowing easy expansion to produce larger matrix sizes. In addition to the loop-thru connections, the Y bus includes two sets of switched signal connections for the attachment of measurement equipment. Main Product Features. Single Pole High Density Matrix. 40x20 and 40x40 Versions. Loop-Thru... (read more)Browse LXI Products Datasheets for Pickering Interfaces US Inc.
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and different connection widths to suit differing test equipment pin counts. Main Product Features. High Density Multiplexer With Multiple Configuration Options. Wide Range of Sizes up to 6-Channel/160-Pole, 12-Channel/80-Pole, 24-Channel/40-Pole, 48-Channel/20-Pole, or 96-Channel/10-Pole. Scalable (up to 6 relay cards). Expandable Via Common Loop-Thru Connector With Isolation Switching For Optimal Signal Integrity in Larger Systems. Maximum Switch Current of 1A. Switch up to 100V and up to 60W Max Power... (read more)Browse Sensor Multiplexers Datasheets for Pickering Interfaces US Inc.
Parts by Number for Main Pole Top
| Partb # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| TJD432250L3 | PLC Radwell | General Electric | Not Provided | 250A TJD 3 POLE MAIN BREAKER AQ |
| 3VF92241NB10 | PLC Radwell | Siemens | Not Provided | TERMINAL COVER, 3 POLE, F MAIN TERMINALS |
| KQ200MCCB3L | PLC Radwell | Groupe Schneider | Not Provided | LOAD CENTER KQ MAIN BREAKER 200A 3 POLE + NEUT |
| KQ250L4P | PLC Radwell | Groupe Schneider | Not Provided | LOAD CENTER KQ MAIN LUG 250A 3 POLE NEUTRAL |
| KQ250L4P | PLC Radwell | Square D | Not Provided | LOAD CENTER KQ MAIN LUG 250A 3 POLE NEUTRAL |
Conduct Research Top
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Composition of a DC Motor
to content. Skip to main navigation. Skip to 1st column. Skip to 2nd column. ISL. Home. Profile. Contact Us. Products. Case Studies. Articles. You are here: ISL. Composition of a DC Motor. | Print |. The stator is formed by a metal carcass and one or more magnets that create a permanent magnetic field
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Texture Analysis in Microelectronic Materials (.pdf)
exhibit the perfectly (or near-perfect in the case of figure 4) axisymmetric textures. presented so far, many do not. Two other types of commonly observed textures are an annular texture. and a "near" (111) fiber texture. An annular texture is a texture where the main peak in the pole figure
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AC Motors
A synchronous and synchronous motors are the two main categories of ac motors. The induction motor is a common form of asynchronous motor and is basically an ac transformer with a rotating secondary. The primary winding (stator) is connected to the power source and the shorted secondary (rotor
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Magnetic fluids tackle tough sealing jobs
. An important ferrofluidsealing application is on vacuum-rotary feedthroughs. The main components are a magnetic circuit comprised of highpowered permanent magnets, pole pieces, ferrofluid, and a magnetically permeable shaft and precision bearings. Annular channels in the pole pieces permit water
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Magnetic Bearings Come Of Age
of applications, from semiconductorfabrication equipment to microturbines, from refrigeration compressors to vacuum pumps. Magnetic-bearing systems electromagnetically suspend shafts by applying electric current to a bearing's ferromagnetic materials. The systems have three main elements: bearing actuators
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Development of Traction Motor for Fuel Cell Vehicle (.pdf)
required to enable the vehicle to start on a. was defined. climbing slope. The target for the maximum power of the. motor was set at 60 kW, established from the target. The motor size and shape were designed to satisfy the. acceleration performance and the power of the fuel cells. main motor constants
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Preface
. This belief has been strongly reinforced by recent publications of the industrial state of the art, which are referenced in Chapter 1. The main reason for writing this book is to contribute to a better understanding of PID control. Another reason is that information about PID control is scattered
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Understanding Electronic Motor Drives
by controlling motor speed instead of with an air outlet damper. Drive basics. A drive can control two main outputs of a three-phase induction motor: speed and torque. To understand how a drive controls these two elements, let's take a look at acinduction motors. The two basic parts of the motor
Engineering Web Search: Main Pole Top
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Pole - Wikipedia, the free encyclopedia
Pole weapon, combat weapon in which the main fighting part of the weapon is placed on the end of a long shaft, typically of wood
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Magnetic field - Wikipedia, the free encyclopedia
4.2 Magnetic pole model and the H-field Main article: History of electromagnetic theory
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ESA - Venus Express - Unexpected detail in first-ever Venus...
Venus Express fired its main engine to enter Venus orbit on 11 April 2006 and is now in the first 9-day capture orbit taking it to apocentre (maximum
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ESA - Space Science - Double vortex at Venus South Pole...
Double vortex at Venus South pole Double vortex at Venus South Pole unveiled!
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Power Relay Series : Fujitsu Europe, Middle East and Africa
Skip to main content Europe, Middle East and Africa
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NASA Science
Skip to Main Content Header About NASA Science Closest Pass Yet over Enceladus South Pole
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NASA - LCROSS Impact Data Indicates Water on Moon
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Untitled
the thin film magnetic head comprising a main magnetic pole film, a write shield film, an upper yoke magnetic pole film, and a thin film coil,
