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Device:

Rating Standard:

Device Technology:

AC Motor Phase:

NEMA Rating:

IEC Rating:

Continuous Current:

Thermal Current:

Motor Voltage:

Single Phase Power:

Three Phase Power:

DC Horsepower:

Number of Poles:

Control Voltage (Separate Control):

Overload Protection:

Low Voltage Protection?

Phase Failure (Loss) Trip?

Phase Reversal (Unbalance) Trip?

Multi-speed Starter?

Reduced Voltage Starter (RVS)?

Reversing?

Full Voltage Non-reversing Starter?

Manual Starter?

Current-line Acceleration?

Time-limit Acceleration?

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Motor Starters and Contactors specifications:

Device Type
   Device       
   Your choices are...         
   AC Motor Starter       AC motor starters are used to turn-on and turn-off electric motors and motor-controlled equipment. They use solid-state or electromechanical technologies, and are designed for single-phase or three-phase motors. 
   DC Motor Starter       DC motor starters combine a controller (most often a contactor) with overload protection, allowing a motor or motor-controlled equipment to be turned on and off. 
   Motor Contactor Only       Motor contactors are relays with large current capacity for connecting and disconnecting a motor from the power supply. Typically, motor contractors are multi-pole for control of all current carrying conductors. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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DC Starter Specifications
   Current-line Acceleration?       Current-line acceleration refers to mechanical linkages from the buttons or toggle force the contacts to open and close, starting and stopping the motor. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Time-limit Acceleration?       When the starting current is light the motor will accelerate rapidly. When it is heavy the motor will require more time to accelerate. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Environment
   Operating Temperature:       This is the full required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Standard Rating
   Rating Standard:       
   Your choices are...         
   NEMA Rated       Starter sizes refer to a standardized rating system for electrical performance. The NEMA size ratings are categorized by the continuous current rating and horsepower at the rated voltages. 
   IEC Rated       The IEC sizes are rated at the thermal current rating (the current the contactor can withstand without overheating) or the operational current (the capability of the contactor to make and break the current under different IEC Utilization Categories. eg. Utilization Category AC-1). 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Device Technology:       
   Your choices are...         
   Solid State       The device uses solid-state technology. 
   Electromechanical       The device uses electromechanical technology. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   AC Motor Phase:       
   Your choices are...         
   Single Phase Motor         
   Three Phase Motor         
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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NEMA Rated Starters
   NEMA Rating:      Starter sizes refer to a standardized rating system for electrical performance. The NEMA size ratings are categorized by the continuous current rating and horsepower at the rated voltages.
   Your choices are...         
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   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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IEC Rated Starters
   IEC Rating:      The IEC sizes are rated at the thermal current rating (the current the contactor can withstand without overheating) or the operational current (the capability of the contactor to make and break the current under different IEC Utilization Categories. eg. Utilization Category AC-1).
   Your choices are...         
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   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Starter Ratings
   Continuous Current:       Continuous current is also called continuous ampere rating. Typically, a manufacturer will list the NEMA size and the Ampere Rating for that size. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Thermal Current:       IEC ratings are based on thermal current. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Motor Voltage:         
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Single Phase Power:         
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Three Phase Power:         
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   DC Horsepower:         
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Number of Poles
   Number of Poles:         
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Control Circuit Voltage
   Control Voltage (Separate Control):       The control voltage, if different from the Motor Voltage. This is called "separate control" and means that the control circuit gets its power form a separate source, usually lower in voltage form the motor's power source. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Motor Protection
   Overload Protection:       
   Your choices are...         
   Eutectic       Eutectic overload relays consist of a eutectic (melting) alloy and a heater coil. When an overload occurs, the heater coil heats the eutectic alloy tube. The heat melts the alloy tube attached to tripping device, initiating a switching action. 
   Bimetallic       A bimetallic device is made of two strips of different metals that are permanently joined together. Heating the strip causes it to bend because the metals expand and contract at different rates. The strip is attached to a spring on a contact. As the strip bends, the spring pulls the contacts apart, breaking the circuit. 
   Solid State       The solid-state relay measures current or a change in resistance instead of generating heat to facilitate a trip. The solid-state relay also provides advanced functions (i.e. ambient temperature sensing, programmable trip time and detecting changes in current). 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Low Voltage Protection?       If the line voltage drops or fails, the contactor will latch open and stop the motor. It must be manually reset to restart the motor. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Phase Failure (Loss) Trip?       If power fails is one wire of a polyphase circuit, power is interrupted in all the wires. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Phase Reversal (Unbalance) Trip?       If phase rotation reverses in a polyphase circuit, power is interrupted in all wires of the circuit. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Starter Type
   Multi-speed Starter?       Multi-speed starters are designed to be operated at constant frequency and voltage. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Reduced Voltage Starter (RVS)?       Reduced voltage starters (RVS) use motor windings that may be reconnected to form different numbers of poles to change speed. It is designed to be operated at constant frequency and speed. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Reversing?       Reduce voltage starters are used when there is a need to avoid overloading the power distribution system (utilities impose limits on the amount pf power their customers may draw at any one time) or to avoid unnecessary wear and tear on equipment by reducing starting torque. The five main types of Reduced Voltage Starters are Primary Resistor, Autotransformer, Part Winding, Wye Delta and Solid State. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Full Voltage Non-reversing Starter?       Full-voltage non-reversing starters are designed with two contactors (one for forward direction and one for reverse) and an overload relay. The contactors are mechanically and electrically interlocked. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Manual Starter?       Manual starters are the most commonly used general purpose starter. These starters connect the incoming power directly to the motor and are particularly suitable for squirrel cage motors. They can be used in any application where the motor runs in only one direction, at one speed and where the draw of inrush current at start up is not a concern. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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