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Home > Products > BT Series Single Speed (7.5 – 75 HP)

BT Series Single Speed (7.5 – 75 HP)

Product Gallery (click images to enlarge)

BT Series Single Speed

Product Description

BT Series Single Speed A.C. soft start, reduced torque control. Now for applications with motor sizes up to 75 HP!

Upgrade your crane with smooth starting, reversing, and jogging; as well as more precise spotting and inching. Through the control of all 3 phases for reduced mechanical and motor stress, you can practically eliminate breakage and wear on drive trains, gearing, belts, etc. The BT Series Smooth-Move will help increase the life, reliability, and productivity of new or existing motorized equipment such as: Conveyors, Overhead Crane Bridge/Trolleys, Monorails, Textile Machines, Turntables, Bottling Equipment, Palletizers, Overhead Doors, etc.

BT Series Single Speed A.C. soft starts can replace resistor ballasts, timers, fluid couplings, inductors and other electrical and mechanical systems used to “cushion start” 3-phase induction motors. The controller can be used with single or multiple motors up to the total full load amperage rating of the model (see table below). Smooth reversing is accomplished with a reversing contactor.

The BT Series Smooth Move allows you to adjust the starting TORQUE of the motor, along with the length of TIME to reach full motor torque. With these two adjustments it is possible to softly control the starting characteristics of the motor (see comparison graph of motor starting characteristics with, and without the Smooth-Move® 1 installed). Instead of a harsh instantaneous inrush current, the control will gently adjust the motor up to full line voltage.timevtorque

ARC-ELIMINATION™ is an exclusive feature of the high-reliability Power Electronics® soft-start controls. This feature eliminates the destructive arcing on the make & break of power contactors. With the Smooth-Move® installed, the life of your contactors will be extended up to their mechanical limit, and IEC style contactors can now replace the more expensive NEMA style contactors in many applications. Additionally, the control will have very high reliability in tough applications. Only available from Power Electronics!

For two-speed A.C. motor soft-start control in the 7.5-75 HP range, view the BT-Series® Dual Speed. For applications with lower full load amp requirements (10 Amps and Under), see the Smooth Move series soft-starts.

Completely custom control panels are available for your application. Call us today for a quote!

 

Product Model Numbers and Data

MODELHP (208-230VAC, 60HZ)HP (208-230VAC, 50HZ)HP (380-415VAC, 50HZ)HP (460-480VAC, 60Hz)HP (575VAC, 60HZ)FRAME SIZE
BT738-1D-47.5--c
BT746-1D4--7.5-c
BT757-1D---7.57.5c
BT1038-1D-510--d
BT1046-1D5--10-d
BT1523-1A15----e
BT1523-1A5-15---e
BT1538-1D-7.515--d
BT1546-1D7.5--15-d
BT1557-1D---1515d
BT2523-1A25----f
BT2523-1A5-25---f
BT3038-1A5--30--e
BT3046-1A---30-e
BT3057-1A----30e
BT4023-1A40----g
BT4023-1A5-40---g
BT5038-1A5--50--f
BT5046-1A---50-f
BT5057-1A----50f
BT7538-1A5--75--g
BT7546-1A---75-g
BT7557-1A----75g

BT Series Frame Size Dimensions (Click to Expand)


BT Series Dimensions


File Type: PDF | File Size:

Drive Selection FAQ's


How do I select the right Smooth-Move® for my application?

If you have a single-speed or two-speed 3-phase motor, make sure you are looking at the corresponding single-speed or two-speed control unit models. Standard Smooth-Move torque controllers can be used at nearly any 3-phase voltage (208 – 460VAC). Models ending with “57” have an extended voltage range of 208 – 575VAC. The controller can be used with single or multiple motors up to the total full load amp rating of the model. Use the table to below to find the model that meets the FLA rating requirement of your motor(s). If your application requires higher amperage ratings than those listed here, view our BT Series of soft-starts.

Contact PE® if you require any further help with selecting the correct controller for your application.

Should I upgrade my motor controls with a Smooth-Move® or with a Micro-Speed® VFD?

If you are looking to reduce wear on your motor and connecting components due to starting “kicks”, a Smooth-Move® soft start is a good economical option. However, as the name implies, a soft-start only helps with motor “starts”.

The Smooth-Move controller is not intended for use in hoisting applications – VFD or closed-loop motor control is required in these applications. Also, if you need to control your motor speed while running, if you need to control the deceleration of your motor, or if you need your system to be capable of more advanced programming, a VFD will likely be a better upgrade option. View our line-up of Micro-Speed products here.

Contact PE if you require any further help with selecting the correct soft-start or VFD for your application.

Product Features and Advantages


Features

  • U.L., C-U.L. approved.
  • Takes the “kick” out of 3-phase motor starting.
  • Softly phase controls voltage to the motor.
  • Phase loss protection on input.
  • ARC-ELIMINATION™ on contactor make & break extends contactor life up to the mechanical limit.

Specifications

  • Automatic UNIVERSAL VAC selection: 200, 208, 240, 385, 415, 440, 480, VAC in one unit
  • 110VAC Control Voltage input is standard – all other voltages available upon request
  • 200 and 575 VAC is also available.
  • Size of a small contactor.
  • TIME and TORQUE settings for motor softness.
  • Sizes up to 10 full load amps.

Benefits

  • Easy to install and run.
  • Use with reversing and non-reversing systems.
  • Extened contactor life up to their mechanical limit.
  • Higher reliability.
  • Saves $ on machinery life and productivity.

Support

  • Application Engineers, not sales people
  • Longer service life
  • 24/7 customer satisfaction care

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