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RVAT, Multi-Speed & Pump

 
  • Part winding, separate or reconnectable winding, reduced voltage, autotransformer, wye-delta, simplex or duplex pump control panels.
Part winding, separate or reconnectable winding, reduced voltage, autotransformer, wye-delta, simplex or duplex pump control panels.

Part winding, separate or reconnectable winding, reduced voltage, autotransformer, wye-delta, simplex or duplex pump control panels.

 
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Popular Resources / Quicklinks

E-Catalog Literature CAD Drawings Approvals
RVAT, Multi-Speed & Pump
  • Overview
  • Product Comparison
  • Specifications
  • Documentation
  • Tips/FAQ

Overview

All standard Sprecher + Schuh starters use the CAT7 or CAT9 line of motor starters. These starters are compact and offer intermediate sizes to better match specific motor requirements. This equates to generous wiring space and less wasted horsepower capacity. Protecting these specialty starters is the state of the art CEP7 solid state overload relay. The CEP7 electronics provide numerous advantages over electromechanical relays such as increased accuracy, a wider adjustment range, lower energy usage, and less heat generation which requires less cooling.

Starters & Enclosed Products

KWIKstarters
 
Enclosed Contactors
 
Non-Combination Starters; IEC
 
Combination Starters; IEC
 
Explosion-Proof
 
RVAT, Multi-Speed & Pump
 
FMS & NEMA Labeled

Product Comparison

Reduced Voltage starters

Reduced Voltage starters are designed for starting squirrel cage induction motors, where the starting current of a motor is likely to exceed local power company restrictions, interfere with plant operations or where the load may be damaged by high starting torques.

  • Up to 600 HP @ 575V
  • Across-the-Line
  • Autotransformer
  • Part Winding
  • Wye Delta (up to 1500HP@460V)
Multispeed starters

Multispeed starters can produce multiple constant speeds by specially arranging the windings of multispeed motors. Motors with two separate windings or one reconnectable winding can be used.

  • Up to 125 HP @600V
  • Constant Torque
  • Constant Horsepower
  • Variable Torque

Control Options

  • Selective
  • Compelling
  • Progressive
  • Decelerating
Simplex Pump Controls
  • MCCB, Fusible & Non-Fusible
  • Up to 500 HP @ 575V

Duplex Pump Controllers

  • Duplexing and Alternation
  • MCCB, Fusible/Non-Fusible & Type E

Up to 500 Hp @ 575V

Specifications

  • Contactor (with AC coil)
  • Overload relay protection
  • Thermal magnetic circuit breaker
  • J-Type Fuses
  • Selection of cover controls
  • Enclosures Type 1, 4, 4X, 12, 3R
  • Oversized back pan for plenty of wiring space
  • UL approved

Looking for more?

Find selection guidance, technical information, wiring diagrams, and dimension drawings in the E-Catalog.

E-Catalog
 

Documentation

 
Resource Resource Type Publication Number
Inside story on phase failure protection White Paper TECH-PHASEFAILURE
Troubleshooting nuisance tripping White Paper Tech-MCCB-Nuisance-Tripping
Primary Fuses; to use or not to use White Paper Tech-PrimaryFuses
Sprecher + Schuh Panel Shop Services Flyer F-PanelShop
Literature LibraryLiterature Library

Literature Library

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Technical Tips & FAQs

Browse our knowledge base of technical tips and frequently asked questions.

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