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Voltage regulators

CL-7 voltage regulator control

Eaton’s Cooper Power series CL-7 voltage regulator control maintains the easy-to-use interface of previous CL controls, but with advanced smart grid features is designed with the future in mind. It comes as standard equipment on Eaton’s Cooper Power series voltage regulators, but can be applied to operate nearly any voltage regulator in service today. This advanced control features single-phase and multi-phase versions that are part of a common control platform – offering a consistent look and feel that lowers training costs through operator familiarity.

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CL-7 voltage regulator control and accessories catalog CL-7 multi-phase control application accessories catalog
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Check out the fundamentals of controls for utility and critical applications
SCADA-ready control
Modular smart grid technology
Safe-to-bypass functionality
Designed for safety
Multi-phase control
Single point of communications

Core features

  • Exclusive Safe-to-Bypass functionality enhances personal safety
  • Smart-grid communications integration made fast and simple
  • Continuous product development of control features to meet changing smart grid protocol and cybersecurity requirements
  • Digitally-signed firmware prevents cybersecurity threats by protecting control operating system
  • Fast and simple programming – intuitive ProView NXG software, direct access function codes, USB programming interface
  • Multi-phase option to operate 2 or 3 regulators – provides a single point for SCADA communications reducing costly equipment  
  • Multi-phase control Advanced DeltaCalc feature improves operation on delta connected systems – more accurate reverse power regulation
  • Analog input monitoring provides real-time health status via SCADA – oil temperature, pressure/vacuum, fan control
  • Cutting edge tap-position tracking confirmation  
  • Product support and expertise that is unmatched in the industry
  • Retrofits easily onto nearly any voltage regulator 

Voltage regulator and control training

Eaton offers various equipment maintenance, testing and troubleshooting courses. These courses, taught by experienced service technicians, are held at the voltage regulator factory's in-house training facility.

See training options

Learn more about the CL-7 voltage regulator control

This video explains the features and benefits of the CL-7 controller including the CL-7 interface, communication capabilities and multiphase control among other items.

Integrated volt-var compensation benefits

In this video, experts from Eaton's Power Systems Experience Center (PSEC) explain the methods and benefits of integrated volt-var compensation using voltage regulators and power factor correction to optimize voltage quality on utility power systems.

Integrated design and manufacturing

Eaton’s Cooper Power series voltage regulator apparatus and control are designed to operate together, so exclusive features such as Duty Cycle Monitor (DCM), Preventive Maintenance Tapping (PMT) and motor trouble diagnostics are available to alert users to a need for maintenance. Proactive maintenance and quick alerts to impending issues will minimize maintenance costs and system downtimes.

Focus on smart grid

The CL-7 voltage regulator control is communications-ready, with integrated communications interfaces, multiple protocols, battery backup and dc power supply. The CL-7 control is specifically designed for remote operation and retrieval of field measurement data for analysis by integrated volt/var applications.

Multi-phase voltage regulator control

The CL-7 multi-phase voltage regulator control operates two or three voltage regulators to provide a single point of communications, three-phase metering and advanced delta system features. The multi-phase control expands on the intelligence of a single-phase control by adding modular hardware to provide monitoring and control of additional phases without additional controls.
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Easy retrofit to most voltage regulators

The CL-7 control retrofits to operate most voltage regulators regardless of manufacturer: Siemens/Allis Chalmers, General Electric, Howard Industries, Reinhausen, ITB, Toshiba, as well as Eaton, Cooper Power Systems and McGraw Edison.

Lower training costs

The CL-7 control employs the same easy to use features of previous CL controls. It utilizes most of the same function codes and all of the same easy-to-use interface features. Field technicians familiar with earlier regulator control models will already know how to use the CL-7 control. This control is part of a common Cooper Power series control platform. The consistent look and feel lowers training costs through operator familiarity with other controls on the platform.
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CL-7 voltage regulator control features

KEY CONTROL FEATURES

  • Easy-to-use familiar interface
  • No programming language knowledge required for basic control setup
  • 4x20 character LCD screen for easy-to-understand displays
  • Direct access to control parameters and metering using Function Codes
  • Nested menu for easy access to parameters without Function Codes
  • Metering-PLUS Safe-to-Bypass feature
  • Metering-PLUS function provides instant access to most needed information
  • Retrofits to most any voltage regulator in service
  • Single-phase or multi-phase control options
  • Local or remote regulation control
  • Front USB PC port for local communications
  • USB drive port for easy data retrieval and programming
  • Full alpha-numeric keypad
  • ProView NXG software for easy programming
  • User configurable hot-key mapping
  • 10-year control hardware warranty
  • Monitor oil temperature and pressure/vacuum via SCADA using analog input module 

KEY OPERATIONAL FEATURES

  • Ten reverse sensing modes to meet the needs of modern distributed generation
  • Five conservation voltage reduction modes for up to 10 levels of reduction
  • Voltage Limiter feature
  • DeltaCalc feature for improved delta system voltage regulation
  • Duty cycle monitor maintenance notification
  • Preventative maintenance tapping feature
  • Alternate Configuration settings profiles
  • Data Profiler metering data collection
  • CFV file formatted data downloads directly onto USB drive
  • Data and status alarms
  • Easy-to-use configurable logic to create custom features

KEY SMART GRID FEATURES

  • Easy integration into SCADA networks and volt/VAR optimization schemes
  • Single point on communications for up to three phases with Multi-phase control
  • Five native communications protocols
  • Eight integrated communications interface options
  • Communications-ready control box options
  • 13.5 Vdc power supply module
  • 120 and 240 Vdc cabinet power options
  • Battery back-up
  • Substation battery connections
  • Four auto-restore-local options
CL-7 single and multi-phase controls
Download Links

Looking for software, firmware and programming information?

You can access software, firmware, and associated documentation when you log into MyEaton by clicking Sign in at the top right of this Eaton.com page.

  1. Log in using your existing MyEaton.com credentials.
    • If you do not have an account, you can also register for an account by clicking Sign in at the top right of this page and then select Request access now.
  2. Once you are logged in, the software, firmware and associated documentation for this product will appear in the below list.
    • Upon sign-in, you may be directed to the MyEaton home page. You will need to navigate back to this page to see the software, firmware and documentation.

Software and firmware download page

  1. Once you are logged into MyEaton, select Tools from the MyEaton menu in the top right of the page. 
  2. You will see a link titled “Power Systems Division software and firmware downloads.” 
  3. This page is a list of all software and firmware that is available for you to download.
  • CL-7 multi-phase control application accessories catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series CL-7 multi-phase control which is a highly versatile step voltage regulator control that provides the first of its kind multi-phase voltage regulation: two or three regulators can be operated with the use of a single control.
    (PDF 789 KB , 05/30/2023)
  • CL-7 voltage regulator control and accessories catalog
    This catalog provides features and ordering information for Eaton‘s Cooper Power series CL-7 voltage regulator control which enables easy integration into a smart grid enabled network, is standard on Eaton's voltage regulators and easily integrates to operate nearly any voltage regulator in service today.
    (PDF 876 KB , 10/01/2024)
  • CL-7 voltage regulator control and accessories catalog (Canadian-French)
    This catalog provides features and ordering information in Canadian-French for Eaton‘s Cooper Power series CL-7 voltage regulator control which enables easy integration into a smart grid enabled network, is standard on Eaton's voltage regulators and easily integrates to operate nearly any voltage regulator in service today.
    (PDF 3 MB , 02/28/2021)
  • CL-7 voltage regulator control and accessories catalog (Portuguese)
    This catalog provides features and ordering information in Portuguese for Eaton‘s Cooper Power series CL-7 voltage regulator control which enables easy integration into a smart grid enabled network, is standard on Eaton's voltage regulators and easily integrates to operate nearly any voltage regulator in service today.
    (PDF 3 MB , 02/28/2021)
  • CL-7 voltage regulator control and accessories catalog (Spanish)
    This catalog provides features and ordering information in Spanish for Eaton‘s Cooper Power series CL-7 voltage regulator control which enables easy integration into a smart grid enabled network, is standard on Eaton's voltage regulators and easily integrates to operate nearly any voltage regulator in service today.
    (PDF 3 MB , 02/28/2021)
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Voltage regulator and control training

Eaton offers various equipment maintenance, testing and troubleshooting courses. These courses, taught by experienced service technicians, are held at the voltage regulator factory's in-house training facility.

See training options

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