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COOPER POWER SYSTEMS MCGRAW-EDISON CL-4C

Regulator Control

Product Overview

The McGraw-Edison CL-4C Regulator Control by Cooper Power Systems is a precision control device designed to regulate voltage levels in electrical distribution systems. It provides accurate, reliable control of on-load tap changers (OLTCs) and ensures stable voltage to protect equipment and maintain power quality. Engineered for industrial and utility applications, the CL-4C offers programmable features, robust design, and high reliability for long-term operation in power systems.

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Key Features

• Accurate voltage regulation for distribution transformers
• Supports on-load tap changer (OLTC) operation
• Programmable voltage setpoints and control parameters
• High-reliability solid-state construction
• Integrated protection and alarm functions
• Compatible with various McGraw-Edison transformers
• Easy integration into industrial and utility control systems

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Product Datasheet (Technical Specifications)

Parameter	Specification
Model Number	CL-4C
Product Type	Regulator Control
Control Type	Solid-state voltage regulator
Input Voltage	120–240 VAC control power
Output Control	OLTC tap changer control
Voltage Regulation	±0.5% typical
Control Modes	Automatic, manual, programmable
Communication	Optional remote monitoring
Operating Temperature	–20°C to +60°C
Storage Temperature	–40°C to +85°C
Relative Humidity	5–95% non-condensing
Mounting Type	Panel or enclosure mount
Dimensions	200 × 150 × 100 mm (approx.)
Approvals	UL, CE
Origin	USA

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Applications

The CL-4C Regulator Control is suitable for industrial and utility power distribution applications:

• Distribution Transformers – Maintains stable output voltage for commercial and industrial loads
• Power Plants – Ensures voltage quality for distribution feeders
• Industrial Facilities – Protects motors and sensitive equipment from voltage fluctuations
• Renewable Energy Integration – Voltage regulation for solar or wind distribution
• Substations – OLTC control for transformers
• Municipal Power Networks – Reliable voltage control for public utilities

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Product Usage Instructions

1. Installation: Mount the CL-4C in a control panel or transformer enclosure using appropriate mounting hardware.
2. Power Connection: Connect control power (120–240 VAC) to the regulator input.
3. Tap Changer Wiring: Connect the output contacts to the on-load tap changer of the transformer.
4. Programming: Set voltage regulation parameters, delay timers, and control modes according to the system requirements.
5. Startup: Power the regulator and verify proper operation of tap changer sequences.
6. Operation: The controller automatically regulates voltage and provides status indication and alarms for system monitoring.
7. Maintenance: Inspect wiring, tap changer connections, and regulator settings periodically to ensure reliable operation.

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Technical Description

The CL-4C Regulator Control is a solid-state voltage regulator designed for high-precision voltage management in electrical distribution systems. It integrates programmable control logic, relay outputs for tap changer operation, and diagnostic indicators to ensure safe and reliable performance. Its robust design allows operation in industrial environments with temperature variations, humidity, and electrical noise. The CL-4C provides automated voltage regulation while allowing manual override for maintenance or emergency operation.

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Recommended McGraw-Edison Regulator Controls

Model Number	Type	Function
CL-4C	Regulator Control	Standard voltage regulator
CL-5C	Regulator Control	Advanced voltage regulation
CL-4D	Regulator Control	Multi-tap control
CL-6C	Regulator Control	Enhanced programmable control
CL-3B	Regulator Control	Basic voltage regulation
CL-7C	Regulator Control	High-precision control
CL-4E	Regulator Control	Solid-state OLTC controller
CL-8C	Regulator Control	Transformer voltage control
CL-2B	Regulator Control	Compact regulator module
CL-4F	Regulator Control	Remote monitoring capability
CL-9C	Regulator Control	Industrial OLTC regulation
CL-4G	Regulator Control	Utility voltage regulation
CL-10C	Regulator Control	High-speed regulation
CL-4H	Regulator Control	Programmable delay and alarms
CL-11C	Regulator Control	Multi-phase distribution control
CL-4J	Regulator Control	Panel mount regulator
CL-12C	Regulator Control	Industrial transformer control
CL-4K	Regulator Control	Solid-state output module
CL-13C	Regulator Control	Remote operation interface
CL-4L	Regulator Control	High-reliability industrial use

For Cooper Power Systems industrial regulator solutions and spare parts, visit:
🔗 http://www.dcsplcsystem.com

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One year warranty, special discount after sale

The company focuses on DCS, PLC, robot, large servo four systems

The main products are all kinds of module/card, controller, touch screen, servo drive

The company’s advantages: the supply of imported original products, professional production of accessories

Fast delivery time, complete supply, The seller has more than $1526000 worth of industrial control products inventory

We Can transport to the world！！！

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[service contact information]

 

Purchase and consultation hotline: +8613365909307 (Whatsapp/ Wechat)

E-mail: dcsplcsales@gmail.com

Contact Person: Simon

① 24-hour email reply (12 hours);

② For shipment to countries outside Asia, please contact the seller.