Eaton Electronic Overload Relay C440 XT IEC 4-20A 45mm Frame NO-NC Contact Direct Mount

Eaton Electronic Overload Relay C440 XT IEC 4-20A 45mm Frame NO-NC Contact Direct Mount

Professional Motor Protection & Control Equipment

The Eaton C440 Electronic Overload Relay delivers exceptional motor protection and control performance for industrial and commercial electrical applications. This 4-20A overload range electronic relay with 45mm frame size provides reliable motor overload protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced electronic technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electronic Motor Protection

• 4-20A Overload Range - Provides precise electronic motor protection with adjustable current settings for optimal equipment protection and performance
• XT IEC Design - International Electrotechnical Commission compliant design ensures global compatibility and professional installation standards
• 45mm Frame Size - Compact frame design optimizes panel space while maintaining robust protection capabilities for motor control applications
• Selectable Trip Settings - Multiple trip options (10A, 10, 20, 30) provide flexible protection customization for various motor applications

Professional Installation & Control

• NO-NC Contact Configuration - Normally open and normally closed contact arrangement provides versatile control and alarm signaling capabilities
• Direct to Contactor Mounting - Streamlined installation directly onto contactors reduces wiring complexity and installation time for professional electricians
• Electronic Technology - Advanced electronic protection offers superior accuracy and reliability compared to traditional thermal overload relays

Technical Specifications

Overload Range: 4-20A, Frame Size: 45mm, Contact Configuration: NO-NC (Normally Open-Normally Closed), Mounting: Direct to contactor, Trip Type: Selectable (10A, 10, 20, 30), Design Standard: XT IEC, Product Series: C440 Electronic Overload Relay

Installation & Usage

1. Verify motor nameplate current rating falls within 4-20A overload range before installation
2. Mount relay directly to compatible contactor following manufacturer specifications and electrical safety procedures
3. Connect motor circuit wiring through overload relay current transformers according to wiring diagram
4. Set appropriate trip current based on motor full load amperage and application requirements
5. Wire NO-NC contacts to control circuit and alarm systems as required by application
6. Test overload protection function and verify proper trip operation before energizing motor circuit

Professional Applications

Ideal for:

• Industrial Motor Control - Manufacturing equipment, conveyor systems, pumps, fans, and process machinery requiring precise overload protection
• Commercial HVAC Systems - Air handling units, chillers, cooling towers, and building automation motor protection applications
• Motor Control Centers - MCC installations requiring reliable electronic overload protection with compact footprint design
• Process Control Applications - Chemical, pharmaceutical, and food processing equipment with critical motor protection requirements
• Water Treatment Facilities - Pump stations, treatment plants, and distribution systems requiring dependable motor protection
• Manufacturing Automation - Assembly lines, robotics, and automated equipment with precise motor control and protection needs
• Power Distribution Systems - Electrical panels and switchgear applications requiring professional-grade overload protection
• Facility Management - Building systems, maintenance operations, and infrastructure equipment motor protection

Electronic Protection Advantage

The C440 electronic overload relay utilizes advanced electronic sensing technology to provide superior motor protection accuracy compared to traditional thermal overload relays. Electronic protection offers consistent performance across varying ambient temperatures, faster response to overload conditions, and precise current monitoring for optimal motor protection and extended equipment life.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers professional-grade motor protection solutions trusted by electricians, electrical contractors, and facility professionals worldwide. Our commitment to electrical safety, reliability, and advanced electronic technology ensures dependable performance in demanding industrial and commercial applications, backed by comprehensive technical support and global service network.