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Eaton C306DT3B NEMA Freedom Thermal Overload Relay, 20 - 39A, Three-pole, NEMA Size 00, 0, IEC Size A-F , Panel/DIN Rail Mounted mounting
Model: EAT-C306DT3B
Eaton
Eaton C306DN3B NEMA Freedom Thermal Overload Relay, 20 - 39A, Three-pole, NEMA Size 00, 0, IEC Size A-F , Panel/DIN Rail Mounted or Starter Replacement mounting
Model: EAT-C306DN3B
Eaton
Eaton Freedom NEMA Overload Relay 60-79A Three-Pole
Professional Motor Protection & Control Equipment
The Eaton Freedom NEMA Overload Relay delivers exceptional motor protection and control performance for industrial and commercial electrical applications. This 60-79A three-pole thermal overload relay provides reliable motor overload protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.
Professional Features & Benefits
Motor Protection Performance
- 60-79A Current Range - Provides precise overload protection for medium-duty motors with adjustable current settings for optimal motor protection
- Three-Pole Configuration - Complete three-phase motor protection with balanced thermal monitoring across all phases
- Thermal Trip Technology - Advanced thermal overload detection responds to motor heating conditions for reliable protection
- NEMA Size 1, 2 and IEC Size G-K Compatibility - Versatile frame sizing accommodates various contactor and starter configurations
Installation & Mounting Flexibility
- Panel Mounting Design - Direct panel installation capability for custom control panel applications
- Starter Replacement Mounting - Compatible with existing starter configurations for easy retrofits and replacements
- Series B Heater Pack System - Built-in load lugs accept Series B heater packs for precise current adjustment
Professional Construction
- UL Listed Certification - Meets rigorous electrical safety standards for commercial and industrial installations
- Compact Design - 4.5" x 4.5" x 5.25" dimensions optimize control panel space utilization
Technical Specifications
Current Range: 60-79A, Configuration: Three-pole, Frame Size: NEMA Size 1, 2, IEC Size G-K, Trip Type: Thermal, Mounting: Panel or Starter Replacement, Dimensions: 4.5" W x 4.5" H x 5.25" D, Weight: 0.94 lb, Type: Freedom NEMA, Design: NEMA/IEC, Special Features: Heaters required, Certifications: UL Listed
Installation & Usage
- Verify motor full load current matches the 60-79A range and select appropriate heater pack
- Mount overload relay to panel or attach directly to compatible contactor base
- Install Series B heater packs into built-in load lugs according to motor current requirements
- Connect motor leads to relay terminals following proper three-phase wiring practices
- Test thermal trip function and adjust settings for optimal motor protection
- Verify all connections are secure and perform operational testing before energizing system
Professional Applications
Ideal for:
- Industrial Motor Control - Manufacturing equipment, conveyor systems, and production machinery motor protection
- Commercial HVAC Systems - Air handling units, chillers, and ventilation equipment overload protection
- Pump and Compressor Applications - Water treatment, irrigation, and compressed air system motor protection
- Material Handling Equipment - Cranes, hoists, and automated handling system motor control
- Process Control Systems - Chemical processing, food production, and manufacturing process equipment
- Building Automation - Facility management systems requiring reliable motor overload protection
- Retrofit Applications - Upgrading existing motor control systems with modern overload protection
- Custom Control Panels - Engineered control solutions requiring flexible mounting options
Freedom NEMA Technology Advantage
Eaton's Freedom NEMA overload relay technology combines thermal protection reliability with flexible installation options. The Series B heater pack system allows precise current adjustment while the dual NEMA and IEC sizing compatibility provides maximum application flexibility. Built-in load lugs eliminate external wiring connections, reducing installation time and improving system reliability for professional motor control applications.
Why Choose Eaton Quality?
With over a century of electrical power management innovation, Eaton delivers the motor protection reliability that electrical professionals trust worldwide. Our Freedom NEMA overload relays combine proven thermal protection technology with UL Listed safety certification, providing the dependable performance that electricians, electrical contractors, and facility managers require for critical motor control applications in commercial and industrial environments.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 60-79A
- Catalog Notes:
- Series B overload relays have load lugs built into relay base and will only accept Series B heater packs. These relays can be directly attached to a contactor or they can be DIN rail or panel mounted using an adapter.
- Certifications:
- UL Listed
- Frame Size:
- NEMA Size 1, 2, IEC Size G-K
- Number Of Poles:
- Three-pole
- Product Height:
- 4.5 in
- Product Length Depth:
- 5.25 in
- Product Weight:
- .94 lb
- Product Width:
- 4.5 in
- Special Features:
- Heaters required
- Trip Type:
- Thermal
- Product Group:
- Electrical
- Department:
- Electrical
- Product Details:
- Freedom NEMA
- Product Design:
- NEMA, IEC
- Mounting Method:
- Panel