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Square D CC54.5 Thermal Overload Relay Unit, Class 20

SKU: N100562
Model: CC 54.5
Product Condition: New
$30.00

Square D CC54.5 thermal unit provides reliable Class 20 overload protection for Type S motor starters. Ideal for motors in the 32.4–39.1A range.

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Estimated delivery: 3 days
One year warranty
Free return within 30 days of purchase.
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Square D Electrical Testing Accessories
Product Description

The Square D CC54.5 Thermal Overload Relay Unit is a melting alloy heater designed for dependable motor protection within Type S motor starters. Engineered to open the control circuit when excessive heat is generated, it delivers reliable, repeatable performance for industrial applications.

 

Why It Helps

This thermal unit enhances equipment safety by responding precisely to overload conditions, ensuring the motor is protected from excessive heat and potential damage. Its plug-in design allows quick installation and consistent operation within compatible Square D systems.

 

Key Highlights

  • Uses a melting alloy mechanism that activates the overload relay when heat rises due to excess current, providing dependable motor safeguarding.

  • Designed for seamless integration into Square D Type S motor starters, ensuring accurate coordination with the motor’s operating characteristics.

  • Authentic Square D component that supports consistent relay performance and long-term electrical protection.

 

Applications

Suitable for industrial motor control panels, automated equipment, manufacturing operations, and any system using Square D Type S starters. The CC54.5 ensures dependable overload response and helps maintain motor longevity through accurate thermal sensing.

Specifications
Specifications
MPN CC 54.5
Product Condition New
Shipping Length (in.) 6
Shipping Width (In.) 6
Shipping Height (In.) 6
Item Returns This item can be returned
Brand Square D (Schneider Electric)
Model CC54.5
Product Type Thermal Overload Relay Unit, Melting Alloy, Class 20
Product Range CC Series Thermal Units
Description Current-sensing heater element for motor overload relays (UL 60947-4-1)
Compatible Motor Starters Square D Type S Motor Starters
Thermal Overload Method Eutectic Melting Alloy Heater Element
Motor Tripping Class Class 20
FLA (Full Load Amperes) 32.4 – 39.1 A
Voltage Rating 600 V
Mounting Type Plug-In Heater Unit
Operating Principle Heater warms eutectic alloy under overload; alloy melts to trip relay
Materials (By Mass) Brass 47.6%, Stainless Steel 21.1%, Lead 4.2%, Other Materials 31.3%
Environmental Compliance EU RoHS: Not applicable (out of scope); Includes lead per Prop 65
Packaging Recycled cardboard; no single-use plastic
Recyclability Potential 87% (estimated by Schneider Electric)
Reference Service Life 20 years
Country of Origin Mexico
Warranty 18 months
GTIN 785901588078
Carbon Footprint 13 kg CO₂ (Total Life Cycle)
Functional Category Passive Component – Continuous Operation
What's in the box?
  • 1 x Square D CC54.5 Thermal Overload Relay Unit
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