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Frequently Asked Questions
What is the EATON Thermal Unit MSH1-45A used for?
The EATON Thermal Unit MSH1-45A is an overload protection device for motor starters and contactors. It safeguards motors from overheating by tripping the circuit when current exceeds the rated level for a sustained period, commonly used in industrial motor control panels and HVAC systems.
What are the specifications of the EATON Thermal Unit MSH1-45A?
The EATON Thermal Unit MSH1-45A has a trip class of 20 and is rated for 45 A. It is designed for use with EATON motor starters and contactors, providing thermal overload protection. The manufacturer part number is MSH1-45A, and it is an electrical component for industrial applications.
Where to buy the EATON Thermal Unit MSH1-45A worldwide?
You can source the EATON Thermal Unit MSH1-45A from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply this component to procurement teams and plant engineers globally.
How to select the correct EATON Thermal Unit for a motor starter?
Select the EATON Thermal Unit based on the motor's full-load current and trip class. The MSH1-45A is a Class 20 unit rated for 45 A, suitable for standard motor starting applications. Always match the unit's current rating to the motor nameplate and verify compatibility with your EATON starter model for proper overload protection.
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Common applications for EATONEATON Products
3G Electric supplies EATON electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















