Consistent quality. We’ve added similar items to our regular reorder list.
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Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
In Stock – Ships Fast
Available for immediate shipping. Industrial electrical product supplied by AmpState.
Amp-State Overload / protection device .
The Siemens / Furnas 48BSH3M20 is a thermal overload relay designed to provide reliable motor protection against overload and overheating conditions in industrial motor control applications.
This overload relay features an adjustable current range of 22 to 45 amps, allowing precise tuning to match motor full-load current requirements. It is commonly used with Siemens and Furnas motor starters and contactors, making it suitable for both new installations and replacement applications.
Key Features & Specifications:
Manufacturer: Siemens / Furnas
Part Number: 48BSH3M20
Current Adjustment Range: 22–45 Amps
Type: Thermal Overload Relay
Application: Motor protection
Compatibility: Siemens / Furnas motor starters and contactors
Function: Protects motors from overload, phase loss, and excessive current draw
General feedback we often hear from customers purchasing industrial electrical parts.
Consistent quality. We’ve added similar items to our regular reorder list.
MRO · Reorder
Support is responsive when we have questions about fit or application.
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A reliable choice when we need industrial parts on short notice.
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