Product Description:
The Square D LR3D21 is a thermal overload relay designed to protect motors and circuits from overloads and phase loss. It features an adjustable current range of 12–18 amps, suitable for motor applications up to 7.5 kW at 400V. With manual and automatic reset options, it integrates easily into control systems. Ideal for industrial machinery, HVAC systems, and motor control centers.
Key Features:
✔ Part Number: LR3D21
✔ Category: Motor Control
✔ Subcategory: Contactors
✔ Section: Overload relay
✔ Family: D-Line
✔ UPC: 785901206910
✔ Dimensions: 1.77 in W x 2.76 in D
