The Schneider Electric LRD3321 is a TeSys LRD thermal overload relay designed for motor protection applications. This relay is part of the TeSys LRD series, known for its robust design and reliable performance in demanding industrial environments. It provides essential overcurrent and phase-loss protection for three-phase motors, helping to prevent damage and downtime.

Technical details

• Series: TeSys LRD
• Product Type: Thermal Overload Relay
• Mounting Type: Direct mounting or separate mounting with accessory kit
• Trip Class: Class 10 (standard)
• Adjustable Thermal Current Range: 18-25 A
• Reset Type: Manual or automatic reset
• Phase Loss Sensitivity: Yes
• Differential Phase Detection: Yes

Applications & compatibility

This thermal overload relay is commonly integrated into motor control centers and standalone motor starter assemblies. It is suitable for protecting three-phase induction motors used in applications such as conveyor systems, pumps, fans, and machine tools across various industries including manufacturing, food and beverage, and water treatment.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric LRD3321 or contact our technical team for cross-reference assistance with compatible TeSys components.