The SQUARE D LRD21 is an overload relay designed for use with TeSys D contactors. It operates within a trip range of twelve amperes to eighteen amperes and is part of the Class 10 category with single-phase sensitivity. This unit effectively detects overcurrents and automatically disconnects power to the motor, ensuring protection against winding damage.
Class 10 overload relay with single-phase sensitivity.
Adjustable trip current rating from 12 to 18 amperes.
Compatible for use with TeSys D contactors.
Product Highlights
Ideal for applications requiring reliable motor protection and overload management.
Product Information
Standard Information
Brand: SQUARE D
MPN: LRD21
Technical Specifications
Connector Type: Screw Clamp
Contact Material: Silver Alloy Or Copper Alloy
Current Rating: 18 Amps
Mounting Type: Contactor
Class Rating: 10
Frequency Rating: 0 to 400 Hz
IP Rating: IP20 conforming to IEC 60529
Rated Voltage: 690V ac
Height: 66 mm
Depth: 70 mm
Width: 45 mm
Dielectric Strength: 1.89 kV 50 Hz IEC 60947-1
Standard: EN/IEC 60947-4-1 | EN/IEC 60947-5-1 | UL 60947-4-1 | UL 60947-5-1