Square D / Telemecanique LRD04 contactor with an AMP range of 0.40A-0.63A. For use on Square D / Telemecanique contactors from LC1D09 - LC1D32. Click here to view a PDF file for this Telemecanique/Square D LRD Overload relay Overload Relays Class 10 or Class 20 bimetallic overload relays are available up to 140 A. They are bimetallic ambient compensated and are available with or without single-phase sensitivity for phase unbalance and phase loss protection. New solid state overload relays are available for 90 to 150 A applications. Both bimetallic and solid-state overload relays include the following features: • Isolated N.C. trip contact and N.O. alarm contacts. • Class 10 with Single Phase Sensitivity • Manual or Automatic reset function (bi-metallic versions only). • Tamper-resistant window for FLA settings. • Test trip button. Square D / Telemecanique LRD01 Overload Relay by Schneider Electric is a direct mount Ambient Compensated, Bi-Metallic direct mount with Class 10 Single Phase Sensitivity. These direct mount contactors screw directly to the load side of your LC1D09, LC1D12, LC1D18, LC1D25 or LC1D32 TeSys IEC Non-reversing contactor.