Product Description
Schneider Electric LRD21 thermal overload relay adjustable from 12 to 18 AMPS and directly mounts to any LC1D12 through LC1D32 TeSys contactor. This 3-pole Schneider Electric overload relay has Class 10 protection, phase loss sensitivity and screw terminals for easy installation. The LRD21 overload also has the option of manual or automatic reset, which can be changed easily with the turn of a dial. Need a higher AMP range? Try the LRD22 which is adjustable from 16 to 24 AMPS.
| AMP Range | 12 to 18 AMPS |
| Phase Loss Sensitivity | Yes |
| Reset | Manual or Automatic |
| Terminals | Screw |
| Trip Class | 10 (trips in 10 seconds or less) |
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 LC1D12, LC1D18, LC1D25 or LC1D32 TeSys IEC Non-reversing contactor.
