Schneider Electric LR9G TeSys Giga LR9G Electronic Overload Relay 28–500 A Class 5E–30E

The Schneider Electric LR9G is a TeSys Giga LR9G electronic overload relay with a setting range of 28–500 A (variant options) and trip class 5E–30E. Mounted directly under TeSys Giga LC1G contactors, it protects three-phase motors against overload and phase failure and opens the contactor coil circuit through its NC contact when a fault occurs.

Key features

• Adjustable current setting to match the motor nameplate
• Phase-failure sensitivity
• Manual/automatic reset selection and test/stop button
• 1 NO + 1 NC auxiliary contacts for control and signalling
• Direct plug-in mounting under the matching contactor

Technical specifications

Typical applications

• Pump, fan and compressor starters
• Motor control centres
• HVAC and water treatment plants

Selection guide

Set the dial to the motor full-load current from the nameplate; choose class 10 for normal starting and class 20 for heavy starting (long acceleration) loads.

Frequently asked questions

What is trip class?

Trip class defines the maximum tripping time at 7.2 × the setting current: class 10 trips within 10 s (standard motors), class 20 within 20 s (heavy-starting loads).

Buy Schneider LR9G in Egypt

Spark Egypt is a trusted source for original Schneider Electric thermal overload relays such as the LR9G, serving contractors, OEMs, panel builders and plant-maintenance teams with tax invoices and fast delivery to Cairo, Giza, New Cairo, 6th of October, Sheikh Zayed, the New Administrative Capital, Alexandria, the Delta, the Canal cities and Upper Egypt. Contact our technical sales team to confirm selection, accessories and project pricing.