Schneider Electric LR1-D09307 Thermal Overload Relay

Description:

The Telemecanique LR1D09307 thermal overload relay is a three-pole motor protection relay with an adjustable current range of 1.6–2.5 A, Class 10 tripping characteristics, and a maximum rated voltage of 600 VAC, designed to protect three-phase motors against overload and phase-failure conditions. Commonly installed in motor control centers, conveyors, pumps, compressors, packaging machinery, HVAC equipment, and industrial automation systems requiring reliable motor protection. Maintenance teams, OEMs, and system integrators use this thermal overload relay for equipment repair, replacement, retrofit, and new motor starter installations.

Applications:

The Telemecanique LR1D09307 thermal overload relay is used to provide adjustable overload and phase-loss protection for three-phase motors when paired with compatible Telemecanique motor starters and contactors. It is widely installed in manufacturing plants, material handling systems, water treatment facilities, machine tools, process equipment, and industrial control panels where dependable motor protection helps minimize downtime and extend equipment service life.

Technical Specifications:

• Manufacturer Part Number (MPN): LR1D09307
• Manufacturer: Telemecanique (Schneider Electric)
• Product Type: Thermal Overload Relay
• Series: LR1D
• Rated Voltage: 600 VAC Max (660 VAC insulation voltage)
• Rated Current: Adjustable 1.6–2.5 A
• Function: Motor overload and phase-failure protection
• Number of Poles: 3-Pole
• Auxiliary Contacts: 2 NO + 2 NC
• Mounting Style: Direct Mount or Panel Mount
• Terminal Type: Screw Clamp Terminal
• Compatible Systems: Telemecanique LC1D and LP1D motor starters and contactors
• Protection Rating: Class 10
• Replacement Type: OEM Direct Replacement

Common Replacements:

• Schneider Electric LR1D09307
• Telemecanique LR1D09307
• OEM Equivalent 1.6–2.5A Thermal Overload Relay