Telemecanique LR1-D12316 Three-Phase Overload Relay

Description:

The Telemecanique LR1D12316 thermal overload relay is a three-pole motor protection relay with an adjustable current range of 10–13 A, Class 10 tripping characteristics, and a maximum operating 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, HVAC equipment, packaging machinery, and industrial automation systems requiring dependable 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 LR1D12316 thermal overload relay is designed to provide adjustable overload protection for three-phase motors while integrating with Telemecanique LC1D and LP1D contactors or an LA7D adapter. It is widely used in manufacturing facilities, material handling equipment, water treatment plants, machine tools, HVAC systems, and industrial control panels where reliable motor protection helps reduce downtime and extend equipment service life.

Technical Specifications:

• Manufacturer Part Number (MPN): LR1D12316
• Manufacturer: Telemecanique (Schneider Electric)
• Product Type: Thermal Overload Relay
• Series: LR1D
• Rated Voltage: 600 VAC Max (Ui: 660 VAC)
• Rated Current: Adjustable 10–13 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 (with LA7D adapter)
• Terminal Type: Screw Clamp Terminal
• Compatible Systems: Telemecanique LC1D and LP1D contactors
• Protection Rating: Class 10
• Replacement Type: OEM Direct Replacement

Common Replacements:

• Schneider Electric LR1D12316
• Telemecanique LR1D12316
• OEM Equivalent 10–13A Thermal Overload Relay