The Schneider Electric LB1-LC03M53 is an integral starter designed for motor control applications. This unit combines starter and overload relay functions within a single housing, simplifying installation and wiring. It is engineered to protect three-phase motors from overcurrent conditions and short circuits, ensuring operational reliability in demanding industrial environments.

Technical details

• Series: LB1 Series
• Type: Integral Starter with Overload Relay
• Voltage Rating: 575 VAC
• Current Rating: 23-32 Amps (adjustable overload setting)
• Standard: IEC (International Electrotechnical Commission)
• Configuration: Three-pole starter
• Mounting: DIN rail or panel mount (verify mounting details with manufacturer datasheet)
• Protection Features: Thermal overload protection with phase loss sensitivity

Applications & compatibility

This integral starter is suitable for direct-on-line (DOL) starting of three-phase induction motors. It is commonly found in applications such as pump controls, fan systems, conveyor belts, and general machinery where robust motor protection is required. The 575 VAC rating makes it ideal for installations utilizing higher voltage power distribution systems.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the LB1LC03M53 or contact our technical team for cross-reference assistance with compatible Schneider Electric motor control components.