Why Choose the Lovato SM1R3200 Motor Protection Circuit Breaker?
The Lovato SM1R3200 is a high-performance motor protection circuit breaker designed to protect three-phase motors against overloads, short circuits and phase failure conditions. As part of the Lovato SM1R series, it combines thermal and magnetic protection with a rotary knob operating mechanism, making it ideal for industrial machinery, OEM equipment and automation systems.
This manual motor starter offers an adjustable thermal protection range of 24 to 32 A, providing accurate protection for industrial motors whilst helping to improve system reliability and minimise downtime. Its compact design, robust construction and high breaking capacity make it suitable for demanding industrial motor control applications.
With a rated current of 32 A, a 3-pole configuration and a 50 kA breaking capacity at 400 V AC, the SM1R3200 delivers dependable motor protection whilst remaining suitable for DIN rail or direct panel mounting inside electrical control systems.
Key Advantages
- Compact motor protection circuit breaker for industrial motor applications.
- 24 to 32 A adjustable thermal trip range.
- 50 kA short-circuit breaking capacity at 400 V AC.
- Combined thermal and magnetic protection.
- Integrated phase failure detection.
- Rotary knob operation with lockable OFF position.
Key Features
- Lovato SM1R motor protection circuit breaker series.
- 32 A rated current.
- 24 to 32 A thermal adjustment range.
- 3-pole motor protection.
- Magnetic and thermal trip protection.
- Magnetic tripping at approximately 13 × In.
- Rotary knob control with clear ON/OFF indication.
- 35 mm DIN rail or screw mounting.
Reliable Motor Protection for Industrial Machinery
Motor protection circuit breakers such as the Lovato SM1R3200 disconnect the motor supply during overload, short-circuit or phase failure conditions. This helps reduce the risk of motor damage, improve equipment reliability and minimise costly downtime within industrial installations.
The SM1R series is widely used by machine builders and panel manufacturers thanks to its compact footprint, dependable protection characteristics and straightforward installation. Its adjustable thermal setting allows accurate matching to the connected motor for improved operational reliability.
Typical Applications
- Three-phase motor protection.
- Industrial control panels.
- Machine building and OEM equipment.
- Packaging and production machinery.
- Pumps, compressors and conveyor systems.
- Automation and motor control centres.