Why Choose the Lovato SM1R0040 Motor Protection Circuit Breaker?
The Lovato SM1R0040 is a compact and dependable 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, providing reliable motor protection for industrial machinery and automation systems.
This manual motor starter features an adjustable thermal protection range of 0.25 to 0.40 A, making it ideal for protecting small motors in precision machinery, OEM equipment and industrial control panels. Its high short-circuit breaking capacity and UL Type E certification provide dependable performance in demanding applications.
With a rated current of 0.40 A, a 3-pole design and an impressive 100 kA breaking capacity at 400 V AC, the SM1R0040 delivers excellent protection while remaining compact enough for installation on standard DIN rails within electrical enclosures.
Key Advantages
- Compact motor protection circuit breaker for industrial motor applications.
- 0.25 to 0.40 A adjustable thermal trip range.
- 100 kA short-circuit breaking capacity at 400 V AC.
- Combined thermal and magnetic protection.
- Phase failure sensitive motor protection.
- Rotary knob operation with lockable OFF position.
Key Features
- Lovato SM1R motor protection circuit breaker series.
- 0.40 A rated current.
- 0.25 to 0.40 A thermal adjustment range.
- 3-pole motor protection.
- Magnetic and thermal trip protection.
- Certified UL Type E.
- 35 mm DIN rail mounting.
- Suitable for industrial control panels and machine building.
Reliable Motor Protection for Industrial Applications
Motor protection circuit breakers such as the Lovato SM1R0040 help prevent motor damage by disconnecting the circuit during overload, short-circuit or phase failure conditions. This improves equipment reliability while reducing maintenance costs and unplanned downtime in industrial installations.
The SM1R range is designed for machine builders, panel manufacturers and maintenance engineers requiring compact, reliable and easy-to-install motor protection devices for industrial control systems.
Typical Applications
- Three-phase motor protection.
- Industrial control panels.
- Machine building and OEM equipment.
- Packaging and processing machinery.
- Pumps, fans and conveyor systems.
- Automation and motor control centres.
