Why Choose the Lovato SM1RM4000 Motor Protection Circuit Breaker?
The Lovato SM1RM4000 is a compact and dependable motor protection circuit breaker designed to provide magnetic short-circuit protection for industrial motor circuits, machinery and automation panels. As part of the robust Lovato SM1RM series, it is suitable for panel builders, OEM machine manufacturers and maintenance engineers requiring reliable circuit protection in a compact three-pole format.
This breaker provides fast magnetic tripping during short-circuit conditions, helping protect motors, cables and connected electrical equipment. Its rotary knob control gives clear ON/OFF operation, while screw terminal connections and DIN rail mounting support straightforward installation inside industrial enclosures and control cabinets.
With a rated current of 40 A and a 20 kA breaking capacity at 400 V AC, the SM1RM4000 is ideal for motor circuits requiring dependable magnetic protection. Its 230–690 V AC operating voltage, IP20 design and compatibility with Lovato SM1 accessories make it practical for demanding industrial electrical installations.
Key Advantages
- Compact motor protection circuit breaker for industrial control panels.
- 40 A rated current for motor circuit protection.
- 20 kA breaking capacity at 400 V AC for industrial installations.
- Magnetic protection for rapid short-circuit interruption.
- Rotary knob control for simple and clear operation.
- Screw or 35 mm DIN rail mounting for flexible installation.
Key Features
- Lovato SM1RM motor protection circuit breaker series.
- 40 A rated current.
- 20 kA Icu at 400 V AC.
- Magnetic short-circuit protection.
- Magnetic tripping at approximately 13 × In.
- Three-pole construction.
- Rotary knob operating control.
- IP20 protection rating.
Reliable Magnetic Protection for Motor Circuits
Motor protection circuit breakers such as the Lovato SM1RM4000 help protect electrical circuits by rapidly disconnecting during short-circuit events. This reduces the risk of damage to motors, cabling and downstream control equipment in demanding industrial installations.
The SM1RM series is designed for use in machinery, control panels and automation systems where reliable protection, compact installation and simple operation are required. Its magnetic trip function and rotary operation make it suitable for motor starter assemblies and electrical distribution applications.
Typical Applications
- Industrial motor control circuits.
- OEM machinery and automation systems.
- Motor starter assemblies.
- Conveyors and material handling equipment.
- Electrical control panels and distribution boards.
- Manufacturing and process machinery.
