Lovato SM1R0025 motor protection circuit breaker with 0.16 to 0.25 A adjustable thermal trip range, rotary knob control and 100 kA breaking capacity at 400 V AC.
£64.85
The Lovato SM1R0025 is a compact and reliable motor protection circuit breaker designed to protect small 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 rotary knob operation for straightforward use in industrial control panels.
This manual motor starter provides adjustable motor protection from 0.16 to 0.25 A, making it suitable for low-current motor circuits, precision machinery and automation systems. Its high breaking capacity and UL Type E certification make it a dependable choice for machine builders, panel builders and maintenance engineers.
With a rated current of 0.25 A, 3-pole configuration and 100 kA breaking capacity at 400 V AC, the SM1R0025 is ideal for protecting compact industrial motors and control equipment. Its DIN rail mounting format enables fast and secure installation inside electrical enclosures and motor control panels.
Motor protection circuit breakers such as the Lovato SM1R0025 help safeguard motors by disconnecting the circuit during overload, short-circuit or phase failure conditions. This helps reduce the risk of motor damage, electrical faults and unplanned downtime in machinery and automation systems.
The SM1R series is designed for industrial motor control applications where compact size, dependable protection and simple manual operation are essential. Its adjustable current setting and rotary handle allow easy configuration for the protected motor while maintaining clear local control.
| Phase | Three Phase |
|---|---|
| Manufacturer | Lovato Electric |
| Series | SM1R |
| Model | SM1R0025 |
| Product type | Motor protection circuit breaker |
| Rated current | 0.25 A |
| Thermal trip adjustment range | 0.16 to 0.25 A |
| Number of poles | 3 |
| Type of protection | Magnetic and thermal |
| Type of control | Rotary knob |
| Short-circuit breaking capacity Icu at 400 V AC | 100 kA |
| Rated insulation voltage Ui | 690 V AC |
| Rated frequency | 50 / 60 Hz |
| Tripping class | 10A |
| Protection rating | IP20 |
| Mounting type | 35 mm DIN rail / panel mounting |
| Weight | approx. 270 g |
| HS Code | 85362010 |
The Lovato SM1R0025 is used to protect small three-phase motors against overloads, short circuits and phase failure conditions.
The SM1R0025 has an adjustable thermal trip range of 0.16 to 0.25 A.
The Lovato SM1R0025 has a short-circuit breaking capacity of 100 kA at 400 V AC.
It is operated using a rotary knob control, providing clear manual ON/OFF switching.
It is typically installed on a 35 mm DIN rail inside electrical control panels, motor control centres and automation enclosures.
Lovato SM1R motor protection circuit breakers are widely used by panel builders, machine builders and maintenance engineers for dependable motor protection in industrial automation and control systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...