Switch on to safe motor operation with this circuit breaker from Siemens. It monitors the attached circuit and steps in to cut the power supply before short circuits or overloads can damage downstream equipment. After it's tripped, you can reset the unit in a jiffy using its rotary handle switch, so there's minimal time lost. Thanks to compact dimensions of 140 (H) x 59 (W) x 149mm (D), you'll have no issues setting it up in panels with limited space. Thanks to a rating of up to 37kW, you can trust this powerhouse to reliably protect heavy-duty motors in the process and packaging industry.

• 6kV surge voltage resistance rating to handle sudden power spikes without experiencing damage
• Mechanical service life of 50,000 switching cycles for long-term performance
• Low power loss of 15W for energy efficiency
• IP20 rating shows that it's protected from objects larger than 12mm in size

No, this unit isn't protected against water, so it performs at its best in dry indoor settings.