lovato sm1p0250 sm1 push button motor circuit breaker 1.6 - 2.5 amp

Why Choose the SM1P0250?

Engineered for reliable motor safeguarding, the Lovato SM1P0250 motor protection circuit breaker combines magnetic and thermal protection with a wide 1.6…2.5 A adjustment range. With an IEC breaking capacity Icu of 100 kA at 400 V, this 3‑pole unit provides dependable short-circuit and overload defence in industrial panels, while push-button control supports straightforward local operation and reset.

Built on the SM1P platform, it offers Ui 690 V and Uimp 6 kV for robust insulation performance, plus 100000 mechanical cycles for long service life. Operating from −20 to +60 °C and up to 3000 m altitude, with 2.5 to 3 Nm terminal torque, it conforms to IEC/EN 60947-1/2/4-1, UL508 and CSA C22.2 n° 14, and carries a Sustainability certification.

Key Benefits

• Wide 1.6…2.5 A adjustment for accurate overload protection.
• High Icu 100 kA at 400 V for fault withstand.
• Magnetic and thermal protection maximises motor safety.
• Three-pole design suits common three-phase motor circuits.
• Push-button control simplifies local operation and reset.
• Ui 690 V and Uimp 6 kV support industrial insulation levels.
• Mechanical life of 100000 cycles reduces downtime.
• Operates from −20 to +60 °C for varied environments.

Technical Specification

• Product type designation: SM1P
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 6 kV
• Mechanical life: 100000 cycles
• Terminal tightening torque: 2.5 to 3 Nm
• Operating temperature: -20 to +60 °C
• Storage temperature: -50 to +80 °C
• Max altitude: 3000 m
• Weight: 350 g

What’s Included

• Lovato SM1P0250 motor protection circuit breaker unit
• Basic installation and adjustment leaflet
• Protective manufacturer packaging

Applications

• Three-phase motor starters and control panels
• Industrial machinery overload and short-circuit protection
• Pumps, fans and conveyors within the 1.6…2.5 A range
• HVAC and building services motor circuits

Safety note: Installation and adjustment must be performed by qualified personnel. Isolate power before work, set the thermal range to the motor rating, and tighten terminals to 2.5–3 Nm in accordance with applicable standards.