SM1RM4000 Lovato magnetic manual motor starter 30-40 amp

Why Choose the SM1RM4000?

Ensure dependable motor circuit protection with the Lovato SM1RM4000 Motor Protection Circuit Breaker. Delivering a rated current of 40 A and an IEC breaking capacity Icu of 20 kA at 400 V, this magnetic device with a rotary knob provides robust short-circuit response and straightforward local control. With Ui 690 V and Uimp 6 kV, it offers strong insulation performance for industrial control panels.

Built for reliability, the SM1RM series is rated for 100000 mechanical life cycles and operates from -20 to +60 °C. Terminal connections tighten to 2.5–3 Nm for secure wiring, and performance is verified up to 3000 m altitude. Conforming to IEC/EN 60947-1, -2, and -4-1, with UL and CSA references, it also carries a Sustainability certification.

Key Benefits

• 40 A rated current for reliable protection of motor circuits.
• 20 kA Icu at 400 V for strong short-circuit interruption.
• Magnetic protection for dependable short-circuit response.
• Rotary knob control for clear, quick local operation.
• Ui 690 V and Uimp 6 kV enhance insulation performance.
• Wide operating range from -20 to +60 °C suits harsh sites.
• 100000 mechanical life cycles support long service reliability.
• IEC/EN 60947 compliance for assured panel integration.

Technical Specification

• Product type designation: SM1RM
• 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: 390 g

What’s Included

• SM1RM4000 motor protection circuit breaker unit
• Manufacturer datasheet (download link)

Applications

• Motor circuits up to 40 A requiring magnetic protection
• Control panels designed to IEC/EN 60947 standards
• Installations needing 20 kA Icu at 400 V
• Environments between -20 and +60 °C, up to 3000 m altitude

Safety note: Install and commission only by qualified personnel. Isolate power before work, tighten terminals to 2.5–3 Nm, and operate within specified temperature and altitude limits following the listed standards and manufacturer guidance.