SM2R5000 Lovato rotary motor protection circuit beaker 34-50 amp

Why Choose the SM2R5000?

Lovato’s SM2R5000 Motor Protection Circuit Breaker delivers dependable motor safeguarding in demanding industrial panels. With 50 kA Icu at 400 V and an adjustable thermal trip range of 34–50 A, SKU SM2R5000 suits applications requiring precise overload and short-circuit protection. A 3‑pole configuration, magnetic and thermal protection, and a rotary knob control combine to provide straightforward set‑up, clear adjustment, and fast reset in everyday maintenance.

Built on the SM2R platform, this device features a rated insulation voltage of 1000 V and 6 kV impulse withstand for robust coordination in control circuits. It operates from −20 to +70 °C, up to 3000 m altitude, and offers a mechanical life of 50,000 cycles to support long service. Certified UL Type E and compliant with IEC/EN and UL/CSA standards, it integrates reliably into new builds and retrofits.

Key Benefits

• 50 kA Icu at 400 V for reliable short-circuit interruption.
• Adjustable thermal trip 34–50 A to match application requirements.
• Combined magnetic and thermal protection for comprehensive motor safety.
• Simple rotary knob control for quick set-up and reset.
• UL Type E certified and IEC/EN compliant for global panel standards.
• Operates from −20 to +70 °C to suit varied environments.
• 3‑pole design for three‑phase motor circuits up to 50 A.

Technical Specification

• Product type designation: SM2R
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 6 kV
• Mechanical life: 50000 cycles
• Terminal tightening torque: 4.5 to 4.5 Nm
• Operating temperature: -20 to +70 °C
• Storage temperature: -50 to +80 °C
• Max altitude: 3000 m
• Weight: 1000 g

What’s Included

• Lovato SM2R5000 motor protection circuit breaker unit
• Manufacturer datasheet (PDF, downloadable)

Applications

• Protection of three‑phase motors in industrial control panels
• Pumps, fans and compressors requiring motor circuit protection
• Conveyors and material handling equipment motor circuits
• OEM machinery and general-purpose motor starters

Safety note: Only qualified personnel should install and adjust this device. Isolate all power sources before work and follow applicable IEC/EN, UL and CSA standards and manufacturer instructions.