lovato sm1r0025 sm1 rotary control motor circuit breaker 0.16 - 0.25 amp

Why Choose the SM1R0025?

The Lovato SM1R0025 motor protection circuit breaker delivers reliable Type E coordination for precise, low‑current motor circuits. With an adjustable thermal trip range of 0.16–0.25 A and a rated current of 0.25 A, it achieves an Icu of 100 kA at 400 V. This 3‑pole unit combines magnetic and thermal protection with a rotary knob control, Ui 690 V and Uimp 6 kV.

Built on the SM1R platform, it offers 100,000 mechanical cycles, dependable operation from −20 to +60 °C, and performance up to 3000 m altitude. Compliant with IEC/EN 60947 standards plus UL508 and CSA, it suits panel builders and OEMs needing compact, high breaking‑capacity protection for small motors, fans, pumps and conveyors, supported by secure terminal tightening torque of 2.5 to 3 Nm.

Key Benefits

• Type E coordination with Icu 100 kA at 400 V for robustness.
• Adjustable thermal trip 0.16–0.25 A for precise motor protection.
• Combined magnetic and thermal protection enhances fault responsiveness.
• 3‑pole design with rotary knob for straightforward on-panel control.
• High insulation ratings: Ui 690 V and Uimp 6 kV.
• Wide operating range −20 to +60 °C; 100,000 mechanical cycles.
• UL, CSA and IEC/EN compliance aids global panel standardisation.

Technical Specification

• Product type designation: SM1R
• 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: 320 g

What’s Included

• Lovato SM1R0025 motor protection circuit breaker
• Manufacturer datasheet (downloadable)
• Protective packaging

Applications

• Small motors and precision drives within 0.16–0.25 A range
• Control panels and OEM machinery needing Type E coordination
• Fans, pumps and light conveyors in industrial environments
• Auxiliary motors in HVAC and building services
• Automation circuits requiring high short‑circuit breaking capacity

Safety note: Install and commission only by qualified personnel. Isolate power before work, and tighten terminals to 2.5–3 Nm. Operate within specified voltage, current and temperature limits.