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lovato sm1r0250 sm1 rotary control motor circuit breaker 1.6 - 2.5 amp

lovato sm1r0250 sm1 rotary control motor circuit breaker 1.6 – 2.5 amp

Lovato SM1R0250 motor protection circuit breaker with adjustable 1.6 to 2.5 A thermal protection, 100 kA breaking capacity and rotary knob operation.

SKU: SM1R0250MPN: SM1R0250
Price
List Price £79.61 ex VAT
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£79.61
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Manufacturer Lead Time

£79.61

Why Choose the Lovato SM1R0250 Motor Protection Circuit Breaker?

The Lovato SM1R0250 is a compact and dependable motor protection circuit breaker designed to protect three-phase motors against overloads, short circuits and phase failure conditions. As part of the Lovato SM1R series, it combines thermal and magnetic protection with a rotary knob operating mechanism, making it ideal for industrial machinery, OEM equipment and automation systems.

This manual motor starter offers an adjustable thermal protection range of 1.6 to 2.5 A, allowing precise motor protection for small industrial motors. Its compact design, 100 kA breaking capacity and UL Type E certification make it suitable for demanding industrial motor control applications.

With a rated current of 2.5 A, a 3-pole configuration and installation on a standard DIN rail, the SM1R0250 provides reliable motor protection whilst simplifying panel design and maintenance.

Key Advantages

  • Compact motor protection circuit breaker for industrial motor applications.
  • 1.6 to 2.5 A adjustable thermal trip range.
  • 100 kA short-circuit breaking capacity at 400 V AC.
  • Combined thermal and magnetic protection.
  • Phase failure sensitive motor protection.
  • Rotary knob operation with lockable OFF position.

Key Features

  • Lovato SM1R motor protection circuit breaker series.
  • 2.5 A rated current.
  • 1.6 to 2.5 A thermal adjustment range.
  • 3-pole motor protection.
  • Magnetic and thermal trip protection.
  • Certified UL Type E.
  • Rotary knob control with clear ON/OFF indication.
  • 35 mm DIN rail mounting for industrial control panels.

Reliable Motor Protection for Industrial Machinery

Motor protection circuit breakers such as the Lovato SM1R0250 disconnect the motor supply during overload, short-circuit or phase failure conditions. This helps minimise motor damage, improve system reliability and reduce unplanned maintenance in industrial installations.

The SM1R series is widely used by machine builders and panel manufacturers thanks to its compact footprint, adjustable protection settings and dependable switching performance. It provides reliable motor protection whilst simplifying installation within modern control systems.

Typical Applications

  • Three-phase motor protection.
  • Industrial control panels.
  • Machine building and OEM equipment.
  • Packaging and production machinery.
  • Pumps, fans and conveyor systems.
  • Automation and motor control centres.

Technical Specifications

Current 2.5 A
Application Motor protection
Actuator Type Rotary
Terminal Type Screw Terminal
Current Range 1–2.5 A
Phase Three Phase
Manufacturer Lovato Electric
Series SM1R
Model SM1R0250
Product type Motor protection circuit breaker
Rated current 2.5 A
Thermal trip adjustment range 1.6 to 2.5 A
Number of poles 3
Type of protection Magnetic and thermal
Type of control Rotary knob
Short-circuit breaking capacity (Icu) 100 kA at 400 V AC
Rated insulation voltage (Ui) 690 V AC
Rated impulse withstand voltage (Uimp) 6 kV
Frequency 50 / 60 Hz
Tripping class 10A
Protection rating IP20
Mounting type 35 mm DIN rail
Weight approx. 340 g
HS Code 85362010
Poles 3-pole
Device Type Motor protection breaker
Breaking Capacity 100 kA

Frequently Asked Questions

What is the Lovato SM1R0250 used for?

The Lovato SM1R0250 protects three-phase motors against overloads, short circuits and phase failure conditions.

What current range does the SM1R0250 support?

The adjustable thermal protection range is 1.6 to 2.5 A.

What is the breaking capacity of the SM1R0250?

The breaker provides a short-circuit breaking capacity of 100 kA at 400 V AC.

Can the SM1R0250 be mounted on a DIN rail?

Yes. It is designed for installation on a standard 35 mm DIN rail inside electrical control panels.

Does the SM1R0250 include thermal and magnetic protection?

Yes. It combines adjustable thermal overload protection with fixed magnetic short-circuit protection for comprehensive motor protection.

Trusted by Panel Builders Worldwide

Lovato SM1R motor protection circuit breakers are trusted by machine builders, automation engineers and panel builders for reliable motor protection, long service life and dependable industrial performance.

● Service Agreements

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 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

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Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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