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SM3R9000 Lovato rotary motor protection circuit beaker 70-90 amp

SM3R9000 Lovato rotary motor protection circuit beaker 70-90 amp

Lovato SM3R9000 motor protection circuit breaker with 70-90 A adjustable thermal trip range, 90 A rated current and 50 kA breaking capacity at 400 V AC.

SKU: SM3R9000MPN: SM3R9000
Price
List Price £359.24 ex VAT
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£359.24
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Manufacturer Lead Time

£359.24

Why Choose the Lovato SM3R9000 Motor Protection Circuit Breaker?

The Lovato SM3R9000 is a robust motor protection circuit breaker designed to provide dependable thermal and magnetic protection for industrial motors. As part of the Lovato SM3R motor protection circuit breaker series, it combines motor overload protection, short-circuit protection and manual switching in one compact device.

With an adjustable thermal trip range of 70–90 A and a rated current of 90 A, the SM3R9000 is suitable for higher current motor control applications where reliable protection and safe isolation are essential. Its 50 kA breaking capacity at 400 V AC provides strong short-circuit protection for demanding industrial installations.

The SM3R9000 features thermal magnetic protection, rotary knob operation and compatibility with Lovato SM series accessories, making it ideal for motor control centres, machinery panels, pump systems, fan systems and OEM automation equipment.

Key Advantages

  • Compact motor protection circuit breaker for industrial motor control.
  • 70–90 A adjustable thermal trip range for overload protection.
  • 90 A rated current for higher power motor applications.
  • 50 kA short-circuit breaking capacity at 400 V AC.
  • Thermal and magnetic protection in one device.
  • Rotary knob control for clear manual operation and isolation.

Key Features

  • Lovato SM3R motor protection circuit breaker series.
  • 70–90 A adjustable overload setting.
  • 90 A rated current.
  • 3-pole motor protection circuit breaker.
  • IEC breaking capacity Icu 50 kA at 400 V AC.
  • Thermal magnetic sensing for overload and short-circuit protection.
  • Rotary knob operating mechanism.
  • Suitable for industrial control panels and motor protection systems.

Reliable Motor Protection for Industrial Applications

Motor protection circuit breakers help protect electric motors from overloads and short circuits while allowing operators to manually switch and isolate motor circuits. By combining thermal overload protection with magnetic short-circuit protection, they support safe, reliable and space-efficient motor control panel design.

The Lovato SM3R9000 is engineered for demanding industrial installations where higher current motor protection, dependable switching and strong fault-breaking performance are required.

Typical Applications

  • Industrial motor control panels.
  • Motor control centres and distribution boards.
  • Pumps, fans and compressor systems.
  • Conveyors and material handling equipment.
  • OEM machinery and automation systems.
  • Manufacturing and process control installations.

Technical Specifications

Current 90 A
Application Motor protection
Actuator Type Rotary
Terminal Type Screw Terminal
Current Range 63–100 A
Phase Three Phase
Manufacturer Lovato Electric
Series SM3R
Model SM3R9000
Product type Motor protection circuit breaker
Thermal trip adjustment range 70–90 A
Rated current (In) 90 A
Number of poles 3
Type of protection Magnetic and thermal
Short-circuit breaking capacity (Icu) 50 kA at 400 V AC
Rated operating voltage 230–690 V AC
Rated insulation voltage 1 kV
Type of control Rotary knob
Electrical connection Screw terminals
Mounting type DIN rail / panel mounting
Protection rating IP20
Certified UL Type E Yes
Package dimensions 175 × 180 × 75 mm
EAN 8013975219867
Weight approx. 2.3 kg
Standards IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4-1, UL508, CSA C22.2 No.14
Certifications cULus, EAC
HS Code 85362090
Poles 3-pole
Device Type Motor protection breaker
Breaking Capacity 50 kA

Frequently Asked Questions

What is the Lovato SM3R9000 used for?

The SM3R9000 is used to protect industrial motors against overloads and short circuits while also providing manual switching and isolation.

What current range does the SM3R9000 cover?

The SM3R9000 has an adjustable thermal trip range of 70–90 A and a rated current of 90 A.

What is the breaking capacity of the SM3R9000?

The SM3R9000 has an IEC short-circuit breaking capacity of 50 kA at 400 V AC.

What type of protection does this circuit breaker provide?

It provides thermal and magnetic protection, covering both motor overload and short-circuit fault conditions.

Is the SM3R9000 suitable for industrial control panels?

Yes. It is designed for industrial motor control panels, motor control centres, OEM machinery and automation systems.

Trusted by Industrial Control Professionals

Lovato SM3R motor protection circuit breakers are widely used by panel builders, automation engineers and machine manufacturers to provide reliable motor protection, safe switching and dependable operation in demanding electrical installations.

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