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SM1RM0040 Lovato magnetic manual motor starter 0.25-0.4 amp
Lovato SM1RM0040 motor protection circuit breaker with 0.40 A rated current, magnetic-only protection and 100 kA IEC breaking capacity at 400 V AC.
£61.57
Why Choose the Lovato SM1RM0040 Motor Protection Circuit Breaker?
The Lovato SM1RM0040 is a compact and dependable motor protection circuit breaker designed for industrial motor protection, machinery and automation applications. As part of the Lovato SM1RM magnetic protection series, it provides reliable short-circuit protection with a 0.40 A rated current and an impressive IEC breaking capacity of 100 kA at 400 V AC.
Designed specifically for protecting low-current motor circuits, the SM1RM0040 features magnetic-only protection, making it suitable for applications where thermal overload protection is provided separately. Its rotary knob provides clear ON/OFF operation, while the compact DIN rail design enables simple installation inside industrial control panels.
With robust construction, international approvals and compatibility with the extensive Lovato SM1 accessory range, the SM1RM0040 is an excellent choice for machine builders, panel manufacturers and maintenance engineers seeking reliable motor circuit protection.
Key Advantages
- Compact motor protection circuit breaker for industrial control systems.
- 0.40 A rated current for low-current motor applications.
- 100 kA IEC breaking capacity at 400 V AC.
- Magnetic-only protection for rapid short-circuit interruption.
- Rotary knob control for straightforward operation.
- 35 mm DIN rail mounting for quick panel installation.
Key Features
- Lovato SM1RM motor protection circuit breaker series.
- 0.40 A rated current.
- Magnetic protection only.
- 100 kA Icu at 400 V AC.
- 690 V rated insulation voltage (Ui).
- 6 kV impulse withstand voltage (Uimp).
- Rotary knob operator.
- Compatible with Lovato SM1 accessories.
Reliable Protection for Industrial Motor Circuits
The Lovato SM1RM0040 is designed to provide dependable magnetic short-circuit protection for motor circuits and industrial control equipment. Its high interrupting capacity allows it to be installed in demanding electrical systems where rapid fault clearance is essential for equipment protection.
The compact design and extensive compatibility with Lovato SM1 accessories make this motor protection circuit breaker suitable for new panel builds as well as maintenance and retrofit projects across a wide range of industrial applications.
Typical Applications
- Industrial motor starter panels.
- Low-current motor protection.
- Machine building and OEM equipment.
- Industrial automation systems.
- Control panel assemblies.
- Motor control and distribution equipment.
Technical Specifications
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| Current | 0.4 A | |
|---|---|---|
| Actuator Type | Rotary | |
| Terminal Type | Screw Terminal | |
| Current Range | 0.1–0.4 A | |
| Application | Magnetic only | |
| Device Type | Motor protection breaker | |
| Breaking Capacity | 100 kA | |
| Manufacturer | Lovato Electric | |
| Series | SM1RM | |
| Model | SM1RM0040 | |
| Product type | Motor protection circuit breaker | |
| Rated current | 0.40 A | |
| Protection type | Magnetic | |
| Magnetic tripping | 13 × In | |
| Breaking capacity (Icu) at 400 V AC | 100 kA | |
| Rated insulation voltage (Ui) | 690 V | |
| Rated impulse withstand voltage (Uimp) | 6 kV | |
| Rated frequency | 50/60 Hz | |
| Control type | Rotary knob | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Mechanical life | 100,000 operations | |
| Operating temperature | -20°C to +60°C | |
| Weight | approx. 265 g | |
| HS Code | 85362010 |
Frequently Asked Questions
What is the Lovato SM1RM0040 used for?
The SM1RM0040 provides magnetic short-circuit protection for low-current industrial motor circuits and control systems.
What is the rated current of the SM1RM0040?
The Lovato SM1RM0040 has a 0.40 A rated current.
Does this breaker provide thermal overload protection?
No. The SM1RM0040 is a magnetic-only motor protection circuit breaker and is intended for applications where thermal protection is provided separately.
What is the breaking capacity?
The SM1RM0040 has an IEC breaking capacity (Icu) of 100 kA at 400 V AC.
Where is the SM1RM0040 typically installed?
It is commonly mounted on a 35 mm DIN rail inside industrial control panels, motor starter assemblies and OEM machinery.
Trusted by Control Panel Builders Worldwide
Lovato SM1RM motor protection circuit breakers are trusted by panel builders, machine manufacturers and automation engineers for dependable short-circuit protection, compact installation and reliable industrial performance.
