What warranty does Aeliya Marine Tech provide?

Aeliya Marine Tech provides a comprehensive 30-day warranty on this new Motovario S71B4 gearmotor assembly. Free worldwide shipping is included, and our technical support team is available throughout the warranty period.

Motovario S71B4 Motor with Spaggiari Worm Gear Reducer SW/040 0.37 kW IP55

Posted by Khushi Makwana on 31st Aug 2026

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The Motovario S71B4 Motor with Spaggiari Trasmissioni Worm Gear Reducer is a precision-engineered gearmotor assembly that combines Italian manufacturing excellence with robust industrial design for reliable power transmission in demanding applications. This integrated drive unit pairs a 0.37 kW single-phase induction motor from Motovario S.p.A. with a SW/040 worm gear reducer from Spaggiari Trasmissioni, delivering high torque output at low speed with the smooth, quiet operation that worm gear systems are renowned for. With its IP55 enclosure rating and Class F insulation system, this gearmotor is built to withstand the challenging environmental conditions found in industrial automation, material handling, and marine auxiliary applications.

Industrial engineers and maintenance professionals consistently specify Motovario gearmotors for their exceptional reliability, high efficiency, and compact form factor. The S71B4 motor frame size is optimized for applications requiring moderate power output with minimal space requirements, while the SW/040 worm reducer provides high reduction ratios in a single stage with inherent self-locking characteristics that prevent back-driving. The combination of Motovario motor technology with Spaggiari gear reducer engineering results in a drive solution that delivers years of trouble-free operation even in continuous-duty industrial environments.

At Auto2mation, we supply premium industrial drive equipment from Europe's most respected manufacturers. Every Motovario gearmotor in our inventory is inspected for quality and proper operation, and we provide comprehensive warranty coverage along with free worldwide shipping to ensure your equipment receives the drive components it needs without delay.

Key Features & Specifications

The Motovario S71B4 gearmotor assembly integrates a high-efficiency induction motor with a precision-machined worm gear reducer to deliver reliable power transmission for a wide range of industrial applications. The motor's Class F insulation system and IP55 enclosure provide protection against dust ingress and water jets, making this gearmotor suitable for both indoor and outdoor installations in industrial environments.

Motor Manufacturer: Motovario S.p.A.
Motor Type: Single-phase induction motor, 1~Mot
Motor Frame: S71B4 per EN 60034-1
Power Output: 0.37 kW
Voltage: 230V, 50 Hz (single-phase)
Speed: 1360 min-1 (nominal motor speed)
Current: 2.80A
Power Factor: 0.95 (cos phi)
Insulation Class: F (temperature rating 155°C)
Ambient Temperature: 40°C rated
Enclosure Rating: IP55 (dust protected, water jet resistant)
Mounting: IMB14 (face-mounted with flange)
Cooling: IC410 (surface cooled, no fan)
Duty Type: S2/10M (short-time duty, 10 minutes)
Serial Number: 000005712697

Gear Reducer Specifications

Reducer Manufacturer: Spaggiari Trasmissioni
Model: SW/040 worm gear reducer
Type Code: SW/040-SW 075
Product Code: 1051419S U
Assembly Reference: C03000, 09-5499957, 0041

Technical Specifications

Specification	Details
Motor Manufacturer	Motovario S.p.A.
Reducer Manufacturer	Spaggiari Trasmissioni
Motor Type	Single-Phase Induction Motor
Motor Frame	S71B4 (EN 60034-1)
Power Rating	0.37 kW
Input Voltage	230V AC, 50 Hz (Single-Phase)
Full Load Current	2.80A
Power Factor (cos phi)	0.95
Nominal Speed	1360 min-1 (RPM)
Insulation Class	Class F (155°C)
Enclosure Rating	IP55
Ambient Temperature	40°C
Mounting Type	IMB14 (Flange Mounted)
Cooling Method	IC410 (Surface Cooled)
Duty Type	S2/10M (Short-Time, 10 min)
Reducer Model	Spaggiari SW/040
Reducer Type	Worm Gear
Tropicalization	Trop 1 (Tropical Climate Rated)
Serial Number	000005712697

Applications & Use Cases

The Motovario S71B4 gearmotor with Spaggiari worm reducer is a versatile drive solution suitable for a broad range of industrial automation, material handling, and marine auxiliary applications. The compact form factor, single-phase power input, and high torque output at low speed make this gearmotor particularly well-suited for installations where three-phase power is unavailable and space is at a premium.

Conveyor Systems & Material Handling

Industrial conveyor systems, packaging machinery, and material handling equipment frequently require low-speed, high-torque drive solutions that can operate from standard single-phase power. The Motovario S71B4 gearmotor delivers the precise speed reduction and torque multiplication needed for belt conveyors, roller conveyors, and chain-driven transport systems. The worm gear reducer's inherent self-locking characteristic prevents back-driving when the conveyor is stopped, eliminating the need for external brake mechanisms in many applications. The IP55 enclosure provides reliable protection against dust and water in industrial environments.

Automated Gate & Door Systems

Industrial sliding gates, overhead doors, and access barriers require compact drive units capable of delivering high torque at low speed for smooth, controlled opening and closing. The Motovario S71B4 gearmotor provides the ideal combination of power and compact dimensions for these applications. The self-locking worm reducer holds the gate position without requiring a mechanical brake or external locking mechanism, and the single-phase 230V input enables installation at locations where three-phase power is not available. The S2/10M duty rating is well-matched to gate applications where the motor operates for short periods with adequate cooling time between cycles.

Industrial Mixing & Agitation

Small-batch mixing vessels, laboratory agitators, and chemical processing equipment require low-speed drives that deliver consistent torque for uniform mixing. The Motovario gearmotor's worm reducer provides the high reduction ratios needed to achieve optimal mixing speeds from standard motor inputs, while the 0.37 kW power output is sufficient for small to medium mixing applications. The Class F insulation system ensures reliable operation even when motor temperatures rise during extended mixing cycles.

Marine Auxiliary Equipment

Commercial vessels and offshore platforms utilize gearmotors for a variety of auxiliary equipment including winches, capstans, hatch cover drives, and small pump systems. The Motovario S71B4 gearmotor's IP55 enclosure rating and tropical climate rating (Trop 1) ensure reliable operation in the humid, salt-laden marine environment. The single-phase input is particularly advantageous on smaller vessels where three-phase power distribution may be limited to the engine room. The high power factor of 0.95 minimizes current draw from the vessel's electrical system, reducing voltage drop and energy consumption.

New Motovario Gearmotor Available

This new Motovario S71B4 motor with Spaggiari SW/040 worm gear reducer is ready for immediate shipment. Ideal for conveyors, gates, mixers, and marine auxiliary equipment - order now while stock lasts.

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Why Choose the Motovario S71B4 Gearmotor

Motovario has established a global reputation for manufacturing high-quality gearmotors that combine Italian engineering excellence with robust industrial construction. The S71B4 motor with Spaggiari worm reducer embodies this heritage through its precision-machined components, high-efficiency design, and comprehensive protection features.

Worm Gear Reducer Advantages

The Spaggiari SW/040 worm gear reducer provides several distinct advantages over other reduction technologies. Worm gears achieve high reduction ratios in a single stage, minimizing the number of rotating components and reducing overall gearbox size. The sliding contact between the worm and wheel provides inherent shock load absorption that protects connected machinery from damage. Most importantly, worm gear systems exhibit a self-locking characteristic when the reduction ratio exceeds approximately 30:1, meaning that the output shaft cannot be back-driven by the load. This self-locking property eliminates the need for external brakes in many applications and provides a safety feature that holds loads in position during power failures.

High-Efficiency Motor Design

The Motovario S71B4 motor achieves an exceptional power factor of 0.95, which minimizes reactive power consumption and reduces the current drawn from the electrical supply. This high power factor reduces energy costs, minimizes voltage drop in long supply cables, and allows operation from smaller circuit breakers and contactors than would be required for motors with lower power factors. The Class F insulation system provides a substantial temperature safety margin above the 40°C rated ambient, ensuring long motor life even in warm installations.

Comprehensive Environmental Protection

The IP55 enclosure rating provides complete protection against dust ingress and resistance to water jets from any direction, making this gearmotor suitable for outdoor installations, washdown environments, and industrial facilities where water and dust are present. The tropical climate rating (Trop 1) indicates that the motor is specifically designed to operate reliably in hot, humid climates where condensation and corrosion are common concerns. The IMB14 flange mounting configuration provides a compact, rigid installation that is ideal for OEM equipment and machinery builders.

Compatibility & Integration

The Motovario S71B4 gearmotor is designed for straightforward integration into industrial machinery and equipment. The single-phase 230V input operates from standard European single-phase power supplies without requiring variable frequency drives or phase converters.

Electrical Compatibility

The 230V, 50 Hz single-phase input is compatible with standard European residential and light commercial electrical supplies. The 2.80A full-load current can be safely handled by standard 10A or 16A circuit breakers, and the high power factor of 0.95 minimizes supply cable sizing requirements. For applications requiring speed control, the motor can be operated with variable frequency drives designed for single-phase output, or with single-phase speed controllers that use phase-angle control for simple speed adjustment.

Mechanical Integration

The IMB14 flange mounting configuration provides a flat mounting face with a centering spigot and bolt circle for rigid attachment to machinery frames and mounting brackets. The SW/040 worm reducer's output shaft is designed to accept standard couplings, sprockets, or pulleys for connection to the driven equipment. Auto2mation can provide guidance on appropriate coupling selection and alignment procedures to ensure reliable long-term operation.

Control System Integration

The single-phase motor can be controlled using standard contactors, motor starters, or solid-state relays compatible with the 2.80A full-load current. Thermal overload protection should be provided in the motor starter to protect against sustained overload conditions. For reversing applications, a suitable reversing contactor assembly with electrical interlocking is required. The S2/10M duty type indicates that the motor is designed for short-time operation with cooling periods between cycles, and continuous duty operation may require duty cycle analysis to prevent overheating.

Maintenance & Support

Worm gearmotors require minimal maintenance compared to other drive technologies, but proper lubrication and periodic inspection are essential for maximizing service life and ensuring reliable operation.

Recommended Maintenance

Annual maintenance should include inspection of the gearbox for oil leaks, verification that mounting bolts remain tight, and checking for abnormal noise or vibration during operation. The worm gear reducer is supplied filled with lubricating oil from the factory, and oil changes are typically required only after extended service intervals as specified by Spaggiari Trasmissioni. The motor bearings are sealed for life and require no additional lubrication. If the gearmotor is operated in a dusty environment, the external cooling fins should be cleaned periodically to maintain adequate heat dissipation.

Warranty & Technical Support

Auto2mation provides a comprehensive 30-day warranty on this new Motovario S71B4 gearmotor, covering both the motor and reducer for proper operation and workmanship. Our technical support team can assist with installation guidance, application questions, and troubleshooting. Free worldwide shipping ensures prompt delivery to any location.

Frequently Asked Questions

Q1: What applications is the Motovario S71B4 gearmotor best suited for?

The Motovario S71B4 gearmotor is ideal for applications requiring low-speed, high-torque drive from single-phase power. Common applications include conveyor systems, automated gates and doors, small mixers and agitators, winches, packaging machinery, and marine auxiliary equipment. The worm gear reducer's self-locking characteristic makes it particularly suitable for lifting and holding applications where back-driving must be prevented.

Q2: What is the advantage of a worm gear reducer?

Worm gear reducers provide high reduction ratios in a single stage with a compact form factor. The key advantage is the self-locking characteristic that prevents the output shaft from being back-driven by the load when the motor is stopped. This eliminates the need for external brakes in many applications. Worm gears also operate with smooth, quiet motion and absorb shock loads effectively, protecting connected machinery from damage.

Q3: What does the IP55 enclosure rating mean?

IP55 means the motor is protected against dust limited ingress (the first 5) and protected against low-pressure water jets from any direction (the second 5). This rating makes the motor suitable for outdoor installations, industrial environments with dust and water spray, and washdown applications. The IP55 rating does not, however, permit submersion or exposure to high-pressure water jets.

Q4: What does the S2/10M duty rating indicate?

S2/10M is a short-time duty rating per IEC 60034-1, indicating that the motor is designed to operate at its rated load for 10 minutes followed by a rest period of sufficient duration for the motor to cool to within 2K of the coolant temperature. This duty type is common for gearmotors used in intermittent applications such as gate operators, winches, and batch processing equipment. For continuous duty applications, a motor with S1 continuous duty rating should be selected.

Q5: Can this gearmotor be used with a variable frequency drive?

Single-phase motors are generally not compatible with standard three-phase variable frequency drives. However, some VFD manufacturers offer drives specifically designed for single-phase capacitor-start or permanent-split-capacitor motors. Alternatively, the application may be converted to use a three-phase motor (available in the Motovario range) with a standard VFD for applications requiring variable speed control. Contact Auto2mation for guidance on speed control options for your specific application.

Q6: What warranty does Auto2mation provide?

Auto2mation provides a comprehensive 30-day warranty on this new Motovario S71B4 gearmotor assembly, covering both the motor and worm gear reducer for proper operation and workmanship. Free worldwide shipping is included with every purchase, and our technical support team is available to assist with installation guidance, application questions, and troubleshooting throughout the warranty period.