Company Background and Product Range

FIMET S.p.A., established in 1910 and based in BRA, Italy, specializes in manufacturing advanced power drive solutions, including DC motors and three-phase asynchronous motors compliant with IEC standards. Their product range covers motors from 0.4 kW up to 865 kW, designed for low and medium voltage industrial applications.

Motor Types and Features

• Die-cast squirrel cage rotors
• Single and multispeed motors
• Brake motors
• Specialized versions for presses and fans
• High efficiency (EFF 1) models
• Water-cooled motors
• ATEX certified motors for hazardous atmospheres (dust zones 21 and 22, gas zone 2)
• Vector motors
• DC motors

Design and Protection Standards

Motors are engineered following national and international standards such as R.I.N.A., L.L.R.R., and ENEL. Protection options include tropical and special executions for aggressive environments, with typical enclosures rated at IP23S.

Adaptation for Inverter Use

To ensure compatibility with modern IGBT transistor-based inverters operating at high switching frequencies, FIMET standardizes motor features including:

• Double insulated copper wire windings
• Phase winding separation with high-temperature insulation
• Enhanced insulation at winding terminals
• Immersion impregnation of windings

These adaptations improve motor lifespan and efficiency compared to traditional designs.

Modular Motor Configurations for Inverter Applications

• Forced ventilation
• Forced ventilation with encoder
• Forced ventilation with brake
• Forced ventilation with brake and encoder

Detailed Technical Specifications of DC Motors

The document provides extensive tabulated data for various DC motor models (e.g., CC80S to CC112L), detailing:

• Cooling types: IC06, IC17, IC37
• Enclosure protection: IP23S
• Excitation power: 152 W to 600 W
• Field inductance: approx. 10.8 H to 15.2 H
• Motor weight: 45 kg to 125 kg
• Maximum mechanical speed: up to 5700 rpm
• Winding codes and rated speeds
• Rated current and voltage
• Efficiency: typically 60% to 90%
• Resistance and inductance values
• Saturated torque values (Nm)

Performance parameters are provided at various voltages (170V, 280V, 400V, 440V) to support application-specific selection.

General Motor Specifications for Larger Models

For medium to large DC motors (models CC132 to CC450 series), key characteristics include:

• Cooling types: IC06, IC17, IC37
• Enclosure protection: IP23S
• Excitation power: ranges from 690 W up to 6300 W depending on model
• Motor mass: from 150 kg to 6700 kg
• Moment of inertia: 0.035 to 53.5 Kgm²
• Maximum mechanical speed: 1800 to 5700 rpm depending on model

Electrical and Performance Parameters

Each motor model includes detailed armature circuit data with parameters such as:

• Rated speed (rpm)
• Rated current (A)
• Efficiency (%)
• Armature resistance (ohm)
• Armature inductance (mH)
• Saturated torque (Nm)
• Power output (kW)

These parameters are tabulated for multiple winding codes and armature voltages (e.g., 200V, 280V, 400V, 440V, 520V), illustrating performance variations with electrical input and speed.

Model-Specific Highlights

• CC132 Series: Weights 150-190 kg, excitation power 690-970 W, max speeds 4600-4800 rpm, moment of inertia 0.078-0.108 Kgm².
• CC160 Series: Weights 250-300 kg, excitation power 1270-1800 W, max speeds 4200-4500 rpm, moment of inertia 0.18-0.27 Kgm².
• CC180 Series: Weights 460-550 kg, excitation power 1580-2200 W, max speeds 3700-3900 rpm, moment of inertia 0.33-0.51 Kgm².
• CC200 to CC250 Series: Weights 610-1300 kg, excitation power 2080-3200 W, max speeds 2800-3300 rpm, moment of inertia 0.56-2.32 Kgm².
• CC280 to CC450 Series: Weights 1400-6700 kg, excitation power 3600-6300 W, max speeds 1800-2900 rpm, moment of inertia 2.7-53.5 Kgm².

Performance Insights

• Efficiency ranges from approximately 60% in smaller motors up to over 95% in larger, optimized models.
• Resistance and inductance values generally decrease with increasing motor size and power rating, reflecting design optimization.
• Saturated torque increases with motor size, supporting higher torque demands.
• Rated currents vary widely, from about 5 A in small motors to over 700 A in large motors.

Gearmotors and Gearboxes

FIMET offers a comprehensive range of gearmotors and gearboxes designed per ISO standards, available in compact or flange-mounted versions with single or multiple polarities and self-braking options. Types include:

• Coaxial gearboxes: up to 90 kW power, torque up to 19,000 Nm, cast-iron housing, 1-4 reduction stages.
• Parallel shaft mounted: up to 60 kW, torque up to 6,400 Nm, monobloc cast-iron housing, 2-4 reduction stages.
• Parallel shaft: up to 9,200 kW, torque up to 490,000 Nm, helical cylindrical gears.
• Bevel gearboxes: up to 2,400 kW, torque up to 525,000 Nm, helical bevel and cylindrical gears.
• Worm gears: up to 7.5 kW, torque up to 1,600 Nm, compatible with common market dimensions.

Inverters and Drives

• Power range from 0.37 kW to 630 kW with CE marking.
• Available in open loop and closed loop control versions.
• Voltage ranges include single-phase 180-264 V and three-phase 320-550 V or 230-480 V.
• Specialized products include MOTEC on-board motor inverters, SOFT-START units (4-800 kW), and integrated by-pass voltage systems.

Critical Recommendations and Best Practices

• Ensure motor selection aligns with required rated speed, current, torque, and power as per detailed tables.
• Match cooling type and enclosure protection to environmental conditions for reliability.
• Consider moment of inertia for dynamic response and load handling in system design.
• Use modular motor configurations (e.g., with brakes and encoders) for enhanced control in inverter-driven applications.
• Adhere to international standards and certifications (e.g., ATEX) for safety and compliance in hazardous environments.
• Select gearmotor and gearbox types based on power, torque, and installation constraints.
• Choose inverters compatible with motor power ratings and control requirements.
• Consult FIMET for updates or modifications to product specifications.

Legal and Usage Notices

• All technical data and descriptions are indicative and subject to change without notice.
• Reproduction of the catalogue is prohibited without written authorization from FIMET S.p.A.
• FIMET reserves the right to modify product characteristics without prior notice.

Summary

This comprehensive technical catalogue from FIMET S.p.A. provides detailed specifications, performance data, and configuration options for a wide range of DC motors, gearmotors, gearboxes, and inverters. It supports engineers and technicians in selecting and applying motors optimized for inverter compatibility, high efficiency, and industrial reliability. Extensive tabulated data enables precise matching of motor parameters to application requirements, ensuring optimal performance and durability in diverse industrial environments.