Overview

This document details the technical specifications, design features, and applications of stainless steel electric motors produced by KONČAR-MES Inc., a company with over 90 years of expertise. These motors are tailored for industries requiring stringent hygiene standards, such as food processing and pharmaceuticals, where frequent cleaning and corrosion resistance are critical.

Company Background

KONČAR-MES is part of the KONČAR Group and focuses on in-house development, continuous innovation, and quality service. The company aims to be a global leader in drive technology by meeting evolving customer and market needs with energy-efficient and reliable products.

Product Description

The motors are fully constructed from high-grade AISI 316 stainless steel, ensuring excellent resistance to humid and corrosive environments. They feature fully enclosed, smooth housings without protrusions, facilitating easy cleaning with high-pressure washers using acidic or alkaline agents. The cooling fan assembly is designed to support hygienic maintenance.

Applications

These motors are ideal for environments demanding extreme hygiene and frequent cleaning, including food processing, pharmaceutical manufacturing, and other sectors exposed to corrosive atmospheres.

Technical Specifications

• Operating voltage: 400V / 50Hz
• Available pole configurations: 2p, 4p, 6p, 8p with speeds from ~670 to 3000 min^-1
• Power ratings: 0.18 kW to 1.5 kW
• Efficiency: Ranges from approximately 69% to 86%, with IE3 premium efficiency class compliance
• Power factor (cos ϕ): Typically between 0.55 and 0.75 depending on motor size and speed
• Starting current ratio (Ik/In): Approximately 3 to 10, indicating robust starting performance
• Torque: Detailed nominal, starting, and maximum torque values provided to support various load demands
• Rotor inertia and motor mass increase proportionally with motor size and power rating

Advantages

• Use of AISI 316 stainless steel for superior corrosion resistance
• Premium class bearings enhance durability and operational reliability
• Drainage valve included for pressure equalization and condensate removal
• Waterproof terminal box with stainless steel cable gland and silicone seals ensures protection against moisture
• High ingress protection rating of IP69K suitable for high-pressure and hygienic cleaning environments

Options

• Custom voltage and frequency configurations available to meet specific requirements
• Thermal protection options including PTC thermistors or thermal switches for temperature monitoring
• Flange mounting options with flange and shaft extensions compliant with NEMA standards

Mounting and Dimensions

The document provides detailed mounting dimensions and shaft sizes for various motor frame sizes (e.g., 63L, 71S, 71K, 71L, 80K, 80L, 90A, 90S, 90L, 90LA). Mounting types include B14, B5S, and B5, with corresponding bolt sizes and shaft diameters, facilitating integration into diverse industrial setups.

Environmental and Efficiency Considerations

Designed to meet IE3 premium efficiency standards, these motors contribute to energy savings and sustainability. The absence of paints and chemicals in construction reduces environmental impact. Their robust design and premium components ensure above-average product lifetime, lowering total operational costs.

Summary

KONČAR-MES stainless steel electric motors are engineered for demanding hygienic applications requiring corrosion resistance, easy cleaning, and high efficiency. Their robust stainless steel construction, premium components, and compliance with energy efficiency standards make them well-suited for food, pharmaceutical, and other industries with strict hygiene and durability requirements.