Overview

This document provides detailed technical specifications, performance ratings, mechanical dimensions, and accessory information for the ECO 32 series 4-pole industrial alternators. It covers multiple models within the ECO 32 range, including variations in size and power output.

1. Electrical and Performance Specifications

• Models Covered: ECO32-2S/4, ECO32-3S/4, ECO32-1L/4, ECO32-2L/4, ECO32-3L/4.
• Frequency: Rated for both 50 Hz and 60 Hz operation.
• Voltage Ratings: 400 V and 480 V options with IP45 protection.
• Power Ratings (KVA): Provided for different connection types including Series Star (Y), Parallel Star (YY), Series Delta (∆), and Parallel Delta (∆∆).
• Thermal Classes: Class H (ΔT=125°C) and Class F (ΔT=105°C) insulation ratings are specified for temperature rise limits.
• Power Factor: Ratings given for cos φ = 0.8 and cos φ = 1.
• Noise Levels: Noise emissions range approximately from 79 dB(A) to 93.4 dB(A) depending on model and operating conditions.
• Weight: Alternator weights vary from approximately 60 kg to 90 kg depending on model.
• Air Volume Flow: Airflow rates are specified at 1 meter and 7 meters distances for both 50 Hz and 60 Hz frequencies, indicating cooling performance.

2. Mechanical Dimensions and Mounting

• Form Factors: B3 and B14 mounting forms are detailed with overall dimensions in millimeters.
• Flange and Coupling Details: SAE flange sizes and disc coupling dimensions are provided, including parameters such as diameter (d), length (L), and bolt hole spacing (Q, Q1).
• Dimensional Data: Key dimensions such as height (B), width (C), depth (D), and angular measurements (α) are tabulated for each model.

3. Thermal and Mechanical Protection

• Protection Ratings: IP21, IP23, and IP45 mechanical protection classes are mentioned, indicating suitability for various environmental conditions.
• Thermal Protection Devices: Options include PTC and PT100 sensors for temperature monitoring, and bimetallic devices (DSR) for thermal regulation.
• Heaters and Regulators: Accessories such as heaters and UVR6 regulators are listed as standard or optional equipment to enhance operational reliability.

4. Accessories and Optional Equipment

• Disc couplings and flanges for mechanical integration.
• Thermal protection devices and sensors for monitoring winding temperatures.
• Regulators and heaters to maintain optimal operating conditions.

5. Key Operational Parameters and Limitations

• Ambient temperature rating typically 40°C for standard operation.
• Temperature rise limits defined by insulation class to ensure longevity and safety.
• Noise levels and airflow rates critical for installation planning and compliance with environmental standards.

Summary

The ECO 32 series alternators are robust industrial-grade machines designed for reliable operation under various electrical and mechanical configurations. The document provides comprehensive data on electrical ratings, mechanical dimensions, thermal protections, and accessory options, enabling proper selection, installation, and maintenance. Critical parameters such as power ratings, thermal class, noise emissions, and protection levels are clearly specified to guide users in application and compliance.