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WECM / Emerald eZA Manual | 21
11. TECHNICAL SPECIFICATIONS
11.1. POWER SUPPLY
Rated voltage: according product nameplate;
Voltage tolerance: -10% to +10%;
Frequency: 50/60 Hz (48Hz to 62Hz);
Phase imbalance: ≤3% of the rated phase-to-phase input voltage;
Minimum interval between consecutive starts: 5 minutes.
Maximum 1 connection from power supply cycle per 5 minutes
11.2. STANDARDS AND DIRECTIVES
EN 60034 - 1: 2010: Rotating electrical machines - Part 1: Rating and performance
EN 60034 - 2 - 1: 2014: Rotating electrical machines - Part 2 - 1: Standard methods for determining losses and
efficiency from tests (excluding machines for traction vehicles)
EN 60034 - 5: 2020: Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of
rotating electrical machines (IP code) – Classification
EN 60034 - 6: 1993: Rotating electrical machines - Part 6: Methods of cooling (IC code)
EN 60034 - 7: 2020: Rotating electrical machines - Part 7: Classification of types of constructions, mounting
arrangements and terminal box position (IM code)
EN 60034 - 8: 2007 / A1: 2014: Rotating electrical machines - Part 8: Terminal markings and direction of rotation
EN 60034 - 9: 2005 / A1:2007: Rotating electrical machines - Part 9: Noise limits
EN 60034 - 14: 2018: Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft
heights 56 mm and higher - measurement, evaluation and limits of vibration
CLC/TS 60034 - 25: 2008: Rotating electrical machines – Part 25: Guidance for the design and performance of a.c.
motors specifically designed for converter supply
CLC IEC/TS 60034 - 30 - 2: 2021: Rotating electrical machines - Part 30 - 2: Efficiency classes of variable speed AC
motors (IE-code)
EN IEC 63000: 2018: Technical documentation for the assessment of electrical and electronic products with respect to
the restriction of hazardous substances (IEC 63000:2016)
EN IEC 61800 - 3: 2018: Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test
methods
EN 60204-1: 2018: Safety of machinery - electrical equipment of machines - Part 1: General requirements
IEC 61800-5-1: 2007 / A1: 2017 / A1: 2021: Adjustable speed electrical power drive systems - Part 5 - 1: Safety
requirements - Electrical, thermal and energy (single-phase products)
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