STN - Slovenské národní normy

Low-voltage switchgear and controlgear. Part 4: Contactors and motor- starters. Section one: Electromechanical contactors and motor-starters

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Low-voltage switchgear and controlgear. Part 4-1: Contactors and motor-starters. Electromechanical contactors and motor-starters

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Low-voltage switchgear and controlgear.Part 4-1:Contactors and motor-starters.Electromechanical contactors and starters

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Low-voltage switchgear and controlgear -- Part 4: Contactors and motor-starters -- Section 2: A.C. semiconductor motor controllers and starters

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Nízkonapäťové spínacie a riadiace zariadenia. Časť 4-2: Stýkače a spúšťače motorov. Polovodičové regulátory a spúšťače motorov na striedavý prúd (Norma na priame používanie ako STN).

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Low-voltage switchgear and controlgear. Part 4-2: Contactors and motor-starters. AC semiconductor motor controllers and starters

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Low-voltage switchgear and controlgear. Part 4-2: Contactors and motor-starters. AC semiconductor motor controllers and starters

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Low-voltage switchgear and controlgear. Part 4-3: Contactors and motor-starters. AC semiconductor controllers and contactors for non-motor loads

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Low-voltage switchgear and controlgear. Part 5-1: Control circuit devices and switching elements. Electromechanical control circuit devices

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Low-voltage switchgear and controlgear. Part 5-1: Control circuit devices and switching elements. Electromechanical control circuit devices

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