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VR32 series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz,voltage up to 690v,current up to 0.3-95A under 8-hours duty or uninterrupted duty. Applicable Standards National Standard: GB 14048 International Standard: IEC 60947-4-1 The relays can be mounted onto contactors or installed as single units.
 ● The altitude couldn t exceed 2000m. ● Ambient temperature: -5 ~+55 and the average temperature no more than +35 in 24 hours. ● Atmosphere: Comparative humidity no more than 50% at max +40 , and it may be higher at a lower temperature. The lowest average temperature no more than +20 in the wettest month. The maximum average comparative humidity of this month couldn t exceed 90%, The change of temperature leading to dew on the product must be considered. ● Class of pollution: Class 3. ● The slope between installation surface and vertical surface couldn t exceed 5o. ● Keeping away from explosive, corrosive and electric atomy. ● Keeping dry. ● The product should be used and installed at certain place without any shock, vibration etc.


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