3RU2126-1FC0Цена на сайте указана розничная в ЕВРО без учета НДС.
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Mountable accessories for SIRIUS 3RU21 thermal overload relays SIRIUS 3RU2136-4.B0 thermal overload relays 3RU21В thermal overload relays up to 100В A have been designed to provide current-dependent protection for loads with normal starting against impermissibly high temperature rises due to overload or phase failure. An overload or a phase failure result in an increase of the motor current beyond the set rated motor current. Via heating elements, this current rise heats up the bimetal strips inside the device which then bend and as a result trigger the auxiliary contacts by means of a tripping mechanism. The auxiliary contacts then switch off the load by means of a contactor. The break time depends on the ratio between the tripping current and the current settingВ Ie and is stored in the form of a long-term stable tripping characteristic curve. The "tripped" status is signaled by means of a switch position indicator. The relay is reset manually or automatically after a recovery time has elapsed. The 3RU2 thermal overload relays are suitable for operation with frequency converters. The devices are manufactured in accordance with environmental guidelines and contain environmentally friendly and reusable materials. They comply with all important worldwide standards and approvals. Use in hazardous areasThe 3RU2 overload relays are certified in accordance with both the European explosion protection directive (ATEX) and the international explosion protection standard (IECEx). Article No. scheme
Note: The Article No. scheme shows an overview of product versions for better understanding of the logic behind the article numbers. For your orders please use the article numbers quoted in the selection and ordering data. |
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