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3RU1146-4HB0

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RRP:
$135.00
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$82.11 (You save $52.89)
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Out of Stock - Can ship in 1-2 days
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  • Product Description

    Siemens 3RU Class 10 Thermal Overload Relay for mounting on size S3 contactors (3RT1044, 3RT1045 and 3RT1046), adjustable from 36A-50A

    Click here for a PDF file on this Siemens 3RU11 thermal overload relay

    The 3RU11 thermal overload relays up to 100A are designed for current-dependant protection of applications with normal start-up conditions against impermissably high rises in temperature as a result of overload or phase failure. An overload or phase failure causes the motor current to rise above the set rated motor current. Resetting takes places manually or automatically after a recovery time has elapsed. The 3RU11 thermal overload relays are electrically and mechanically optimised to the 3RT1 contactors such that, in addition to individual mounting, they can also be directly mounted onto the contactors to save space. The 3RU11 thermal overload relays are designed for the protection of three-phase and single-phase AC and DC motors. If single-Phase AC or DC loads are to be protected using the 3RU11 thermal overload relays, all three bimetal strips should be heated. The 3RU11 thermal overloads relay is available for normal start up conditions in Class 10.


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