Siemens Thermal Overload Relays
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Siemens 3RU21765HB108K - 280-400A 200KW SIZE-S12 C-10 SEPARATE MOUNTING THERMAL O/L RELAY
Siemens 3RU21765HB108K - 280-400A 200KW SIZE-S12 C-10 SEPARATE MOUNTING THERMAL O/L RELAY
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Siemens 3RU23765GB10-8K -220-320A 160KW SIZE-S12 C-30 SEPARATE MOUNTING O/L RELAY
Siemens 3RU23765GB10-8K -220-320A 160KW SIZE-S12 C-30 SEPARATE MOUNTING O/L RELAY
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Siemens 3RU23765FB108K -180-250A 132KW SIZE-S12 C-30 SEPARATE MOUNTING O/L RELAY
Siemens 3RU23765FB108K -180-250A 132KW SIZE-S12 C-30 SEPARATE MOUNTING O/L RELAY
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Buy Siemens Thermal Overload Relays Online
Siemens Thermal Overload Relays are electrical protection devices used to protect motors from damage due to excessive current. They are designed to trip and disconnect the power supply to the motor if the current exceeds a pre-determined level for a specified time period.
Thermal Overload Relays work by monitoring the temperature of the motor windings, and if the temperature exceeds a certain limit, the relay trips and disconnects the power supply to the motor. This protects the motor from damage due to overheating caused by excessive current.