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Thermal relays

SIEMENS offers a variety of thermal relays with different sizes S00, S0, S2 and S3 with a power range from 5.5kW to 45kW with an intensity from 0.25 to 100A. These products have overload trip, tripping phase failure and phase unbalance. They also have to attach to contactor connection, setting the motor current, switch for automatic / manual res...

SIEMENS offers a variety of thermal relays with different sizes S00, S0, S2 and S3 with a power range from 5.5kW to 45kW with an intensity from 0.25 to 100A. These products have overload trip, tripping phase failure and phase unbalance. They also have to attach to contactor connection, setting the motor current, switch for automatic / manual reset and reset button, terminals, temperature compensation and high Stability aspects over time.

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Manufacturer Code Reference Catalog Number Description Delivery Price

3RB3046-2XX1

3RB3046-2XX1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 20E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3046-2XB0

3RB3046-2XB0

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

3RU2146-4FD0

3RU2146-4FD0

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overload relay 28...40 A thermal for motor protection frame size S3, Class 10 for mounting on contactors main circuit: screw auxiliary circuit: spring-loaded terminal manual-automatic RESET

SIRIUS Innovations Thermal overload relay, motor protection, 28...40 A, S3, Class 10, contactor mounting, spring connection.

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3RU2146-4MB1

3RU2146-4MB1

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Overload relay 80...100 A Thermal For motor protection Size S3, Class 10 Stand-alone installation Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 80-100A, S3, Class10, independent mounting, screw connection

3 View Availability View Price

3RU2146-4MB0

3RU2146-4MB0

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Overload relay 80...100 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 80-100A, S3, Class10, contactor mounting, screw connection

3 View Availability View Price

3RU2146-4JB0

3RU2146-4JB0

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Overload relay 45...63 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 45-63 A, S3, Class 10, contactor mounting, screw connection.

3 View Availability View Price

3RU2146-4JB1

3RU2146-4JB1

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Overload relay 45...63 A Thermal For motor protection Size S3, Class 10 Stand-alone installation Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 45...63 A, S3, Class10, independent assembly, screw connection.

3 View Availability View Price

3RB3046-1UX1

3RB3046-1UX1

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 10E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3046-2XD0

3RB3046-2XD0

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3143-4XX1

3RB3143-4XX1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 5E...30E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RU2146-4FB0

3RU2146-4FB0

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Overload relay 28...40 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 28...40 A, S3, Class 10, contactor mounting, screw connection.

3 View Availability View Price

3RU2146-4JD0

3RU2146-4JD0

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Overload relay 45...63 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: spring-type terminal Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 45...63 A, S3, Class 10, contactor mounting, spring connection.

3 View Availability View Price

3RU2146-4JD1

3RU2146-4JD1

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overload relay 45...63 A thermal for motor protection frame size S3, Class 10 stand-alone installation main circuit: screw auxiliary circuit: spring-loaded terminal manual-automatic RESET

SIRIUS Innovations Thermal overload relay, motor protection, 45-63A, S3, Class10, independent assembly, spring connection.

3 View Availability View Price

3RB3046-1XB0

3RB3046-1XB0

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 10E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

3RB3046-2XW1

3RB3046-2XW1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 20E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

3RB3046-1XD0

3RB3046-1XD0

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 10E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3046-1XX1

3RB3046-1XX1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 10E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3143-4UX1

3RB3143-4UX1

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 5E...30E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RU2146-4MD1

3RU2146-4MD1

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overload relay 80...100 A thermal for motor protection frame size S3, Class 10 stand-alone installation main circuit: screw auxiliary circuit: spring-loaded terminal manual-automatic RESET

SIRIUS Innovations Thermal overload relay, motor protection, 80-100A, S3, Class10, independent mounting, spring connection. Manufactured to order. Non-Cancelable Non-Returnable.

3 View Availability View Price

3RB3046-2UX1

3RB3046-2UX1

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 20E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RU2146-4HD0

3RU2146-4HD0

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overload relay 36...50 A thermal for motor protection frame size S3, Class 10 for mounting on contactors main circuit: screw auxiliary circuit: spring-loaded terminal manual-automatic RESET

SIRIUS Innovations Thermal overload relay, motor protection, 36-50 A, S3, Class 10, contactor mounting, spring connection. Manufactured to order. Non-Cancelable Non-Returnable.

3 View Availability View Price

3RB3046-1UD0

3RB3046-1UD0

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 10E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3046-2UD0

3RB3046-2UD0

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RU2146-4KB1

3RU2146-4KB1

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Overload relay 57...75 A Thermal For motor protection Size S3, Class 10 Stand-alone installation Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 57...75 A, S3, Class10, independent assembly, screw connection.

3 View Availability View Price

3RU2146-4KB0

3RU2146-4KB0

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Overload relay 57...75 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection, 57-75 A, S3, Class 10, contactor mounting, screw connection.

3 View Availability View Price

3RB3046-1XW1

3RB3046-1XW1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 10E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

3RU2946-3AA01

3RU2946-3AA01

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stand-alone assembly support for 3RU21/3RB30/3RB31 Size S3 Main circuit: screw terminal

SIRIUS Innovations Bracket for independent mounting, S3, screw connection.

3 View Availability View Price

3RB3143-4XW1

3RB3143-4XW1

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Overload relay 32...115 A Electronic For motor protection Size S3, Class 5E...30E Stand-alone installation Main circuit: Straight-through transformer Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

3RB3143-4UD0

3RB3143-4UD0

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 5E...30E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

3 View Availability View Price

3RB3046-2UB0

3RB3046-2UB0

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Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

3 View Availability View Price

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