Siemens
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- 0 pcs.On RequestUpdated at: 04-09-2026
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Trusted supplier — Germany, member since 2024
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This Electronic Overload Relay is designed to provide motor protection. With a rating of 32...115 A and a size of S3, it falls under Class 5E...30E. This relay is suitable for stand-alone installation. The main circuit operates through a straight-through transformer while the auxiliary circuit utilizes screw terminals for manual-automatic reset functionality.
Siemens

Siemens
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Datasheet for Siemens 3RB3143-4XW1, including specifications and features.
3D CAD model and technical drawings, ready for your design software.

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