
SIEMENS 3RB3026-1QB0 OVERLOAD RELAY New
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The Siemens SIRIUS 3RB3026-1QB0 overload relay delivers dependable motor protection for industrial control and power distribution systems. Designed for compact S0 motor starter combinations, it safeguards three-phase motors with a 6–25 A setting range and Class 10 tripping characteristic, helping reduce nuisance trips while protecting against sustained overload.
Built on the SIRIUS platform, this electronic overload relay offers precise current monitoring and straightforward setup for panel builders and OEMs. The clear adjustment dial supports fast commissioning, while screw terminals provide secure, vibration-resistant connections. Its Class 10 behavior enables reliable coordination with S0 contactors in IEC motor starter assemblies, aligning with IEC/EN 60947-4-1 for consistent performance across applications.
Whether you are standardizing a series machine design or upgrading installed equipment, the 3RB3026-1QB0 provides the protection headroom and footprint you expect from Siemens, and it comes supported by a 1-year warranty to help keep project risk and lifecycle costs under control.
- Brand: Siemens
- Series: SIRIUS
- Model: 3RB3026-1QB0
- Current setting range: 6 to 25 A
- Trip class: Class 10
- Size/coordination: For S0 contactors
- Connection type: Screw terminals
- Standard: IEC/EN 60947-4-1