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Siemens 3RB3026-2QB0 SIRIUS Electronic Overload Relay

Siemens 3RB3026-2QB0 SIRIUS Electronic Overload Relay

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ManufacturerSiemens
Part number3RB3026-2QB0
Current Range 6-25 A
Trip Class 20E
Size S0
Mounting Contactor Mounting
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Electronic Overload Protection Phase Loss Sensitivity Adjustable Current Setting Manual/Automatic Reset Direct Contactor Mounting Class 20E Tripping

The Siemens 3RB3026-2QB0 is a reliable electronic overload relay designed for comprehensive motor protection. It offers an adjustable current setting from 6 to 25 A and a Class 20E tripping characteristic, providing a balance between protection and operational flexibility. This relay is engineered for direct mounting onto Siemens 3RT2 Size S0 contactors, featuring screw terminals for both main and auxiliary circuits.

This overload relay is equipped with phase loss sensitivity and is suitable for a wide array of industrial applications, including motor control centers, pump systems, conveyor belts, and HVAC equipment. Its design ensures protection against overloads, phase unbalance, and phase failures.

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Current Range6-25 A
Trip Class20E
SizeS0
MountingContactor Mounting
Main Circuit TerminalsScrew
Auxiliary Circuit TerminalsScrew
ResetManual/Automatic
Poles3
Voltage Rating690V AC
Motor Control Centers
Pump Systems
Conveyor Belts
HVAC Equipment
Industrial Automation
Siemens 3RT2023 Siemens 3RT2024 Siemens 3RT2025 Siemens 3RT2026 Siemens 3RT2027 Siemens 3RT2028
Siemens SIRIUS Overload Relay 3RB3026-2QB0
Compatible with Siemens 3RT2 Size S0 contactors.
Expert tip
This relay is designed for direct mounting on Siemens 3RT2 Size S0 contactors; ensure correct alignment for secure connection.
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What are the protection features of the Siemens 3RB3026-2QB0 overload relay?
The Siemens 3RB3026-2QB0 overload relay provides electronic motor protection including overload, phase unbalance, and phase failure detection. It specifically includes phase loss sensitivity to prevent motor damage.