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Siemens 3RB2026-1SB0 Class 10 Solid-State Overload Relay - 3-12A

Siemens 3RB2026-1SB0 Class 10 solid-state overload relay, 3-12A.

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ManufacturerSiemens
Part number3RB2026-1QB0
Current Range 3-12 A
Class 10
Mounting Contactor Mounting (Size S0)
Main Circuit Screw Terminal
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3-Phase Motor Protection Class 10 Tripping Manual/Automatic Reset Screw Terminals Direct Contactor Mounting Phase Loss Protection

The Siemens 3RB2026-1SB0 is a solid-state overload relay designed for precise protection of three-phase motors. It offers an adjustable current range from 3 to 12 Amps and a Class 10 tripping characteristic, ensuring reliable inverse-time delayed protection against overloads, phase unbalance, and phase failure.

This relay is intended for direct mounting onto Siemens size S0 contactors (e.g., 3RT1023, 3RT1024, 3RT1025, 3RT1026). It supports both manual and automatic reset functions and includes a set of auxiliary contacts (1 NO + 1 NC) for signaling and control purposes. Screw terminals are used for secure connections in both main and auxiliary circuits.

Stanlo Automation, your trusted veteran-owned source for industrial surplus, offers the Siemens 3RB2026-1SB0. We are committed to providing high-quality components to keep your operations running smoothly. Count on us for reliable sourcing and dedicated customer support.

Current Range3-12 A
Class10
MountingContactor Mounting (Size S0)
Main CircuitScrew Terminal
Aux. CircuitScrew Terminal
ResetManual/Automatic
Auxiliary Contacts1 NO + 1 NC
Voltage690 V
Motor Control
Industrial Automation
Small to Medium Motors
Pumps
Fans
HVAC
Designed for direct mounting on Siemens Size S0 contactors (e.g., 3RT1023, 3RT1024, 3RT1025, 3RT1026).
Siemens 3RB2026-1SB0 Sirius Overload Relay 3-12A Overload Relay
This product is phased out. The preferred successor is the Siemens SIRIUS 3RB3026-1SB0.
Expert tip
This relay is designed for direct mounting on specific Siemens size S0 contactors, offering a compact and reliable motor protection solution.
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What is the adjustable current range for the Siemens 3RB2026-1SB0 overload relay?
The Siemens 3RB2026-1SB0 overload relay features an adjustable current range from 3 to 12 Amps. This allows for precise setting to protect motors within this specified range against overloads.