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Siemens 3RT1926-2GJ51 Time-Delayed Auxiliary Switch (Star-Delta)

Siemens 3RT1926-2GJ51 time-delayed auxiliary switch for star-delta.

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ManufacturerSiemens

Part number3RT1926-2GJ51

Type Solid-state time-delayed auxiliary switch

Time Range 1.5...30 s

Voltage 24 V AC/DC

Contacts 2 NO

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Solid-state timing Adjustable time range Star-delta function 2 NO contacts Front-side snap-on mounting 24V AC/DC operation

Product description

The Siemens 3RT1926-2GJ51 is a solid-state, time-delayed auxiliary switch designed for front-side snap-on mounting. It features an adjustable time range from 1.5 to 30 seconds and operates on 24V AC/DC. This auxiliary switch is equipped with two normally open (NO) contacts and is specifically designed for star-delta (wye-delta) starting applications on SIRIUS 3RT1 contactors in sizes S6 through S12.

This auxiliary switch is crucial for implementing star-delta motor starting, a method used to reduce starting current and torque in three-phase induction motors. It's commonly applied in systems controlling larger motors in industries such as heavy manufacturing, mining, and large-scale HVAC systems.

Stanlo Automation, a veteran-owned surplus parts distributor, ensures you can find specialized components like the Siemens 3RT1926-2GJ51. We focus on providing reliable surplus parts to keep your industrial automation systems running efficiently.

Technical specifications

Type	Solid-state time-delayed auxiliary switch
Time Range	1.5...30 s
Voltage	24 V AC/DC
Contacts	2 NO
Function	Star-delta (wye-delta)
Mounting	Front-side snap-on
For Contactor Sizes	S6...S12

Common applications

Star-delta motor starting

Industrial motor control

Heavy manufacturing

Mining operations

Large HVAC systems

Pump control

Compatible systems

Siemens 3RT1 contactors (sizes S6 through S12)

Also known as

Siemens 3RT1926-2GJ51 star-delta timer Siemens 24V AC/DC wye-delta switch

Replaces / compatible with

This auxiliary switch is an accessory for Siemens 3RT1 contactors (sizes S6-S12) used in star-delta starting configurations. It provides the necessary timed switching for this motor starting method.

Technical note

Expert tip

The 3RT1926-2GJ51 is essential for properly sequencing the main, star, and delta contactors in a star-delta starter setup, ensuring reduced inrush current.

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Frequently asked questions

What is the primary function of the Siemens 3RT1926-2GJ51 auxiliary switch?

The Siemens 3RT1926-2GJ51 is primarily used for implementing star-delta (wye-delta) motor starting with Siemens 3RT1 contactors. It features a time range of 1.5 to 30 seconds and provides 2 normally open contacts.