3RA24258XF321AN2

Like the 3RA2425 series, it belongs to the S0 size star-delta contactor combination. The main circuit can carry AC-3 starting current of 15 to 18.5kW/400V motors. The housing size and contact configuration are in line with the standard specifications of the same family.

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Siemens SIRIUS 3RA2425-8XF32-1AN2 Star-Delta Contactor Combination

Product Positioning

The 3RA2425-8XF32-1AN2 is a member of the SIRIUS 3RA24 series S0 size star-delta contactor combination family. Its main circuit carrying capacity is compatible with 15 to 18.5kW/400V motors and it is suitable for AC-3 reduced voltage starting applications.

Core Product Advantages and Features

Consistent main specifications within the same family

The main circuit carrying capacity is the same as that of the S0 series products with a rating of 15/18.5kW/400V.

Compact S0 form factor

It shares the same housing and mounting dimensions as other coil voltage versions in the same series.

Complete auxiliary contact configuration

It has normally open and normally closed auxiliary contacts, which facilitates the interlocking design of the control circuit.

Standard rail installation

It can be screwed or clipped onto a 35mm standard guide rail, offering flexible installation options.

project	Specification
Product Type	Star-delta (Y-Δ) contactor combination
Applicable motor power	15/18.5 kW / 400 V (AC-3, same series specifications)
Contactor size	S0
Extreme number	3 poles, 3 normally open + 3 normally closed
Terminal type	Screw terminals
External dimensions	Approximately 101 x 135 x 181 mm (same series size)
Product Series	SIRIUS 3RA24 Star-Delta Contactor Combination
Protection level	IP20 (same series specifications)
Installation method	Screw fixing or 35mm standard guide rail clips (same series specifications)
Interlocking method	Electrical interlock + Mechanical interlock (same series specifications)

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