3RA23378XB301AG2

Siemens SIRIUS S2 forward and reverse contactor combination, AC-3 rated current 65A, corresponding to a 30kW motor at 400V, drops to 47A at 690V, coil voltage 110V AC, built-in 2x1NO auxiliary contacts and mechanical and electrical double interlocking device.

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Siemens 3RA2337-8XB30-1AG2 S2 forward and reverse contactor combination

Product Positioning

The 3RA2337-8XB30-1AG2 is a SIRIUS 3RA23 series S2 size forward and reverse contactor combination with a rated current of 65A. It is suitable for forward and reverse control applications of medium-sized three-phase motors of about 30kW in a 400V system.

Core Product Advantages and Features

Applicable current for medium-sized motors

Rated current 65A, corresponding to an operating level of approximately 30kW AC-3 motor at 400V.

High voltage derating design

When used at 690V, the current drops to 47A, which can be extended to higher system voltage applications.

110V AC coil option

The coil is rated at 110V and 50/60Hz, making it easy to connect to an existing 110V control circuit power supply.

700 movements per hour

With a maximum operating frequency of 700 times per hour, it is suitable for frequent forward and reverse switching conditions.

project	Specification
Model (MLFB)	3RA2337-8XB30-1AG2
Product Type	SIRIUS forward and reverse contactor combination
Rated power (AC-3)	30 kW / 400 V
Rated current @ 400/500V	65 A
Rated current @ 690V	47 A
Frame size	S2
coil voltage	110 V AC, 50/60 Hz
Extreme number	3 poles (one set for forward and one set for reverse rotation)
Auxiliary contact	2 x 1 NO (one set in each direction)
Interlocking method	Mechanical interlock + electrical interlock
Maximum operating frequency	700 times/hour
Wiring method	Screw terminals

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3RA23368XB301AN2

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