3RA23358XE301NB3

The SIRIUS S2 type forward and reverse contactor combination has a rated current of 41A, corresponding to an AC-3 motor of approximately 18.5kW at 400V. The coil can accept a wide voltage range of 20-33V AC/DC, and includes mechanical and electrical interlocking and a 2x1NO integrated auxiliary contact design.

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Siemens 3RA2335-8XE30-1NB3 S2 forward and reverse contactor combination

Product Positioning

The 3RA2335-8XE30-1NB3 is a SIRIUS 3RA23 series S2 size forward and reverse contactor combination with a rated current of 41A. It is suitable for forward and reverse control of small and medium-sized three-phase motors of about 18.5kW in a 400V system.

Core Product Advantages and Features

18.5kW Applicable Level

The rated current is 41A, which corresponds to the operating requirements of an AC-3 motor of approximately 18.5kW at 400V.

Wide-range coil design

20-33V AC/DC wide-range coil, which can be directly driven by PLC output or DC power supply.

Integrating auxiliary contacts

It has 2x1NO auxiliary contacts built in, which facilitates the feedback of forward and reverse operation status signals.

Electromechanical interlock protection

Mechanical interlocking combined with electrical interlocking prevents short circuits caused by simultaneous conduction of forward and reverse circuits.

project	Specification
Model (MLFB)	3RA2335-8XE30-1NB3
Product Type	SIRIUS forward and reverse contactor combination
Rated power (AC-3)	18.5 kW / 400 V
Rated current (AC-3)	41 A
Frame size	S2
coil voltage	20-33 V AC/DC, 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
Wiring method	Screw terminals
Installation method	35mm DIN rail

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