3RA23368XE301NB3

The SIRIUS S2 type forward and reverse contactor combination has a rated current of 51A, corresponding to an approximately 22kW AC-3 motor at 400V, which drops to 24A at 690V. The coil can accept a wide voltage range of 20-33V AC/DC, making it easy to use with PLCs or DC control power supplies.

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Siemens 3RA2336-8XE30-1NB3 S2 forward and reverse contactor combination

Product Positioning

The 3RA2336-8XE30-1NB3 is a SIRIUS 3RA23 series S2 size forward and reverse contactor combination. The coil adopts a wide range design of 20-33V AC/DC, which is suitable for medium-sized motor forward and reverse control circuits to be directly matched with low-voltage control power supplies.

Core Product Advantages and Features

22kW medium-sized motor class

The rated current is 51A, which corresponds to the forward and reverse rotation requirements of an AC-3 motor of about 22kW at 400V.

Wide-range coil compatibility

With a wide coil voltage range of 20-33V AC/DC, it can be directly driven by PLC or DC power supply.

690V derating current 24A

When used in a 690V system, the rated current drops to 24A, expanding the application voltage range.

Electromechanical double interlock

By combining mechanical interlocking and electrical interlocking circuits, the safety of forward and reverse switching is improved.

project	Specification
Model (MLFB)	3RA2336-8XE30-1NB3
Product Type	SIRIUS forward and reverse contactor combination
Rated power (AC-3)	22 kW / 400 V
Rated current @ 400/500V	51 A
Rated current @ 690V	24 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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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.

3RA23368XB301AN2

The Siemens SIRIUS S2 forward and reverse contactor combination has a rated current of 51A, corresponding to a three-phase motor of approximately 22kW at 400V, which drops to 24A at 690V. The coil voltage is 220V AC, 50/60Hz, suitable for direct use in existing 220V control circuits without wiring modifications.

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.