3RA13348XB301BB4

The Siemens SIRIUS 3RA13 series S2 size forward and reverse combination starter, with a rated power of 15kW, is equipped with a 24VDC coil and consists of a dual contactor mechanical interlock. It is suitable for forward and reverse control applications of medium and high power three-phase motors.

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The 3RA1334-8XB30-1BB4 is a Siemens SIRIUS 3RA13 series S2 size forward and reverse combination starter, with an AC-3 rated power of 15kW. It adopts 24VDC coil drive and is suitable for automatic control of forward and reverse rotation of medium and high power three-phase motors.

Core Product Advantages and Features
S2 size high power corresponding
It adopts an S2-type contactor combination with a rated power of 15kW, which is suitable for medium and large motor loads.
24VDC coil drive
Equipped with a 24V DC coil, it is suitable for direct drive by a PLC or DC control power supply.
Mechanical and electrical double interlock
The two sets of contactors, one for forward and one for reverse rotation, are interlocked to avoid the risk of phase-to-phase short circuits in the main circuit.
Suitable for purchasing replacement spare parts
It can be used as an original equipment manufacturer (OEM) spare part for existing 3RA13 S2 series equipment to maintain production line operation.
project Specification
Model (MLFB) 3RA1334-8XB30-1BB4
Product Type Forward and reverse combination starter (including mechanical/electrical interlock)
Rated power (AC-3, 400V) 15 kW
Coil rated voltage 24 V DC
Pole number/contact configuration 3 pole main contact
External dimensions (Siemens specifications) S2
Interlocking type Mechanical interlock + Electrical interlock
Product Series Siemens SIRIUS 3RA13 (Older Generation)
Applications Three-phase asynchronous motor forward/reverse switching control
Original factory product condition Production has ceased; the 3RA23 series has taken over.
Recommended alternative series Siemens SIRIUS 3RA23 Forward/Reverse Combination Contactor