3RT2035-3KB40
The Siemens 3RT2035-3KB40 standard contactor, part of the SIRIUS 3RT2 series, is a size S2, 3-pole contactor with an AC-3 rated capacity of 40A and 18.5kW (400V). It has a control voltage of 24VDC and is equipped with 1NO+1NC auxiliary contacts, making it suitable for direct drive applications with PLC outputs.
Product Positioning
The Siemens 3RT2035-3KB40 is a standard contactor in the SIRIUS 3RT2 series, size S2, with a 3-pole design and an AC-3 rated current of 40A, 18.5kW (400V). The Siemens 3RT2035-3KB40 uses a 24VDC coil and has a built-in surge absorber. It can be directly driven by a PLC output and is equipped with 1NO+1NC auxiliary contacts, using spring-loaded terminal connections.
Core Product Advantages and Features
Size S2 standard contactor
AC-3 rated current 40A, 18.5kW (400V), 3-pole main circuit design.
24VDC coil direct drive
It has a built-in surge absorber and can be directly driven by the PLC digital output without the need for a relay circuit.
Spring-loaded terminal connection
With 1 NO + 1 NC auxiliary contact, it allows for quick plug-in installation and is suitable for batch control panel wiring.
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