3RT20353XF440LA2

The Siemens 3RT2035-3XF44-0LA2 is a contactor from the SIRIUS 3RT2 series for railway/track use. It is rated AC-3, 40A, 18.5kW (400V), with a control voltage of 110VDC. It features 2NO+2NC auxiliary contacts, spring-loaded terminals, and complies with RoHS regulations.

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Siemens 3RT2035-3XF44-0LA2 Rail Contactor 110VDC 2NO2NC

Product Positioning

The Siemens 3RT2035-3XF44-0LA2 is a contactor in the SIRIUS 3RT2 series specifically designed for railway/rail vehicle applications. It has an AC-3 rated current of 40A and a power output of 18.5kW (400V). The Siemens 3RT2035-3XF44-0LA2 operates on 110VDC and features a built-in surge absorber (varistor). It is equipped with 2NO+2NC auxiliary contacts, uses spring-loaded terminal connections, and complies with RoHS regulations.

Core Product Advantages and Features

Railway/track dedicated design

It belongs to the SIRIUS 3RT2 series Bahnschütz type contactor and is suitable for railway vehicle control circuits.

AC-3 rated at 40A, 18.5kW

The main circuit is rated for 400V and features a 3-pole design, capable of withstanding frequent start-stop loads.

110VDC control circuit

Built-in surge absorber (varistor) protects the control circuitry from switching surges.

2NO+2NC auxiliary contacts

Spring-loaded terminal connections provide a complete feedback signal combination and comply with RoHS environmental regulations.

project	Specification
Rated current (AC-3)	40 A
Rated power	18.5 kW / 400V
Extreme number	3 poles
Control voltage	110VDC (built-in surge absorber)
Auxiliary contact	2NO+2NC
Terminal type	Spring-type terminals
Applicable series/sizes	SIRIUS 3RT2, Size S2
Product Type	Railway/track contactors (Bahnschütz)
weight	Approximately 1.2kg
Environmental certification	RoHS compliant

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