3RT2016-2AB01

The Siemens SIRIUS 3RT2016-2AB01 is a 3-pole contactor with an S00 frame. It features a 24V AC coil with one set of normally open (NO) auxiliary contacts, a spring-loaded terminal design, and an AC-3 rated capacity of 9A/4kW/400V. The product weighs approximately 0.253kg and is suitable for low-voltage control panels.

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Siemens 3RT2016-2AB01 Spring-loaded Contactor, 24V AC Coil, Normally Open Auxiliary Contact

Product Positioning

The 3RT2016-2AB01 is the 24V AC coil version of the Siemens SIRIUS 3RT2016 series. Like the -2AB02, it belongs to the low-voltage control coil family, but differs in that it has a built-in normally open (NO) auxiliary contact, suitable for use as a source of operation indication, timing start, or interlock start signal. The main circuit maintains the standard performance of a 3-pole AC-3 rated 9A, 4kW/400V. The frame size is S00, approximately 50×73.5×77.5mm, with a net weight of 0.253 kg, making it compact and easy to install in existing control boxes with available space. Spring-loaded terminals allow field wiring personnel to quickly crimp wires without the need for screwdrivers, making it particularly suitable for mass production of control panels or applications requiring frequent replacement of spare parts.

Core Product Advantages and Features

24V AC coil with 1NO

The 24V AC low-voltage control coil has a built-in set of normally open auxiliary contacts, which are suitable for use as an operation indicator circuit or to provide start interlock signals.

Compact size and easy layout

With external dimensions of approximately 50×73.5×77.5mm and a net weight of only 0.253kg, it is easy to install in existing control boxes or machines with limited internal space.

Spring-type terminal quick installation

Both the main circuit and the auxiliary circuit use spring-clamped terminals, which can complete the wiring without screws, improving assembly efficiency and reducing the risk of loosening.

AC-3 standard rated performance

The AC-3 has a rated current of 9A and a power of 4kW/400V, which meets the common selection requirements for direct start control of general three-phase asynchronous motors.

project	Specification
model	3RT2016-2AB01
series	Siemens SIRIUS 3RT2 series
Extreme number	3 poles
Frame size	S00
AC-3 Rated Current/Power	9A / 4kW (400V)
Control coil voltage	24V AC, 50/60Hz
Auxiliary contact	Group 1, normally open (NO)
Terminal block type	Spring-loaded (push-in) type
External dimensions	Approximately 50×73.5×77.5mm
net weight	Approximately 0.253 kg
country of origin	Germany
Product Family	SIRIUS 3RT2 Electromagnetic Contactor

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3RT2016-1VB42

The Siemens SIRIUS 3RT2016-1VB42 uses a 24V DC coil, operates within a range of 0.85 to 1.85 times the rated voltage, has a built-in rectifier diode and one set of normally closed auxiliary contacts, screw-type terminals, and is rated for AC-3 9A/4kW/400V, making it suitable for DC control circuits.

3RT2016-1VB41

The Siemens SIRIUS 3RT2016-1VB41 uses a 24V DC coil, operates from 0.85 to 1.85 times the rated voltage, and has a built-in suppression diode. It is equipped with one set of normally open auxiliary contacts and screw terminals, AC-3 rated 9A/4kW/400V, S00 frame.