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.

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Siemens 3RT2016-1VB41 Screw-wiring contactor, 24V DC coil, normally open auxiliary contact.

Product Positioning

The 3RT2016-1VB41 shares the same 24V DC coupled coil design as its sibling, the 1VB42, with an operating voltage range of 0.85 to 1.85 times the rated value. It also features a built-in rectifier suppressor diode to protect the drive circuit. The difference lies in the fact that this product is equipped with one normally open (NO) auxiliary contact, suitable for use as a running indicator or start-up interlock signal source. The main circuit specifications are 3-pole AC-3 rated 9A, 4kW/400V, with a frame size of S00 and traditional screw-type terminals. Since the coil, suppressor diode, and auxiliary contacts are integrated into a single module, this model no longer supports additional auxiliary contact expansion modules. It is suitable for direct drive with DC control circuits using PLC or relay outputs, and is commonly found in machine control boxes and automated production line equipment.

Core Product Advantages and Features

24V DC wide range coil

With an operating voltage range of 0.85 to 1.85 times the rated value, it can withstand DC power supply voltage fluctuations, improving the compatibility of field wiring and power supply conditions.

Built-in suppression diode

The coil integrates a diode design, which can absorb the induced surge during power failure and extend the service life of PLC output contacts or drive circuits.

1 set of normally open auxiliary contacts

It comes standard with 1 NO auxiliary contact, which is suitable as a signal source for operation status indication, start interlock or timing circuit.

Screw-type terminal blocks

Both the main circuit and the control circuit use screw terminals, which provide stable locking and facilitate on-site inspection and regular maintenance.

project	Specification
model	3RT2016-1VB41
series	Siemens SIRIUS 3RT2 series (coupled type)
Extreme number	3 poles
Frame size	S00
AC-3 Rated Current/Power	9A / 4kW (400V)
Control coil voltage	24V DC
Coil operating voltage range	0.85~1.85×Uc
Coil Additional Functions	Built-in rectifier suppression diode
Auxiliary contact	One set is normally open (NO), and expansion modules cannot be installed.
Terminal block type	screw type
External dimensions	Approximately 50×61.5×77.5mm
country of origin	Germany

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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.

3RT2016-1SB42

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3RT2016-1KB42

The Siemens SIRIUS 3RT2016-1KB42 is a 24V DC coupled contactor with an operating range of 0.7 to 1.25 times the rated voltage. It has a built-in suppressed diode and is suitable for PLC output. It comes with one set of normally closed auxiliary contacts, screw terminals, and AC-3 rated 9A/4kW/400V.