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Siemens 3RT2016-2FB42 SIRIUS DC Power Contactor with Diode

Siemens 3RT2016-2FB42 SIRIUS DC Power Contactor

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ManufacturerSiemens

Part number3RT2016-2FB42

Poles 3

Rated Current (AC-3) 9A

Rated Power (AC-3) 4kW @ 400V

Coil Voltage 24V DC

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AC-3e/AC-3 Rated 24V DC Coil Integrated Diode for Surge Suppression 1 NC Auxiliary Contact Spring-loaded Terminals Size S00

Product description

The Siemens 3RT2016-2FB42 is a 3-pole power contactor from the SIRIUS 3RT2 series, rated for 9A (AC-3e/AC-3) and 4kW at 400V. It operates on a 24V DC coil and features an integrated diode for surge suppression. This model includes one normally closed (1 NC) auxiliary contact and utilizes spring-loaded terminals for efficient wiring.

This contactor is designed for reliable motor control and automation applications where protection against voltage spikes is essential. The integrated diode ensures robust performance and protects connected control circuits.

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Technical specifications

Poles	3
Rated Current (AC-3)	9A
Rated Power (AC-3)	4kW @ 400V
Coil Voltage	24V DC
Auxiliary Contacts	1 NC
Terminal Type	Spring-loaded
Size	S00

Common applications

Motor Control

Industrial Automation

Control Circuits

Signaling

Automation Systems

Compatible systems

Compatible with Siemens overload relays and system modules in the SIRIUS line.

Also known as

Siemens 3RT2016-2FB42 SIRIUS 3RT2 Contactor 9A DC Contactor 4kW DC Contactor

Replaces / compatible with

This contactor is part of the Siemens SIRIUS modular system and offers compatibility with other SIRIUS components.

Technical note

Expert tip

The integrated diode provides coil protection, making it suitable for applications with sensitive control electronics.

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Frequently asked questions

What is the purpose of the integrated diode in the Siemens 3RT2016-2FB42?

The integrated diode in the Siemens 3RT2016-2FB42 protects the control circuit from voltage spikes caused by inductive loads when the coil is de-energized. This contributes to the longevity of the contactor and connected equipment.