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Siemens 3RT2016-1BG42 3-Pole DC Power Contactor

Siemens 3RT2016-1BG42 3-pole power contactor with 125V DC coil.

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ManufacturerSiemens

Part number3RT2016-1BG42

Poles 3

AC-3e/AC-3 Rating 9A, 4kW @ 400V

Coil Voltage 125V DC

Auxiliary Contacts 1 NC

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3-pole configuration AC-3e/AC-3 duty rating 125V DC coil 1 NC auxiliary contact Size S00 Screw terminals

Product description

The Siemens 3RT2016-1BG42 is a 3-pole power contactor designed for AC-3e/AC-3 loads up to 9A and 4kW at 400V. This model is characterized by its 125V DC coil and is equipped with one normally closed (NC) auxiliary contact. It utilizes screw terminals and is manufactured in size S00.

This high-voltage DC contactor is suitable for demanding industrial applications that operate with a 125V DC control system. It is commonly found in power generation, large-scale manufacturing, and complex automated systems requiring robust switching capabilities.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2016-1BG42, providing reliable and cost-effective solutions for your industrial automation needs. We are committed to delivering high-quality surplus components that ensure your operations run smoothly.

Technical specifications

Poles	3
AC-3e/AC-3 Rating	9A, 4kW @ 400V
Coil Voltage	125V DC
Auxiliary Contacts	1 NC
Terminal Type	Screw
Size	S00

Common applications

High-voltage DC control

Industrial plants

Power generation

Automation systems

Control panels

Heavy machinery

Compatible systems

Siemens SIRIUS 3RT2 series

Also known as

Siemens 3RT2016-1BG42 Contactor SIRIUS 3RT20 DC Contactor

Replaces / compatible with

Compatible with Siemens SIRIUS 3RT2 series accessories.

Technical note

Expert tip

When installing the Siemens 3RT2016-1BG42, ensure that the control circuit voltage precisely matches the 125V DC coil rating to avoid operational issues.

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Frequently asked questions

What is the purpose of the 1 NC auxiliary contact on the Siemens 3RT2016-1BG42?

The 1 NC (normally closed) auxiliary contact on the Siemens 3RT2016-1BG42 is used in control circuits for signaling, interlocking, or fault detection. It closes when the contactor is de-energized and opens when the contactor is energized.