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Siemens 3RT2016-1BB44-3MA0 3-Pole DC Power Contactor

Siemens 3RT2016-1BB44-3MA0 3-pole power contactor with 24V DC coil.

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ManufacturerSiemens

Part number3RT2016-1BB44-3MA0

Poles 3

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

Coil Voltage 24V DC

Auxiliary Contacts 2 NO + 2 NC

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3-pole configuration AC-3e/AC-3 duty rating 24V DC coil 2 NO + 2 NC auxiliary contacts Size S00 Captive auxiliary switch

Product description

The Siemens 3RT2016-1BB44-3MA0 is a 3-pole power contactor designed for AC-3e/AC-3 applications, capable of switching 9A at 4kW and 400V. It features a 24V DC coil and a captive auxiliary switch block providing 2 normally open (NO) and 2 normally closed (NC) contacts. This size S00 contactor uses screw terminals for connection.

This contactor is ideal for control systems requiring DC actuation, commonly found in automated manufacturing processes, material handling equipment, and electrical control cabinets. The additional auxiliary contacts allow for more complex control logic and signaling.

As a veteran-owned surplus parts distributor, Stanlo Automation is proud to offer the Siemens 3RT2016-1BB44-3MA0. We provide reliable, tested industrial automation components to help you maintain your operations efficiently and cost-effectively.

Technical specifications

Poles	3
AC-3e/AC-3 Rating	9A, 4kW @ 400V
Coil Voltage	24V DC
Auxiliary Contacts	2 NO + 2 NC
Terminal Type	Screw
Size	S00
Auxiliary Switch	Captive

Common applications

DC control circuits

Industrial automation

Material handling

Control panels

Automation systems

Motor starting

Compatible systems

Siemens SIRIUS 3RT2 series

Also known as

Siemens 3RT2016-1BB44-3MA0 Contactor SIRIUS 3RT20 DC Contactor

Replaces / compatible with

Compatible with Siemens SIRIUS 3RT2 series accessories.

Technical note

Expert tip

The integrated 2 NO + 2 NC auxiliary contacts in the Siemens 3RT2016-1BB44-3MA0 are suitable for standard control and signaling tasks without the need for additional auxiliary contact blocks.

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Frequently asked questions

What is the function of the captive auxiliary switch on the Siemens 3RT2016-1BB44-3MA0?

The captive auxiliary switch on the Siemens 3RT2016-1BB44-3MA0 provides 2 NO and 2 NC contacts, which are permanently attached to the contactor. These are used for control circuits, interlocks, and status feedback within automation systems.