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Siemens 3RT2015-1BB42-0CC0 Comm-Capable Contactor, 1 NC

Siemens communication-capable power contactor with 1 NC auxiliary contact.

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ManufacturerSiemens

Part number3RT2015-1BB42-0CC0

Type Power Contactor

Series SIRIUS 3RT2

Poles 3

Rated Operational Current AC-3e/AC-3 7 A

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Communication-capable AC-3e/AC-3 rating 3-pole 24V DC coil 1 NC auxiliary contact Size S00

Product description

The Siemens 3RT2015-1BB42-0CC0 is a communication-capable 3-pole power contactor for AC-3e/AC-3 applications, rated at 7A and 3kW (400V). It features a 24V DC coil and includes one normally closed (NC) auxiliary contact. This size S00 contactor uses screw terminals and supports integration into networked automation systems.

This unit is designed for intelligent control systems, enabling remote diagnostics and control in advanced industrial environments. Its communication capability makes it suitable for Industry 4.0 applications, smart factories, and complex process control setups.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3RT2015-1BB42-0CC0. We are committed to providing surplus industrial automation parts, ensuring you receive reliable and efficient components for your critical operations.

Technical specifications

Type	Power Contactor
Series	SIRIUS 3RT2
Poles	3
Rated Operational Current AC-3e/AC-3	7 A
Rated Operational Power AC-3e/AC-3	3 kW @ 400 V
Coil Voltage	24 V DC
Auxiliary Contacts	1 NC
Terminal Type	Screw Terminal
Size	S00
Communication Capability	Yes

Common applications

Smart factories

Process automation

Networked control

Industrial IoT

Motor control

Remote monitoring

Compatible systems

Requires compatible Siemens communication modules for network integration; suitable for various PLC and control system architectures.

Also known as

Siemens 3RT20151BB420CC0 SIRIUS 3RT2 NC Communication Contactor 7A NC Comm Contactor 24V DC Networked Contactor NC

Replaces / compatible with

This communication-capable contactor with an NC auxiliary contact replaces similar Siemens SIRIUS 3RT2 series contactors where network integration and a normally closed auxiliary contact are required. It's ideal for upgrading systems to modern control architectures.

Technical note

Expert tip

When integrating the 3RT2015-1BB42-0CC0 into a networked system, ensure compatibility with the chosen communication gateway and that the NC auxiliary contact is correctly wired for its intended control or safety function.

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Frequently asked questions

What is the function of the 1 NC auxiliary contact on the Siemens 3RT2015-1BB42-0CC0?

The 1 NC (Normally Closed) auxiliary contact on the Siemens 3RT2015-1BB42-0CC0 is used for signaling or interlock purposes. It remains closed when the contactor is de-energized and opens when the contactor is energized, providing a feedback signal for control systems.