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Siemens 3RT1056-6NP36 SIRIUS 185A 3-Pole Contactor w/ PLC Input

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ManufacturerSiemens

Part number3RT1056-6NP36

Part Number 3RT1056-6NP36

Manufacturer Siemens

Series SIRIUS 3RT

Poles 3

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185A AC-3/AC-3e rating 90 kW @ 400V 200-277V AC/DC coil Integrated 24V DC PLC input 3-pole configuration 2 NO + 2 NC auxiliary contacts

Product description

The Siemens 3RT1056-6NP36 is a 3-pole SIRIUS power contactor designed for AC-3e/AC-3 applications, rated at 185A and 90kW at 400V. It features an electronic drive with a versatile coil voltage range of 200-277V AC/DC, and importantly, includes a 24V DC PLC input for direct integration with automation systems. It is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.

This contactor is ideal for integration into modern automated systems, including those using Programmable Logic Controllers (PLCs). Applications span across various industries such as manufacturing, material handling, and building automation where precise, PLC-controlled motor switching is required.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1056-6NP36. We ensure quality and reliability, providing cost-effective solutions for your industrial automation needs with prompt delivery.

Technical specifications

Part Number	3RT1056-6NP36
Manufacturer	Siemens
Series	SIRIUS 3RT
Poles	3
Current Rating	185A (AC-3)
Power Rating	90 kW @ 400V
Coil Voltage	200-277V AC/DC
PLC Input	24V DC
Auxiliary Contacts	2 NO + 2 NC
Connection	Busbar (main), Screw (control/auxiliary)
Drive Type	Electronic

Common applications

PLC controlled motor switching

Manufacturing automation

Material handling

Building automation

Industrial control panels

Compatible systems

Compatible with PLCs and automation systems that utilize a 24V DC control signal. Works with other Siemens SIRIUS components.

Also known as

Siemens SIRIUS Contactor 3RT1056 Contactor PLC Input Contactor 200-277V Contactor

Replaces / compatible with

This contactor is part of the Siemens SIRIUS 3RT series and is designed to replace or be interchangeable with other contactors within this series that share similar specifications.

Technical note

Expert tip

The electronic drive and integrated PLC input on the 3RT1056-6NP36 offer advanced control capabilities, making it suitable for sophisticated automation systems requiring precise switching.

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Frequently asked questions

How does the Siemens 3RT1056-6NP36 facilitate PLC integration?

The Siemens 3RT1056-6NP36 features a dedicated 24V DC PLC input, allowing for direct and simplified integration with programmable logic controllers, streamlining control logic and wiring.