Home › Manufacturers › Siemens › 3RT1056-1AB36

Siemens

Siemens 3RT1056-1AB36 Contactor - 185A, 90kW, Screw Terminals

Siemens 3RT1056-1AB36 3-pole power contactor.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1056-1AB36

AC-3e/AC-3 rating 185 A

Power 90 kW @ 400 V AC

Coil Voltage 23-26 V

Poles 3

Get a price for 3RT1056-1AB36

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

185A switching capacity 90kW power rating Conventional drive Screw terminals for control circuits Box terminals for main circuit 2 NO + 2 NC auxiliary contacts

Product description

The Siemens 3RT1056-1AB36 is a 3-pole power contactor rated for AC-3e/AC-3 duty, capable of switching 185A and 90kW at 400V AC. This model features a conventional drive and is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit utilizes box terminals for robust connections, while the control and auxiliary circuits employ screw terminals for ease of wiring.

This contactor is well-suited for demanding industrial applications such as controlling large motors, power switching in distribution panels, and as a key component in automated machinery across various industries including manufacturing, mining, and heavy construction.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the Siemens 3RT1056-1AB36. We understand the importance of reliable components and provide quality surplus parts with efficient shipping to minimize your operational downtime.

Technical specifications

AC-3e/AC-3 rating	185 A
Power	90 kW @ 400 V AC
Coil Voltage	23-26 V
Poles	3
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Terminals	Box terminal
Control Circuit Terminals	Screw terminal
Drive Type	Conventional

Common applications

Heavy motor control

Industrial power distribution

Machine automation

Control panels

Plant equipment

Switchgear

Compatible systems

Industrial control panels Motor control applications Systems requiring 185A switching capacity

Also known as

Siemens SIRIUS 3RT1056-1AB36 3RT1056-1AB36 Contactor Siemens 185A screw terminal contactor

Replaces / compatible with

This contactor is part of the Siemens 3RT10 series. If replacing an older model, always confirm the coil voltage and terminal type match your existing setup.

Technical note

Expert tip

The box terminals on the main circuit require appropriate crimped lugs for secure and reliable connections, especially under high current loads.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What type of coil voltage does the Siemens 3RT1056-1AB36 use?

The Siemens 3RT1056-1AB36 has a coil voltage range of 23-26 V for its conventional drive. It is crucial to supply the correct voltage to ensure proper operation and prevent damage to the contactor coil.