Home › Manufacturers › Siemens › 3RT1055-1AB36

Siemens

Siemens 3RT1055-1AB36 3-Pole Power Contactor - 150A, 23-26V Coil

Siemens 3RT1055-1AB36 3-pole power contactor, 150A, with 23-26V AC/DC coil.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1055-1AB36

Type Power Contactor

Manufacturer Siemens

Part Number 3RT1055-1AB36

Poles 3

Get a price for 3RT1055-1AB36

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

AC-3e/AC-3 rating High current capacity (150A) 75kW power rating at 400V 23-26V AC/DC coil Conventional drive 2 NO + 2 NC auxiliary contacts Box terminals for main circuit

Product description

The Siemens 3RT1055-1AB36 is a high-capacity 3-pole power contactor designed for AC-3e/AC-3 applications, rated for 150A and 75kW at 400V. This model features a 23-26V AC/DC coil and a conventional drive. It utilizes box terminals for the main circuit and screw terminals for the control and auxiliary circuits, which include 2 NO and 2 NC auxiliary contacts.

This contactor is suitable for heavy-duty industrial applications, including the control of large motors, main power switching, and power distribution in demanding environments. Its robust construction and high current rating make it a reliable choice for critical applications.

Stanlo Automation, a veteran-owned surplus industrial parts supplier, offers the Siemens 3RT1055-1AB36. We provide dependable access to essential automation components, ensuring your operational continuity.

Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Part Number	3RT1055-1AB36
Poles	3
AC-3e/AC-3 Rating	150 A
Power Rating (400V)	75 kW
Coil Voltage	23-26V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Drive Type	Conventional
Main Circuit Terminals	Box Terminal
Control Circuit Terminals	Screw

Common applications

Large Motor Control

Power Distribution

Industrial Machinery

Manufacturing Automation

Heavy Duty Switching

Compatible systems

Compatible with Siemens control systems and accessories designed for the SIRIUS 3RT series.

Also known as

Siemens 150A Contactor SIRIUS 3RT1055 Siemens Power Contactor 3RT1055-1

Replaces / compatible with

Suitable for replacing older Siemens SIRIUS 3RT series contactors or other brands with similar high-current specifications.

Technical note

Expert tip

Ensure the correct torque is applied to the box terminals to maintain a reliable connection for the high current rating.

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 terminals does the Siemens 3RT1055-1AB36 use for its main circuit?

The Siemens 3RT1055-1AB36 features box terminals for its main power circuit connections, which are designed to securely accommodate larger conductors for high-current applications. The control and auxiliary circuits use standard screw terminals.