Home › Manufacturers › Siemens › 3RT1054-3AF36

Siemens

Siemens 3RT1054-3AF36 115A Power Contactor

Siemens 3RT1054-3AF36 115A 3-pole power contactor with spring terminals.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1054-3AF36

Type Power Contactor

Poles 3-pole

AC-3e/AC-3 Rating 115 A

Power Rating 55 kW / 400 V

Get a price for 3RT1054-3AF36

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

115A current rating 55kW power handling 110-127V AC/DC coil 3-pole configuration 2 NO + 2 NC auxiliary contacts Spring-loaded terminals

Product description

The Siemens 3RT1054-3AF36 is a 3-pole power contactor suitable for AC-3e/AC-3 switching duties, rated at 115 Amps and 55 kW (400 V). It features a versatile coil voltage of 110-127V AC/DC (Uc) and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. A key feature is its spring-loaded terminals for both the main and auxiliary circuits, offering enhanced vibration resistance and tool-free connections.

This contactor is designed for use in demanding industrial environments, including motor control centers, automated machinery, and power distribution panels, particularly where vibration or quick connections are critical.

Stanlo Automation, a veteran-owned surplus parts distributor, is your go-to source for reliable industrial automation components. We offer competitive pricing and fast shipping on parts like the Siemens 3RT1054-3AF36, helping you maintain operational efficiency and minimize costly downtime.

Technical specifications

Type	Power Contactor
Poles	3-pole
AC-3e/AC-3 Rating	115 A
Power Rating	55 kW / 400 V
Coil Voltage	110-127 V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Terminals	Spring-loaded terminal
Control Circuit Terminals	Spring-loaded terminal
Series	SIRIUS 3RT1

Common applications

Motor control

Power switching

Industrial automation

Vibration-prone environments

Machine control

Electrical panels

Compatible systems

Compatible with Siemens SIRIUS 3RT overload relays and other accessories designed for this series.

Also known as

SIRIUS 3RT1054-3AF36 Siemens 115A Spring Terminal Contactor

Replaces / compatible with

Ideal for replacing Siemens SIRIUS 3RT1 series contactors where spring-loaded terminals are preferred for easier and more secure connections.

Technical note

Expert tip

Spring-loaded terminals are particularly beneficial in applications subject to significant vibration, reducing the risk of loose connections.

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 3RT1054-3AF36 feature?

The Siemens 3RT1054-3AF36 power contactor is equipped with spring-loaded terminals for both the main and auxiliary circuits. This design ensures a reliable, vibration-resistant connection and facilitates faster installation.