Home › Manufacturers › Siemens › 3RT1035-1A

Siemens

Siemens 3RT1035-1A SIRIUS Power Contactor — 40A, 18.5kW

Siemens 3RT1035-1A SIRIUS 3-pole power contactor.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1035-1A

AC-3 Rating 40 A

Power 18.5 kW / 400 V

Coil Voltage 24 V AC (50/60 Hz)

Poles 3

Get a price for 3RT1035-1A

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-3 Rated 40A 18.5kW @ 400V 24V AC Coil Size S2 Contactor Screw Terminals 3-Pole

Product description

The Siemens 3RT1035-1A is a 3-pole power contactor from the SIRIUS 3RT1 series, rated for AC-3 applications with a current of 40A and a power rating of 18.5kW at 400V. This specific model features a 24V AC coil and uses screw terminals for electrical connections. It is a Size S2 contactor, designed for robust industrial use.

This contactor is widely used in motor control applications, industrial automation, and power distribution systems. Its 40A rating makes it suitable for medium to heavy-duty loads in various sectors, including manufacturing plants, HVAC systems, and water treatment facilities.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3RT1035-1A. We provide a reliable source for high-quality components to support your maintenance, repair, and operational needs.

Technical specifications

AC-3 Rating	40 A
Power	18.5 kW / 400 V
Coil Voltage	24 V AC (50/60 Hz)
Poles	3
Size	S2
Terminals	Screw
Series	SIRIUS 3RT1

Common applications

Motor Control

Industrial Automation

Power Distribution

HVAC Systems

Manufacturing

Compatible systems

Compatible with SIRIUS 3RT2 accessories Suitable for general motor control

Also known as

Siemens 3RT1035-1A Contactor SIRIUS 3RT1 40A Contactor Siemens 24V AC Contactor

Replaces / compatible with

This part is part of the SIRIUS 3RT1 series. Successors in the SIRIUS 3RT2 series offer updated features and functionalities.

Technical note

Expert tip

The 24V AC coil on the 3RT1035-1A is a common voltage for control circuits, ensuring broad compatibility.

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 is the power rating for the Siemens 3RT1035-1A contactor?

The Siemens 3RT1035-1A power contactor is rated for 18.5 kW at 400V in AC-3 applications. This makes it suitable for controlling significant motor loads.