Home › Manufacturers › Siemens › 3RT1045-3AK60

Siemens

Siemens 3RT1045-3AK60 Contactor - 80A, 37kW, Spring Terminal

Siemens 3RT1045-3AK60 is a 3-pole AC-3 power contactor with spring terminals.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1045-3AK60

AC-3 80 A

Power 37 kW / 400 V

Coil Voltage 110 V AC (50 Hz) / 120 V AC (60 Hz)

Poles 3

Get a price for 3RT1045-3AK60

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 rating 80A 37kW at 400V Dual AC coil (110/120V) Spring-type terminals Size S3 3-pole configuration

Product description

The Siemens 3RT1045-3AK60 is a 3-pole power contactor from the SIRIUS 3RT1 series, rated for AC-3 duty at 80A and 37kW at 400V. It features a dual-frequency AC coil, operating at 110V AC on 50 Hz or 120V AC on 60 Hz, and uses spring-type terminals for connection. This Size S3 unit is a phased-out product, with the preferred successor being the SIRIUS 3RT2038-3AK60.

This contactor is designed for applications where spring terminals offer advantages for installation or vibration resistance. Its dual-frequency coil provides flexibility for use in different regions or power systems. It's suitable for motor control and other high-power switching tasks in industrial environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers components like the Siemens 3RT1045-3AK60. We help businesses source obsolete and hard-to-find automation parts to maintain their equipment.

Technical specifications

AC-3	80 A
Power	37 kW / 400 V
Coil Voltage	110 V AC (50 Hz) / 120 V AC (60 Hz)
Poles	3
Size	S3
Terminals	Spring-type

Common applications

Industrial automation

Motor control

Control panels

Machinery

Systems with vibration

Compatible systems

Compatible with Siemens SIRIUS 3RT1 accessories and control systems requiring 110V AC (50Hz) or 120V AC (60Hz) coil control with spring terminals.

Also known as

Siemens 3RT1045-AK60 SIRIUS 3RT1 Spring

Replaces / compatible with

This part is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2038-3AK60.

Technical note

Expert tip

Spring-type terminals can be advantageous in high-vibration environments, ensuring secure electrical connections without the need for re-tightening.

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 3RT1045-3AK60 contactor use?

The Siemens 3RT1045-3AK60 power contactor features spring-type terminals, which can offer faster installation and improved vibration resistance compared to screw terminals.