Home › Manufacturers › Siemens › 3RT2028-1AL20

Siemens

Siemens 3RT2028-1AL20 3-Pole Contactor — 38A 18.5kW 230V

Siemens 3RT2028-1AL20 3-Pole Power Contactor

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT2028-1AL20

Type Power Contactor

AC-3e/AC-3 Rating 38A, 18.5kW @ 400V

Poles 3

Coil Voltage 230V AC

Get a price for 3RT2028-1AL20

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

38A current rating 18.5kW power handling 230V AC coil Supports 50/60 Hz Screw terminals 1 NO + 1 NC auxiliary contacts

Product description

The Siemens 3RT2028-1AL20 is a 3-pole power contactor built for AC-3e/AC-3 duty, rated to switch 38A and 18.5kW at 400V. This size S0 contactor features a 230V AC coil and operates at both 50 Hz and 60 Hz. It is equipped with screw terminals for secure electrical connections and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.

This contactor is a standard choice for motor control applications, power distribution, and general industrial switching tasks. Its reliable 230V AC coil and 38A rating make it suitable for a wide range of equipment and control panels.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3RT2028-1AL20. We provide cost-effective solutions and prompt delivery to ensure your automation needs are met efficiently.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	38A, 18.5kW @ 400V
Poles	3
Coil Voltage	230V AC
Frequency	50/60 Hz
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw
Size	S0

Common applications

Motor Control

Power Distribution

Industrial Control Panels

Machine Automation

HVAC Systems

Compatible systems

Designed for integration with Siemens SIRIUS motor starters, overload relays, and control systems within the S0 size framework.

Also known as

Siemens 3RT2028 Contactor SIRIUS 3RT2028 3RT2028-1A 38A Siemens Contactor

Replaces / compatible with

This contactor is a direct replacement for Siemens 3RT2028 models with 230V AC coils. It is compatible with Siemens SIRIUS accessories and related control components.

Technical note

Expert tip

The screw terminals are suitable for connecting conductors up to 10 mm², ensuring a robust and reliable electrical connection in industrial environments.

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 are the coil voltage and auxiliary contact configuration for the Siemens 3RT2028-1AL20?

The Siemens 3RT2028-1AL20 features a 230V AC coil that operates at both 50 Hz and 60 Hz. It is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.