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Siemens 3RT2028-1AK60 Contactor — 38A 18.5kW 110/120V

Siemens 3RT2028-1AK60 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT2028-1AK60

Type Power Contactor

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

Poles 3

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

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38A current rating 18.5kW power handling Dual voltage coil (110/120V AC) 3-pole configuration Screw terminals 1 NO + 1 NC auxiliary contacts

Product description

The Siemens 3RT2028-1AK60 is a 3-pole power contactor designed for AC-3e/AC-3 applications, handling 38A and 18.5kW at 400V. This size S0 contactor is notable for its dual voltage coil, operating at 110V AC (50 Hz) and 120V AC (60 Hz), offering flexibility in different power systems. It features screw terminals for secure installation and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.

This contactor is well-suited for motor control and power switching in North American and international industrial settings due to its dual voltage coil. Common applications include HVAC systems, pump controls, and general industrial machinery where reliable 38A switching is required.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, provides the Siemens 3RT2028-1AK60. Benefit from our competitive pricing and commitment to fast shipping to keep your projects moving forward.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	38A, 18.5kW @ 400V
Poles	3
Coil Voltage	110V AC (50 Hz) / 120V AC (60 Hz)
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw
Size	S0

Common applications

Motor Control

HVAC Systems

Pump Control

Industrial Machinery

International Applications

Compatible systems

Suitable for use with Siemens SIRIUS motor starters, overload relays, and control systems compatible with S0 size components.

Also known as

Siemens 3RT2028 Contactor SIRIUS 3RT2028 3RT2028-1A 110/120V Contactor

Replaces / compatible with

This contactor is a direct replacement for Siemens 3RT2028 models with 110V/120V AC dual voltage coils. It is compatible with standard Siemens SIRIUS accessories.

Technical note

Expert tip

When using this contactor in a 120V AC system, ensure the power source frequency is 60 Hz for optimal performance.

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Frequently asked questions

What is the coil voltage range for the Siemens 3RT2028-1AK60 contactor?

The Siemens 3RT2028-1AK60 is designed with a dual voltage coil that operates at 110V AC for 50 Hz systems and 120V AC for 60 Hz systems, offering broad compatibility.