Siemens 3RT2028-1AB04 SIRIUS 3RT2 Power Contactor 38A, 18.5 kW, 24V AC, 3-Pole, Size S0 Original Brand New

Product Overview

The Siemens 3RT2028-1AB04 is a high-performance SIRIUS 3RT2 power contactor designed for reliable switching of motors and other industrial loads up to 18.5 kW at $400\text{V}$. Part of the modular SIRIUS system, this 3-pole contactor is rated for 38 A (AC-3e/AC-3) and features a 24 V AC, 50 Hz coil for control circuit operation.

It comes pre-fitted with a versatile 2 NO + 2 NC removable auxiliary switch block and uses secure screw terminals for all connections, ensuring a reliable and simple installation. Its compact Size S0 makes it ideal for space-saving installations in control panels.

Benefits & Key Features

• High Performance: Capable of switching motors up to 38 A and $18.5\text{ kW}$, suitable for demanding industrial applications.
• Integrated Auxiliary Contacts: Comes with a factory-fitted $2\text{ NO}+2\text{ NC}$ auxiliary switch block, saving time and ensuring proper configuration.
• Removable Auxiliary Switch: Provides flexibility for maintenance and potential system upgrades.
• Reliable Operation: Utilizes robust screw terminals for secure and long-lasting electrical connections.
• Global Standard: A genuine Siemens SIRIUS product (3RT2 series), conforming to IEC 60947 standards.
• Energy Efficiency: Optimized for reduced power loss in the control circuit.
• Compact Design: Size S0 form factor is perfect for efficient panel layout and space minimization.
• Wide Operating Temperature: Designed to operate reliably in temperatures from −25∘C to +60∘C.

Function

Application

• Switching, starting, and controlling 3-phase AC motors (direct-on-line starting).
• Controlling resistive loads.
• Integration into control panels for industrial machinery, HVAC systems, pumps, and conveyors.
• Use in load feeders and motor starter assemblies, including reversing and star-delta starters.

For more industrial automation and control products, including the full SIRIUS range, visit turll today!