Siemens 3RT2028-2AL24-3MA0 Power Contactor 38A, AC-3, 18.5 kW, 3-Pole, 230V AC, S0 Size Original Brand New

Overview

The Siemens 3RT2028-2AL24-3MA0 is a high-performance power contactor designed for reliable motor control applications in industrial environments. Engineered for durability and efficiency, this 3-pole contactor delivers 38 A AC-3, supports 18.5 kW at 400 V, and operates on a 230 V AC, 50/60 Hz control supply. Featuring spring-loaded terminals, 2 NO + 2 NC auxiliary contacts, and compact S0 size, it ensures fast installation, secure connections, and long lifecycle performance. Ideal for switching motors, automation systems, and control panels.

Benefit

• High switching performance for AC-3e/AC-3 applications

• Compact S0 size fits into tight control cabinet spaces

• Spring-loaded terminals for vibration-proof and time-saving wiring

• Enhanced safety with captive auxiliary switch design

• Reliable 230V AC coil ensuring stable operation in industrial environments

• Versatile auxiliary contacts (2 NO + 2 NC) for flexible control logic

Specification

• Model: Siemens 3RT2028-2AL24-3MA0

• Type: Power Contactor

• Rated Operational Current (AC-3/AC-3e): 38 A

• Power Rating: 18.5 kW at 400 V

• Poles: 3-pole

• Control Voltage: 230 V AC (50/60 Hz)

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Spring-loaded terminals

• Size: S0

• Surge Suppressor: Not retrofittable

Application

• Motor switching and control

• Pump and fan control systems

• Conveyor and machine automation

• Industrial panel building

• General-purpose power switching

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