Siemens 3RT2028-2AC20 Power Contactor 38 A, 18.5 kW, 3-Pole, 24 V AC, Size S0 Original Brand New

Overview

The Siemens 3RT2028-2AC20 is a high-performance power contactor designed for reliable motor switching and industrial automation applications. Engineered with Siemens’ trusted technology, this 3-pole contactor delivers excellent durability, efficient operation, and secure connectivity for AC-3e/AC-3 duty categories. With a rated current of 38 A and power rating of 18.5 kW at 400 V, it is ideal for controlling motors and electrical loads in demanding environments.

Equipped with 1 NO + 1 NC auxiliary contacts, spring-loaded terminals, and a 24 V AC coil (50/60 Hz), this compact size S0 contactor ensures quick installation, high electrical endurance, and dependable switching performance.

Benefit

• High Switching Reliability: Designed for AC-3e/AC-3 operations, ensuring stable control of motors and inductive loads.

• Compact & Space-Saving: Size S0 format enables convenient integration in tight control cabinets.

• Fast & Secure Wiring: Spring-loaded terminals reduce installation time and ensure vibration-proof connections.

• Long Service Life: Engineered by Siemens for high electrical and mechanical durability.

• Energy-Efficient Control: Operates on 24 V AC, 50/60 Hz coil voltage for consistent performance.

Features & Functions

• Duty Type: AC-3e / AC-3

• Rated Operating Current: 38 A

• Power Rating: 18.5 kW at 400 V

• Poles: 3-pole configuration

• Coil Voltage: 24 V AC (50/60 Hz)

• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Terminal Type: Spring-loaded terminals

• Size: S0 (compact industrial size)

• Application Areas: Motor control, electrical distribution, automation panels, industrial machinery

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