Siemens 3RT2028-2BM40 Power Contactor 38A, 18.5 kW, 3-Pole, 220V DC Coil, S0 Size Original Brand New

Overview

The Siemens 3RT2028-2BM40 is a high-performance SIRIUS power contactor engineered for reliable switching of motors and industrial loads. Designed for demanding AC-3e/AC-3 applications, this contactor delivers 38 A operational current and 18.5 kW motor rating at 400 V. With a compact S0 frame and advanced spring-loaded terminal technology, it ensures fast installation, solid wiring, and exceptional operational life.

Equipped with 1 NO + 1 NC auxiliary contacts, and a 220 V DC coil, the 3RT2028-2BM40 is ideal for motor control panels, automation systems, and robust industrial environments requiring dependable and efficient switching performance.

Features & Function

High-Power Switching Capability

• Rated 38 A for AC-3e/AC-3 applications

• Supports 18.5 kW motor loads at 400 V

• Provides reliable performance in heavy-duty operations

3-Pole Power Contactor

• Suitable for three-phase motor systems

• Ensures stable and efficient switching cycles

220 V DC Coil Operation

• Efficient low-noise coil energy consumption

• Supports precise control in automation systems

Integrated Auxiliary Contacts (1NO + 1NC)

• Ideal for control circuit signaling

• Enhances system monitoring and safety

Spring-Loaded Terminals

• Faster, tool-assisted wiring

• Strong vibration-resistant connections

Compact Siemens SIRIUS S0 Size

• Space-saving design

• Compatible with Siemens control accessories and modular systems

Benefit

• Highly reliable: Designed for long operational life under high switching frequency.

• Easy installation: Spring-loaded terminals simplify wiring and reduce installation time.

• Industry-proven performance: Part of Siemens SIRIUS series, known for exceptional durability.

• Improved safety: Auxiliary contacts support advanced status indication and interlocking.

• Versatile applications: Suitable for industrial machinery, automation panels, HVAC, pumps, conveyors, and more.

Application

• Industrial automation systems

• Motor control centers (MCC)

• Conveyor and production lines

• Pump & compressor systems

• HVAC motors

• Machinery control panels

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