3RT2027-2AL20

Description

Overview

The Siemens 3RT2027-2AL20 is a high-performance power contactor designed for reliable motor control and switching in industrial applications. Engineered for durability and precision, this 3-pole contactor supports AC-3e/AC-3 operation up to 32 A and 15 kW at 400 V, making it ideal for a wide range of machinery and automation environments. With a 230 V AC coil (50/60 Hz) and spring-loaded terminals, installation is quick, secure, and maintenance-free. The unit also includes 1 NO + 1 NC auxiliary contacts, ensuring enhanced control flexibility.

Key Features & Benefit

High Switching Capacity

Supports 32 A and 15 kW at 400 V, suitable for demanding industrial motor control applications.

Reliable AC-3e/AC-3 Performance

Optimized for frequent switching of squirrel-cage motors and high-load operations.

Integrated Auxiliary Contacts

Comes with 1 NO + 1 NC, providing additional control options and system flexibility.

Quick & Safe Installation

Spring-loaded terminals ensure vibration-resistant, tool-friendly wiring that reduces installation time.

Compact S0 Size

Space-saving design fits easily into modern control cabinets without compromising performance.

Siemens Quality & Durability

Built to meet the highest industrial standards for long-term operation and reduced downtime.

Function

• Motor switching and control for industrial machinery

• Suitable for conveyor systems, pumps, compressors, and automated production equipment

• Integrates seamlessly into Siemens control panels and automation systems

• Provides auxiliary signaling and interlocking through NO/NC contacts

Technical Specification

• Product Type: Power Contactor

• Model: Siemens 3RT2027-2AL20

• Operational Category: AC-3e / AC-3

• Rated Operational Current: 32 A

• Rated Motor Power: 15 kW (at 400 V)

• Poles: 3-pole

• Coil Voltage: 230 V AC, 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Spring-loaded terminal

• Size: S0

Application

• Motor control and starting (direct-on-line starters)

• Switching resistive loads

• Pump, fan, and compressor control systems

• Heating, ventilation, and air conditioning (HVAC) systems

• General power switching applications in industrial automation

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