Siemens SIRIUS 3RT2027-2AB04 Power Contactor AC-3e/AC-3, 32A, 15kW, 24V AC, Spring-Loaded Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2027-2AB04 is a high-performance 3-pole power contactor engineered for reliable motor switching in industrial applications. Part of the SIRIUS modular system, this contactor offers exceptional functionality and durability, making it an ideal choice for a wide range of control and automation tasks. Its compact S0 size and innovative spring-loaded terminals simplify installation and maintenance, ensuring a secure and vibration-resistant connection without the need for tools.

Key Features & Specification

• Product Number: 3RT2027-2AB04
• Type: Power Contactor, AC-3e/AC-3
• Rated Current: 32 A
• Rated Power: 15 kW at 400 V
• Number of Poles: 3-pole
• Control Voltage: 24 V AC, 50 Hz
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Terminal Type: Spring-loaded terminals for fast, secure wiring
• Size: S0 (compact and space-saving)
• Special Feature: Removable auxiliary switch block for easy configuration and replacement

Benefit

• Enhanced Reliability: Designed for AC-3 and AC-3e switching, ensuring long-term performance and durability in demanding motor control circuits.
• Effortless Installation: Spring-loaded terminals eliminate the need for crimping tools, speeding up wiring and providing a consistently reliable connection that is resistant to vibration.
• Space-Saving Design: The compact S0 size allows for efficient panel layout and integration into smaller control cabinets.
• Flexible and Adaptable: The removable auxiliary switch block provides greater flexibility, allowing you to easily add or change control signals as your application requires.
• Part of a Complete System: As a component of the Siemens SIRIUS modular system, it integrates seamlessly with other SIRIUS products like circuit breakers and overload relays, simplifying system design and maintenance.

Function

The Siemens 3RT2027-2AB04 power contactor is used to switch electrical power on and off to a motor or other electrical load. It is controlled by a 24V AC signal, which energizes the coil to close the main contacts, allowing power to flow to the connected equipment. The integrated auxiliary contacts provide critical feedback and control signals to a PLC, relay, or other control system, indicating the status of the main contacts (open or closed). This makes it essential for creating safe and automated control circuits.

Application

• Motor control for pumps, fans, and compressors
• Heating, Ventilation, and Air Conditioning (HVAC) systems
• Conveyor systems and material handling
• Machine tools and general industrial machinery
• Building automation and control panels

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