Siemens 3RT7027-1AF05 SIRIUS Contactor, 32A, 15kW, 400V, AC-3, Screw Terminal Original Brand New

Overview

The Siemens 3RT7027-1AF05 is a high-performance SIRIUS power contactor designed for reliable switching of electric motors. This model is part of the S0 frame size, offering a compact yet robust solution for industrial control applications. With an AC-3 rating of 32A and a power rating of 15kW at 400V, this contactor is engineered to handle demanding loads with exceptional efficiency. Its integrated 1NO (Normally Open) and 1NC (Normally Closed) auxiliary contacts provide enhanced control and monitoring capabilities, making it a versatile component in any electrical system. The screw terminals ensure a secure and straightforward connection, simplifying installation and maintenance.

Key Features & Benefit

• High Performance: Rated for AC-3 applications up to 32A and 15kW at 400V, ideal for motor control.
• Integrated Auxiliary Contacts: Includes 1NO and 1NC contacts for flexible signaling and interlocking.
• Compact Design: The S0 frame size saves valuable space in control cabinets without compromising performance.
• Reliable Operation: Designed for long-term durability and high switching frequency.
• Easy Installation: Features secure screw terminals for quick and dependable wiring.
• Versatile Coil Voltage: Operates on an AC 110V, 50Hz control supply voltage, suitable for various international standards.
• SIRIUS Family: Seamlessly integrates with other Siemens SIRIUS modular control system components.

Function

• Motor Switching: Efficiently controls the ON/OFF operation of 3-phase electric motors.
• Load Control: Suitable for switching various resistive and inductive loads.
• Safety Interlocking: The auxiliary contacts can be used for safety circuits and interlocking functions.
• Automation Integration: Serves as a critical component in automated control systems and motor starter configurations.

Technical Specification

• Product Number: 3RT7027-1AF05
• Product Type: Power Contactor, 3-pole
• Rated Operational Current (Ie): 32A (at AC-3, 400V)
• Rated Operational Power (Pe): 15kW (at AC-3, 400V)
• Control Supply Voltage: 110V AC, 50Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Frame Size: S0
• Terminal Type: Screw Terminal
• Manufacturer: Siemens
• Series: SIRIUS

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