Siemens 3RT7027-1AB00 Contactor 32A, 15kW, 24V AC Coil, Screw Terminal, SIRIUS Original Brand New

Overview

The Siemens 3RT7027-1AB00 is a high-performance SIRIUS series contactor designed for the switching of motors and resistive loads. Part of the renowned Siemens SIRIUS modular system, this size S0 contactor is engineered for reliability, durability, and space-saving integration into control panels. It is specified for an AC-3 utilization category with a current rating of 32A and a power rating of 15kW at 400V. Featuring a 24V AC 50Hz control coil and secure screw terminals, the 3RT7027-1AB00 provides a robust and dependable solution for a wide range of industrial applications.

Key Features & Benefit

• High Switching Capacity: Rated for 32A at 400V (AC-3), making it suitable for motor control up to 15kW.
• Reliable Performance: Siemens SIRIUS products are known for their long service life and high operational reliability, minimizing downtime.
• Space-Saving Design: The compact S0 size allows for efficient use of cabinet space, crucial in modern, high-density industrial setups.
• Versatile Application: Ideal for switching standard three-phase motors, heating elements, and other inductive or resistive loads.
• Easy & Secure Connection: Robust screw terminals ensure a secure and durable electrical connection, simplifying installation and maintenance.
• Globally Recognized Standard: Part of the Siemens SIRIUS modular system, ensuring compatibility with a wide range of accessories and other Siemens control components.
• Efficient Control: The 24V AC 50Hz coil provides a standard and reliable method for remote control of the contactor’s switching action.

Technical Specification

• Product Number: 3RT7027-1AB00
• Type: Contactor, AC-3
• Brand: Siemens SIRIUS
• Rated Operational Current (AC-3): 32 A
• Rated Operational Power (AC-3): 15 kW (at 400V)
• Control Supply Voltage: 24 V AC, 50 Hz
• Size: S0
• Terminal Type: Screw Terminal
• Utilization Category: AC-3 (Motor Switching)
• Standards: IEC, DIN EN
• Manufacturer Part Number: 3RT70271AB00

Function

The Siemens 3RT7027-1AB00 contactor serves as an electrically operated switch, primarily used for remotely controlling a power circuit. When a 24V AC signal is applied to the coil, it generates an electromagnetic force that closes the main contacts, allowing high-current power to flow to a connected load, such as a motor. This function is essential for automated systems, safety circuits, and general-purpose industrial control, enabling operators to start and stop machinery from a distance or through an automated process.

Application

• Industrial motor control systems
• Pump control panels
• HVAC systems
• Conveyor systems
• Heating and lighting circuits
• Automated machinery and process control

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