Siemens 3RT7027-1AN25 Contactor 32A, 15kW, 220V AC, Size S0 Original Brand New

Overview

The Siemens 3RT7027-1AN25 is a high-performance contactor from the renowned SIRIUS series, designed for reliable switching of electrical loads. This robust AC-3 contactor is engineered for demanding applications, capable of handling a rated operational current of 32A and a power output of 15kW at 400V. It features a compact and space-saving design (Size S0) and comes equipped with a dependable 220V AC control voltage. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide versatile control and signaling options. With its user-friendly screw terminals, the 3RT7027-1AN25 ensures a secure and straightforward electrical connection, making it an ideal choice for a wide range of industrial and commercial motor control applications.

Key Features & Benefit

• High Switching Capacity: Rated for AC-3 applications up to 32A and 15kW, perfect for controlling motors and other resistive loads.
• Energy-Efficient Operation: The advanced design minimizes power consumption, leading to lower operating costs.
• Compact Size S0: Space-saving design allows for efficient use of panel space, simplifying installation and reducing enclosure size requirements.
• Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contacts provide flexibility for interlocking, signaling, and control circuits without the need for additional modules.
• Reliable Performance: Part of the trusted Siemens SIRIUS family, guaranteeing long-term durability and operational reliability.
• Secure Screw Terminals: Provides a robust and reliable connection, ensuring safety and minimizing maintenance.
• Wide Compatibility: Suitable for a broad range of industrial applications including HVAC systems, pumping stations, conveyor belts, and general motor control.

Technical Specification

• Product Number: 3RT7027-1AN25
• Type: Contactor, AC-3
• Rated Operational Current (Ie): 32A
• Rated Operational Power (Pe): 15kW at 400V
• Control Supply Voltage (Us): 220V AC, 50/60Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Size: S0
• Connection Type: Screw Terminal
• Mounting: DIN rail mountable
• Series: Siemens SIRIUS 3RT

Function

The Siemens 3RT7027-1AN25 functions as an electrically operated switch. When the 220V AC control voltage is applied to the coil, it creates an electromagnetic field that pulls the main contacts together, allowing power to flow to the connected load (e.g., an electric motor). Simultaneously, the auxiliary contacts change state: the NO contact closes and the NC contact opens. This allows for feedback and control in a more complex circuit, for example, illuminating an indicator light when the motor is running or creating an interlock to prevent another device from starting.

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