Siemens 3RT2025-1BB44 Power Contactor 17A, 7.5 kW, 3-Pole, 24V DC, S0 Size, 2NO+2NC Original Brand New

Overview

The Siemens 3RT2025-1BB44 is a high-performance industrial power contactor designed for reliable motor control in demanding AC-3e/AC-3 applications. With a 17 A current rating and a motor output capacity of 7.5 kW at 400 V, this contactor offers robust performance, long service life, and high switching reliability. Its compact S0 size and removable auxiliary switch make installation, configuration, and maintenance efficient for both OEM and panel-building environments.

Key Features

• Rated Current: 17 A

• Motor Power: 7.5 kW at 400 V

• 3-Pole Power Contactor for universal motor switching

• Control Voltage: 24 V DC

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Screw terminals for secure wiring

• Design Size: S0

• Removable Auxiliary Switch for flexible configuration

• Suitable for AC-3 and AC-3e applications

Benefit

• Reliable Motor Switching: Engineered for consistent and safe switching of motors in industrial automation environments.

• Compact & Space-Saving Design: S0 size fits easily into modern control panels.

• Flexible Auxiliary Contacts: 2NO + 2NC contacts allow versatile use in control circuits.

• Easy Wiring & Installation: Screw terminals ensure secure, vibration-resistant cable connection.

• High Durability: Built to Siemens quality standards for long-term operation.

• Service-Friendly: Removable auxiliary switch simplifies maintenance and replacement.

Application

• Motor starters and control panels

• HVAC systems

• Pumps, fans, and compressors

• Conveyor systems

• Industrial automation & machine control

• Building management systems

Function

The Siemens 3RT2025-1BB44 contactor functions as a reliable switching device for controlling electric motors under AC-3/AC-3e duty. It facilitates frequent switching cycles, protects connected equipment, and integrates seamlessly into Siemens SIRIUS control systems to deliver precise and safe motor operations.

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