Siemens 3RT2025-1BW40 SIRIUS Power Contactor, 17A, 7.5 kW, 48V DC Coil, Size S0 Original Brand New

Product Overview

The Siemens 3RT2025-1BW40 is a high-performance SIRIUS 3RT2 power contactor designed for reliable and efficient motor control in industrial applications. This robust device features a 3-pole configuration with a rated operational current of 17 A for AC-3e/AC-3 applications, handling a motor power of up to 7.5 kW at 400 V. The integrated 48 V DC operating coil ensures precise and energy-efficient switching.

With a compact Size S0 form factor, it is ideal for space-constrained installations. The contactor comes equipped with one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, providing versatile control and feedback options. Installation is simplified with secure screw terminals, ensuring a stable and durable connection.

Key Features & Technical Specification

• Product Name: Siemens SIRIUS 3RT2 Power Contactor
• Product Number: 3RT2025-1BW40
• Number of Poles: 3-pole
• Rated Operational Current (Ie): 17 A (for AC-3e/AC-3)
• Rated Motor Power: 7.5 kW at 400 V
• Operating Coil Voltage: 48 V DC
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Terminal Type: Screw Terminal
• Size: S0
• Switching Type: AC-3e/AC-3
• Application: Motor switching and control
• Mounting: Standard DIN rail or screw fixing

Benefit

• High Performance: Built with Siemens’ renowned quality, ensuring reliable operation and a long service life even under demanding industrial conditions.
• Energy Efficiency: The 48 V DC operating coil significantly reduces power consumption compared to AC coils, leading to lower operating costs and less heat generation.
• Versatile Control: The integrated 1 NO and 1 NC auxiliary contacts provide flexibility for interlocking, signaling, and control circuit feedback, eliminating the need for separate auxiliary blocks in many cases.
• Easy Installation: Features easy-to-use screw terminals for quick and secure wiring. The compact S0 size saves valuable panel space.
• Safety & Compliance: Engineered to meet international standards for industrial control gear, ensuring safe and compliant operation.

Function

• Motor Switching: Efficiently controls the ON/OFF state of motors with a rated power of up to 7.5 kW.
• Load Control: Can be used to switch other resistive or inductive loads within its current and power ratings.
• Integrated Feedback: The auxiliary contacts provide real-time status of the main contacts, allowing for complex control logic and safety interlocking.

Application

The Siemens 3RT2025-1BW40 is an ideal component for a wide range of industrial applications, including:

• Machine tools
• Conveying systems
• Pumps and compressors
• HVAC systems
• Packaging machinery
• Industrial automation and control panels

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