Siemens 3RT2025-1BM40 SIRIUS Power Contactor, 17A, 7.5 kW, 220V DC Coil, 1NO+1NC Aux, Size S0 Original Brand New

Overview

The Siemens 3RT2025-1BM40 is a high-performance SIRIUS power contactor designed for reliable switching of motors and other industrial loads up to 17A. This 3-pole contactor is engineered for demanding applications, conforming to both AC-3e and AC-3 categories, and is rated for a power output of up to 7.5 kW at 400 V. The compact Size S0 design saves valuable panel space while offering robust performance. A standout feature is its 220 V DC control coil, which ensures reliable operation in DC-powered systems. The integrated auxiliary contacts (1 Normally Open and 1 Normally Closed) provide flexible control and feedback options, while the secure screw terminals ensure a quick and durable connection.

Key Features & Benefit

• High Performance: Rated for 17A and 7.5 kW at 400V, ideal for motor control and switching applications.
• Energy Efficient: The 220 V DC coil consumes less power, reducing energy costs and heat generation.
• Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC contacts simplify wiring and provide instant feedback on the contactor’s status.
• Space-Saving Design: Its compact Size S0 form factor is perfect for installations with limited space in control cabinets and panels.
• Robust & Reliable: As part of the Siemens SIRIUS family, this contactor is built for long-term durability and high operational reliability.
• Easy & Secure Connection: The screw terminals ensure a strong, reliable, and straightforward electrical connection.
• Compliance: Conforms to both AC-3e and AC-3 standards, meeting global industrial requirements for switching motors.

Function

The Siemens 3RT2025-1BM40 serves as a crucial component in industrial automation and power control systems. Its primary functions include:

• Motor Switching: Safely and efficiently switching on and off electric motors.
• Load Control: Controlling various resistive, inductive, and capacitive loads.
• Remote Operation: Enabling the remote control of machinery and equipment.
• Safety & Protection: Acting as part of a protective circuit to isolate power to equipment in case of an emergency or fault.

Technical Specification

• Product Number: 3RT2025-1BM40
• Contactor Type: Power Contactor
• Number of Poles: 3-pole
• Rated Current (AC-3e/AC-3): 17 A
• Rated Power (AC-3e/AC-3): 7.5 kW @ 400 V
• Control Coil Voltage: 220 V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Connection Type: Screw Terminal
• Size: S0
• Manufacturer Series: SIRIUS
• Manufacturer: Siemens

Application

• Motor control centers (MCC)
• HVAC systems
• Pumps and compressors
• Conveyor systems
• Industrial machinery
• Building automation

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