Siemens 3RT2025-1BF40 SIRIUS Power Contactor Size S0, 17A, 7.5kW, 110V DC Coil Original Brand New

Overview

The Siemens 3RT2025-1BF40 is a high-performance SIRIUS series power contactor designed for reliable and efficient switching of three-phase loads. With a compact Size S0 frame, this contactor is ideal for applications requiring robust performance in limited space. It features a rated operational current of 17 A (AC-3e/AC-3) and a power rating of 7.5 kW at 400 V.

The integrated 110 V DC coil ensures reliable operation, while the included 1 NO + 1 NC auxiliary contacts provide flexibility for control and signaling circuits. The secure screw terminals make installation and wiring straightforward.

Key Features & Benefit

• Robust Performance: Rated for demanding AC-3e/AC-3 applications with a 17 A current rating and 7.5 kW power at 400 V, ensuring long-term reliability.
• Compact Design: The Size S0 frame allows for space-saving installation in control cabinets and panels.
• Integrated Auxiliary Contacts: The built-in 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts simplify wiring for control and feedback loops, reducing the need for separate components.
• Versatile Coil Voltage: The 110 V DC coil is suitable for a wide range of DC control systems.
• Reliable Connections: Secure screw terminals provide a strong and vibration-resistant connection, ensuring safe and consistent operation.
• SIRIUS Family Compatibility: Part of the comprehensive Siemens SIRIUS modular system, ensuring seamless integration with other Siemens control products like overload relays and circuit breakers.

Function

• Motor Switching: Effectively switches 3-phase AC motors in industrial applications.
• Resistive Load Switching: Suitable for controlling heating elements and other resistive loads.
• Control and Automation: The auxiliary contacts enable use in complex control circuits, interlocking, and status indication.
• Load Isolation: Provides a safe and reliable method to isolate power to equipment for maintenance and repair.

Technical Specification

• Product Number: 3RT2025-1BF40
• Series: Siemens SIRIUS 3RT2
• Rated Operational Current (AC-3e/AC-3): 17 A
• Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
• Rated Insulation Voltage: 690 V
• Number of Poles: 3
• Coil Voltage: 110 V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Connection Type: Screw Terminal
• Size: S0
• Mounting: DIN rail or screw mounting
• Environmental Ratings: IP20

Application

• Industrial automation and control systems
• Motor control centers (MCCs)
• Pump and fan control
• HVAC systems
• Machinery and equipment control

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