Siemens 3RT2025-1FB48-0ME2 Power Contactor with Auxiliary Contacts 17A, 7.5kW, 24V DC Original Brand New

Overview

The Siemens 3RT2025-1FB48-0ME2 is a high-performance power contactor designed for reliable switching of motors and other industrial loads. This robust 3-pole contactor is rated for AC-3e/AC-3 operation, handling currents up to 17A and power up to 7.5kW at 400V. It features a low-power 24V DC control coil with a built-in diode combination for coil protection and enhanced reliability. The contactor is a compact Size S0 and is equipped with a versatile configuration of 3 NO (Normally Open) and 3 NC (Normally Closed) auxiliary contacts, provided by the integrated 3RH2911-1XA22-0MA0 auxiliary contact block. Its user-friendly screw terminals ensure a secure and straightforward electrical connection.

Key Benefit

• Optimized Performance: Rated for AC-3e/AC-3, ensuring efficient and reliable motor control for a wide range of applications.
• Enhanced Reliability: The integrated diode combination protects the control circuit from voltage spikes, extending the lifespan of the contactor and connected components.
• Versatile Control: The 24V DC coil is ideal for use in modern control systems and automation setups.
• Extensive Auxiliary Contacts: The 3 NO + 3 NC auxiliary contacts provide a high degree of flexibility for signaling, interlocking, and complex control circuits.
• Space-Saving Design: Its compact Size S0 form factor allows for efficient use of panel space in control cabinets.
• Secure and Easy Installation: The robust screw terminals offer a reliable and simple method for wiring.

Function

The Siemens 3RT2025-1FB48-0ME2 serves as an electromechanical switch in industrial control circuits. When the 24V DC control coil is energized, it closes the main power contacts, allowing current to flow to the connected load (e.g., an electric motor). Simultaneously, the auxiliary contacts change state, providing valuable feedback for the control system. This functionality is crucial for starting, stopping, and reversing motors, as well as for controlling other resistive and inductive loads in automated processes.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2025-1FB48-0ME2
• Main Poles: 3-pole
• Rated Operating Current (AC-3e/AC-3): 17 A
• Rated Operating Power (AC-3e/AC-3): 7.5 kW at 400 V
• Control Supply Voltage: 24 V DC
• Auxiliary Contacts: 3 NO + 3 NC (via 3RH2911-1XA22-0MA0)
• Terminal Type: Screw Terminal
• Size: S0
• Diode Combination: Plugged-in (for coil protection)
• Associated Component: 3RH2911-1XA22-0MA0

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