Siemens 3RT2025-2DB44-3MA0 SIRIUS Power Contactor, 17A, 7.5kW, 24V DC, with 2 NO + 2 NC Aux Contacts, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2025-2DB44-3MA0 is a high-performance SIRIUS power contactor designed for reliable switching of motors and other electrical loads. This compact and robust Size S0 contactor is built to meet the demanding requirements of industrial applications. It features a 24V DC operating coil with an integrated varistor for surge suppression, ensuring long-term durability and protection of connected components.

With its versatile 3-pole design and a rated current of 17A (AC-3e/AC-3), it is an ideal choice for controlling loads up to 7.5 kW at 400 V. The integrated 2 NO + 2 NC auxiliary contacts provide flexible control and signaling options, while the innovative spring-loaded terminals enable fast, secure, and vibration-proof wiring.

Key Benefit

• Reliable and Efficient Operation: Engineered for high performance and longevity, the 3RT2025-2DB44-3MA0 ensures dependable switching of electrical loads, minimizing downtime and maintenance costs.
• Space-Saving Design: The compact Size S0 form factor allows for efficient use of panel space, making it suitable for installations with limited room.
• Enhanced Circuit Protection: The built-in varistor provides superior protection against voltage spikes and surges, safeguarding the coil and prolonging the lifespan of the contactor.
• Flexible Control and Monitoring: The inclusion of 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts offers versatile options for interlocking, signaling, and system control.
• Fast and Secure Wiring: Spring-loaded terminals eliminate the need for screw tightening, providing a maintenance-free, gas-tight connection that is highly resistant to vibration, saving time during installation.
• Easy Integration: Part of the comprehensive Siemens SIRIUS modular system, this contactor seamlessly integrates with other SIRIUS components, simplifying panel design and reducing engineering effort.

Technical Specification

• Product Type: Power Contactor
• Product Series: Siemens SIRIUS 3RT20
• Rated Operational Current (AC-3e/AC-3): 17 A
• Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
• Poles: 3-pole
• Operating Coil Voltage: 24 V DC
• Auxiliary Contacts: 2 NO + 2 NC (Captive)
• Terminal Type: Spring-Loaded Terminals
• Size: S0
• Special Features: Plugged-in varistor for surge suppression, captive auxiliary switch
• Application: Suitable for switching of motors, heating, lighting, and other resistive or inductive loads.

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