Overview

The Siemens 3RT2025-1AU00 is a high-performance SIRIUS power contactor engineered for reliable switching of motors and other electrical loads. As part of the SIRIUS 3RT2 series, it is designed for demanding industrial applications, offering exceptional durability and a long service life. This specific model is a 3-pole contactor with a rated current of 17 A for AC-3e/AC-3 applications, suitable for motors up to 7.5 kW at 400 V.

It features a control supply voltage of 240 V AC at 50 Hz and includes a built-in auxiliary contact block with one normally open (1 NO) and one normally closed (1 NC) contact. The compact S0 size and convenient screw terminals make it easy to install and integrate into control panels and systems.

Key Benefit

• High Performance: Optimized for switching motors, offering a high operational current of 17A and a power rating of 7.5 kW, ensuring reliable performance in demanding environments.
• Space-Saving Design: The compact Size S0 form factor allows for efficient use of space within control cabinets, which is crucial for modern industrial setups.
• Reliable Operation: Built with Siemens’ renowned quality, the SIRIUS 3RT2 series guarantees a high mechanical and electrical service life, reducing maintenance and downtime.
• Versatile Auxiliary Contacts: The integrated 1 NO + 1 NC auxiliary contacts provide flexibility for signaling, interlocking, and other control circuit functions without the need for additional accessories.
• Easy Installation: Features robust screw terminals that ensure secure electrical connections and simplify the wiring process.

Technical Function

• Product Type: Power Contactor
• Model: 3RT2025-1AU00
• Series: SIRIUS 3RT2
• Poles: 3-pole
• Rated Operational Current (AC-3e/AC-3): 17 A
• Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
• Control Supply Voltage: 240 V AC, 50 Hz
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Connection Type: Screw Terminal
• Size: S0

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