Siemens SIRIUS 3RT2025-1AP00-1AA0 Power Contactor, 17A, 7.5kW, 230V AC Coil, 3-Pole, Size S0 Original Brand New

Overview

The Siemens 3RT2025-1AP00-1AA0 is a highly efficient, compact, and robust SIRIUS 3RT2 power contactor designed for switching motors up to 7.5 kW at 400 V (AC-3e/AC-3 rating). As part of the SIRIUS modular system, this device ensures high contact reliability and simple integration into industrial control applications. It is a 3-pole contactor with a rated operational current of 17 A for AC-3 switching. The integrated auxiliary contacts of 1 NO + 1 NC simplify wiring and design complexity. Its standard screw terminals and compact Size S0 design make it a versatile choice for low-voltage industrial components.

Key Technical Specification

• Product Number: 3RT2025-1AP00-1AA0
• Manufacturer: Siemens
• Product Series: SIRIUS 3RT2
• Product Type: Power Contactor
• Operational Current (AC-3e/AC-3): 17 A
• Operational Power (AC-3e/AC-3): 7.5 kW at 400 V
• Number of Poles: 3-pole
• Control Supply Voltage (Coil Voltage): 230 V AC, 50 Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Terminal Type: Screw Terminal
• Size: S0
• Mounting Position: Upright mounting position

Function

The primary function of the Siemens 3RT2025-1AP00-1AA0 contactor is to safely and reliably switch electrical loads, particularly three-phase motors.

• Motor Switching: Controls the ON/OFF operation of motors in various applications (up to 7.5 kW).
• System Integration: Provides a crucial interface between the control system (230 V AC coil) and the main power circuit (up to 690 V, 17 A).
• Signaling: The integrated $1\text{NO}+1\text{NC}$ auxiliary contacts allow for feedback and status signaling to the automation level or interlocking circuits.

Benefit

1. Compact Design: The Size S0 form factor offers a space-saving solution within control panels and cabinets.
2. High Reliability: Part of the trusted SIRIUS modular system, offering excellent contact reliability and a long mechanical service life.
3. Worldwide Approval: Approved for use globally (e.g., IEC and UL/CSA), making it suitable for international machine building.
4. IE3/IE4 Ready: Optimized for use with modern, energy-efficient IE3/IE4 motors.
5. Easy Wiring: Features robust screw terminals for a secure and straightforward electrical connection.

Application

This contactor is a core component in various industrial control and automation environments, including:

• Standard motor starters and load feeders.
• Pumps, compressors, and fans.
• Conveyor systems and material handling equipment.
• Heating and lighting circuits.
• General power switching applications in industrial machinery.

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