Siemens 3RT2325-1AB00 SIRIUS Contactor AC-1, 35A, 4-Pole, 24V AC Coil, 1NO+1NC Aux, S0 Size Original Brand New

Overview

The Siemens 3RT2325-1AB00 is a high-performance SIRIUS contactor designed for reliable switching of non-inductive or low-inductive loads (AC-1). This 4-pole contactor is rated for 35A at 400V (at 40°C) and features a 24V AC, 50Hz control voltage. It is equipped with one normally open (NO) and one normally closed (NC) auxiliary contact, providing essential feedback and interlocking capabilities. The device utilizes robust screw terminals for secure and straightforward wiring. Its compact S0 size makes it ideal for space-constrained applications, ensuring efficient panel design and installation.

Key Features & Benefits

• High Performance: Rated for AC-1 applications, capable of handling up to 35A at 400V, making it suitable for a wide range of switching tasks.
• Enhanced Control & Monitoring: The integrated 1 NO + 1 NC auxiliary contacts offer flexibility for control circuits, status indication, and safety interlocking.
• Robust & Secure Connections: The reliable screw terminals ensure a strong, vibration-resistant connection for both main and auxiliary circuits.
• Compact Design: With its S0 size, this contactor is engineered for efficient use of space, simplifying panel layouts and reducing overall footprint.
• Durable & Reliable: Built to IEC standards (IEC 60947-1, IEC 60947-4-1, etc.), guaranteeing long-term performance and safety in industrial environments.
• Versatile Application: Ideal for four-pole switching of resistive loads, separating loads from power grids, and transfer switching applications.
• Comprehensive Protection: Can be easily integrated with Siemens 3RU2 thermal or 3RB3 electronic overload relays for enhanced motor and load protection.
• Wide-Range Accessory Support: Compatible with a full range of SIRIUS accessories, including surge suppressors, auxiliary switches, and bus connectors for flexible customization.

Functions

• Four-pole Switching (AC-1): The primary function is to make and break circuits for resistive or non-inductive loads.
• Load Isolation: Acts as a reliable disconnecting device to isolate equipment or power generation plants from the grid.
• Control Integration: The auxiliary contacts facilitate the integration of the contactor into complex control systems, providing feedback on its state (open/closed).
• Safety Interlocking: The NC contact can be used for interlocking, preventing two contactors from being energized simultaneously to protect equipment and personnel.

Technical Specifications

• Product Number: 3RT2325-1AB00
• Type: Contactor, AC-1
• Poles: 4
• Rated Current: 35 A (at 400 V / 40 °C)
• Control Voltage: 24 V AC, 50 Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Terminal Type: Screw Terminal
• Size: S0
• Standards: IEC 60947-1, IEC 60947-4-1, IEC 60947-5-1
• Mounting: Can be used with 3RU2 thermal or 3RB3 electronic overload relays for motor protection.
• Accessories: Supports a variety of surge suppressors (RC elements, varistors, diodes) and additional auxiliary switches.

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