Overview
The Siemens 3RT2025-2BM40 is a high-performance SIRIUS power contactor designed for reliable and efficient switching of AC-3e/AC-3 loads. Part of the trusted Siemens SIRIUS 3RT2 series, this contactor is engineered for industrial control applications, offering a robust and compact solution for motors up to 7.5 kW at 400 V. Its innovative spring-loaded terminal technology ensures fast, secure, and vibration-resistant wiring, making it ideal for high-demand environments. This model features a 220 V DC coil and includes one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, providing versatile control and feedback options.
Key Features & Benefit
- High Performance: Rated for AC-3e/AC-3 applications, this contactor handles currents up to 17 A and motors up to 7.5 kW at 400 V, ensuring reliable operation under heavy loads.
- Space-Saving Design: The compact S0 size saves valuable space within control cabinets, allowing for more efficient panel layouts.
- Reliable DC Operation: The 220 V DC coil provides stable and consistent performance, reducing the risk of chattering and ensuring a long service life.
- Fast & Secure Wiring: The innovative spring-loaded terminals eliminate the need for traditional screw-down wiring, saving installation time and providing a secure, maintenance-free connection that is resistant to vibration.
- Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contacts offer flexibility for control circuits, signaling, and interlocking, simplifying your system design.
- Global Recognition: As a Siemens SIRIUS product, the 3RT2025-2BM40 is recognized for its quality, durability, and compliance with international standards.
Function
- Motor Control: Ideal for switching 3-phase AC motors, pumps, and fans in industrial machinery.
- Load Switching: Suitable for switching various resistive and inductive loads.
- Remote Control: Allows for the remote ON/OFF control of electrical circuits.
- Interlocking and Safety: The auxiliary contacts are used for interlock circuits, status signaling, and safety functions within a control system.
Technical Specification
- Product Type: Power Contactor
- Series: Siemens SIRIUS 3RT2
- Product Number: 3RT2025-2BM40
- Rated Operational Current (AC-3e/AC-3): 17 A
- Rated Power (AC-3): 7.5 kW at 400 V
- Number of Poles: 3
- Coil Voltage: 220 V DC
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Terminal Type: Spring-loaded terminal
- Size: S0
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