Siemens SIRIUS 3RT2025-1BP40 Power Contactor 17A, 7.5kW, 230V DC Coil, Size S0 Original Brand New

Overview: Reliable SIRIUS Power Contactor

The Siemens 3RT2025-1BP40 is a high-performance power contactor from the SIRIUS modular system, meticulously engineered for switching motors and other resistive loads up to 7.5 kW at $400\text{ V}$. This robust 3-pole device is rated for an operational current of 17 A (AC-3e/AC-3) and features a reliable 230 V DC control voltage, making it ideal for systems requiring a DC control circuit. Its compact Size S0 design ensures efficient use of panel space.

Benefit

• High Reliability: Part of the proven Siemens SIRIUS line, guaranteeing a long electrical and mechanical lifespan.
• Space-Saving Design: The Size S0 form factor minimizes the required footprint in control cabinets.
• Versatile Use: Suitable for both standard switching of motors (AC-3) and general loads (AC-1), as well as high-efficiency switching (AC-3e).
• Direct DC Control: Operates with a common 230 V DC control voltage, simplifying wiring in DC control applications.
• Integrated Auxiliary Contacts: Comes standard with 1 NO (Normally Open) and 1 NC (Normally Closed) contacts for feedback and interlocking, reducing the need for additional components.

Function and Application

The Siemens 3RT2025-1BP40 is primarily used in industrial applications for reliably switching motors, heating elements, lighting systems, and other loads. Its robust design is essential for starting, stopping, and reversing motor applications in machinery, conveyors, pump systems, and HVAC equipment where a compact, high-performance contactor with a 230V DC coil is specified. The screw terminals provide a secure and simple wiring connection for both main and control circuits.

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