Siemens 3RT2015-1MB41-0KT0 SIRIUS Power Contactor, 7A, 3kW, 24V DC Coil, 3-Pole, Size S00, Screw Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2015-1MB41-0KT0 power contactor is a high-performance, compact switching device from the trusted SIRIUS modular system, specifically engineered for switching motors up to 3 kW / 400 V (AC-3e/AC-3). Its Size S00 frame makes it an excellent choice for panel builders and machine manufacturers where space efficiency is critical.

Featuring a 24 V DC coil with an extended operating range and reliable screw terminals for the main circuit, this 3-pole contactor is designed for fast, secure, and permanent installation in industrial control applications. It also includes one integrated normally open (1 NO) auxiliary contact for signaling and control circuits.

Key Product Specification

• Product Number: 3RT2015-1MB41-0KT0
• Series: SIRIUS 3RT2 (SIRIUS Modular System)
• Contactor Type: Power Contactor for Motor Switching
• Frame Size: S00
• Rated Operating Current (Ie​) (AC-3e/AC-3): 7 A at 400 V
• Rated Operating Power ($\text{P}$) (AC-3e/AC-3): 3 kW at 400 V
• Number of Poles: 3-pole
• Control Supply Voltage (Us​): 24 V DC
• Coil Operating Range: 0.85−1.85×Us​
• Auxiliary Contacts: 1 NO (Integrated)
• Termination Type: Screw Terminal (Main and Auxiliary Circuits)
• Expansion: Not expandable with additional auxiliary switch block.
• Compliance: IE3/IE4-ready, IEC and UL/CSA approved.
• Manufacturer: Siemens

Benefit

1. High Reliability: Part of the proven SIRIUS modular system, ensuring high contact reliability and a long mechanical/electrical service life.
2. Space-Saving Design: Extremely compact Size S00 frame allows for high-density control panel construction.
3. Flexible DC Control: Features a wide-range 24V DC coil (0.85−1.85×Us​) for stable operation across various conditions.
4. Global Use & Future-Proof: Approved for worldwide applications (IEC, UL/CSA) and ready for high-efficiency IE3/IE4 motors.
5. Secure Wiring: Robust screw terminals ensure a strong, vibration-proof connection for both power and control circuits.
6. Integrated Feedback: Built-in 1 NO auxiliary contact reduces complexity and wiring time for signaling to a PLC or control system.

Function / Application

The Siemens 3RT2015-1MB41-0KT0 functions primarily as an electromechanical switch for remote control of electrical loads, particularly 3-phase AC motors. It is ideal for use in:

• Standard Motor Feeders
• Pumps, Fans, and Conveyor Systems
• Heating and Lighting Circuits
• Control Panels and Cabinets in Industrial Automation
• Applications requiring coupling to a PLC or electronic control due to its precise DC coil.

For more of our high-quality industrial automation products, including the complete SIRIUS 3RT2 range, visit turll today!