Siemens 3RT2015-1BF41 SIRIUS Power Contactor, 7A, 3kW, 110V DC Coil, 3-Pole, Size S00 Original Brand New

Overview

The Siemens 3RT2015-1BF41 is a high-performance 3-pole power contactor from the SIRIUS 3RT20 series, engineered for reliable switching of electric motors. Designed for demanding industrial environments, this compact Size S00 contactor handles up to 7 A (AC-3e/AC-3) and a 3 kW motor rating at $400\text{ V}$.

Its robust design features a 110 V DC operating coil and a permanently integrated 1 NO auxiliary contact, all secured with reliable screw terminals. As part of the SIRIUS modular system, the 3RT2015-1BF41 is IE3/IE4 ready and offers a long mechanical service life, making it an ideal choice for machinery, plant construction, and control systems.

Key Technical Specification

• Product Type: Power Contactor for Motor Switching
• Siemens MLFB: 3RT2015-1BF41
• Contactor Series: SIRIUS 3RT20
• Contactor Size: S00
• Poles: 3-pole
• Rated Operational Current (Ie): 7 A (at $400\text{ V}$, AC-3e/AC-3)
• Operational Power (Pe): 3 kW (at $400\text{ V}$, AC-3e/AC-3)
• Control Supply Voltage (Us): $110\text{ V DC}$
• Auxiliary Contacts: 1 NO (Normally Open)
• Connection Type: Screw Terminals
• Mounting: Screw and snap-on mounting onto $35\text{ mm}$ DIN rail

Function

The Siemens 3RT2015-1BF41 Contactor is primarily used for switching three-phase asynchronous motors and other resistive loads. The $110\text{ V DC}$ coil ensures precise and consistent operation in DC-controlled systems, offering a wide operating range and high switching reliability. The integrated $1\text{ NO}$ auxiliary contact provides essential feedback for control systems or interlocking circuits without the need for additional, bulky components.

Application

• Motor control for pumps, fans, and compressors.
• Starting and stopping machinery.
• Switching resistive loads (e.g., heating systems).
• Integration into automated control panels and switchgear.

Benefits and Features

• Compact & Space-Saving: Size S00 design allows for high-density installation in control cabinets.
• High Reliability: Part of the globally proven SIRIUS modular system, ensuring robust, long-lasting performance.
• DC Control Versatility: $110\text{ V DC}$ coil voltage is common in many industrial control architectures.
• Easy Wiring: Secure and robust main and auxiliary circuit connections via screw terminals.
• Integrated Auxiliary Contact: The built-in $1\text{ NO}$ contact simplifies wiring and reduces installation time.
• Future-Proof: IE3/IE4 ready for use with modern, high-efficiency motors.

For more information on the Siemens 3RT2015-1BF41 or to explore our complete range of industrial control products, visit turll today!